{"id":18362,"date":"2026-02-14T18:43:49","date_gmt":"2026-02-14T17:43:49","guid":{"rendered":"https:\/\/voltmax.lu\/?p=18362"},"modified":"2026-04-13T14:09:59","modified_gmt":"2026-04-13T12:09:59","slug":"warmepumpen-die-nachbarfreundlich-sind-gerausche-vibrationen-und-aufstellung","status":"publish","type":"post","link":"https:\/\/voltmax.lu\/de\/heat-pumps-that-are-neighbor-friendly-noise-vibrations-and-placement\/","title":{"rendered":"Nachbarfreundliche W\u00e4rmepumpen \u2013 Ger\u00e4usche, Vibrationen und Aufstellung"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"18362\" class=\"elementor elementor-18362\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4554317 e-flex e-con-boxed e-con e-parent\" data-id=\"4554317\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-284105c elementor-widget elementor-widget-text-editor\" data-id=\"284105c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A heat pump is a device that generally does not bother anyone\u2014it is not too loud, so it should not cause conflicts. However, in certain situations its placement and installation can be quite troublesome and negatively perceived by residents of nearby homes. It does not matter whether the device is branded and exceptionally high-quality\u2014if it stands in a corner between walls (here the sound strongly reflects and carries) or too close to the property boundary\u2014such a device can be annoying. We are in the same situation if our heat pump operates under the bedroom window\u2014ours or the neighbor\u2019s. You could say the installation behaves like a small \u201cspeaker\u201d for the surroundings. Besides the fan noise, the unit may produce other sounds, such as humming or transmitting vibrations into the building structure. The problem can intensify at night\u2014when it is quiet outside, even a moderate sound becomes much more audible, and additionally on frosty days the device\u2019s operation can be more intense.<\/p><p>The good news is that most modern devices are already quite quiet and do not exceed the level of a normal conversation. In most cases, noise issues can be eliminated without \u201cexpensive tricks\u201d. You just need to think of the heat pump as a device that must be wisely integrated into the property: choose the right location, ensure vibration damping, and avoid creating conditions in which sound will be amplified.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c5e6ab2 e-flex e-con-boxed e-con e-parent\" data-id=\"c5e6ab2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b49e30e elementor-widget elementor-widget-heading\" data-id=\"b49e30e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"#\" data-href=\"https:\/\/voltmax.lu\/de\/heat-pumps-that-are-neighbor-friendly-noise-vibrations-and-placement\/#Which_heat_pumps_are_quieter_and_which_require_more_attention\" >Which heat pumps are quieter, and which require more attention?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"#\" data-href=\"https:\/\/voltmax.lu\/de\/heat-pumps-that-are-neighbor-friendly-noise-vibrations-and-placement\/#dB_level_in_the_catalog_vs_real_noise\" >dB level in the catalog vs real noise<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"#\" data-href=\"https:\/\/voltmax.lu\/de\/heat-pumps-that-are-neighbor-friendly-noise-vibrations-and-placement\/#Where_does_the_noise_in_a_heat_pump_really_come_from\" >Where does the noise in a heat pump really come from?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"#\" data-href=\"https:\/\/voltmax.lu\/de\/heat-pumps-that-are-neighbor-friendly-noise-vibrations-and-placement\/#Where_should_you_install_a_heat_pump\" >Where should you install a heat pump?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/voltmax.lu\/de\/heat-pumps-that-are-neighbor-friendly-noise-vibrations-and-placement\/#Vibrations_and_mounting_vs_sound_transmission\" >Vibrations and mounting vs sound transmission<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"#\" data-href=\"https:\/\/voltmax.lu\/de\/heat-pumps-that-are-neighbor-friendly-noise-vibrations-and-placement\/#Heat_pumps_in_Luxembourg_-_what_are_the_requirements\" >Heat pumps in Luxembourg - what are the requirements?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Which_heat_pumps_are_quieter_and_which_require_more_attention\"><\/span>Which heat pumps are quieter, and which require more attention?<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2cec55 elementor-widget elementor-widget-text-editor\" data-id=\"e2cec55\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Whether a heat pump is quiet or loud depends primarily on where the sound source is located. The loudest will be devices that perform most of their work outdoors. This way we can hear the compressor and the fan working in the open air. Heat pumps enclosed in technical rooms will behave much more quietly. The devices that require the most attention are those that have an outdoor unit. It is the most audible to the surroundings\u2014this applies to both air-to-water and air-to-air heat pumps. Ground-source heat pumps, on the other hand, do not need an outdoor fan\u2014their operation takes place mainly inside the building. Here, proper soundproofing of the technical room and correct decoupling of vibrations from the floor and walls are important.\u00a0<\/p><p>A separate category includes systems with several units, also called cascades. Here, there may be a risk of sound adding up from each unit. More often, there is also a situation in which one unit goes to higher speeds while the others operate steadily and calmly. It is important to prepare the design of the system layout and its control well.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a5c989 elementor-widget elementor-widget-text-editor\" data-id=\"3a5c989\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In the table below, we present a summary of how the different types of heat pumps differ from each other:\u00a0<\/p><table><tbody><tr><td><p><b>Type of heat pump<\/b>\u00a0<\/p><\/td><td><p><b>What can you usually hear?<\/b>\u00a0<\/p><\/td><td><p><b>Where does the problem appear?<\/b>\u00a0<\/p><\/td><td><p><b>What most often helps?<\/b>\u00a0<\/p><\/td><\/tr><tr><td><p>Air\u2013to\u2013water\u00a0<\/p><\/td><td><p>fan noise, compressor operation; sometimes a temporary increase during defrosting\u00a0<\/p><\/td><td><p>corners and recesses by walls, spots under windows, fa\u00e7ade mounting that transfers vibrations\u00a0<\/p><\/td><td><p>a good location (no reflections), stable foundation + vibration isolation, night settings and calmer controller operation\u00a0<\/p><\/td><\/tr><tr><td><p>Air\u2013to\u2013air\u00a0<\/p><\/td><td><p>fan + compressor in the outdoor unit; variable operation depending on load\u00a0<\/p><\/td><td><p>small plots, close to the boundary, placement in a \u201ccorridor\u201d between buildings; audibility at night\u00a0<\/p><\/td><td><p>sensible location, vibration decoupling, avoiding covers that block airflow, optimally set night mode\u00a0<\/p><\/td><\/tr><tr><td><p>Ground-source\u00a0<\/p><\/td><td><p>mainly sounds from the technical room (compressor, accessories); usually little outside\u00a0<\/p><\/td><td><p>vibration transfer to slabs\/walls, overly \u201crigid\u201d mounting in the boiler room, too close to bedrooms inside the house\u00a0<\/p><\/td><td><p>good internal mounting (decoupling), attention to the acoustics of the technical room, proper routing of pipes\u00a0<\/p><\/td><\/tr><tr><td><p>Cascade (multiple units)\u00a0<\/p><\/td><td><p>sound addition from multiple sources; one unit may periodically operate louder\u00a0<\/p><\/td><td><p>tight development, limited installation space, unfavorable control (frequent \u201cboosting\u201d of speeds)\u00a0<\/p><\/td><td><p>acoustics-oriented layout design, spacing units out in the area, good control and schedules, possible screening solutions where they make sense\u00a0<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62e1005 elementor-widget elementor-widget-image\" data-id=\"62e1005\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/7-1024x768.jpg\" class=\"attachment-large size-large wp-image-18364\" alt=\"7\" srcset=\"https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/7-1024x768.jpg 1024w, https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/7-300x225.jpg 300w, https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/7-768x576.jpg 768w, https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/7-1536x1152.jpg 1536w, https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/7-16x12.jpg 16w, https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/7.jpg 1600w\" sizes=\"(max-width: 640px) 100vw, 640px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66a6007 elementor-widget elementor-widget-heading\" data-id=\"66a6007\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"dB_level_in_the_catalog_vs_real_noise\"><\/span>dB level in the catalog vs real noise <span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8366746 elementor-widget elementor-widget-text-editor\" data-id=\"8366746\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In catalogs that contain descriptions of heat pump models, we can often find information about how quiet a given model is. Phrases about a silent mode or the famous wording \u201csuper silent\u201d are repeated. However, it is worth remembering that in the catalog we find information about a device that operated under specific conditions. There is no guarantee that on your property it will operate just as quietly. This causes many disappointments, because two heat pumps with similar data in the documentation can in practice operate completely differently. This depends primarily on the location and surroundings, but also on the installation method.\u00a0<\/p><p>A parameter in the catalog is not the same as the real noise at the place where we are. The perception of loudness is influenced by many factors, such as the distance from the noise source, the direction of the fan discharge, and the surroundings. Sound most often reflects when the outdoor unit stands close to a wall, is located in a corner, or in a narrow passage between two buildings-such conditions work like a megaphone, amplifying the noises produced by the device. It is worth remembering that it is not the pump that works louder-rather, the conditions cause the sound to carry farther or be concentrated in one direction.\u00a0<\/p><p>The time of day also has a huge impact on how we perceive the sounds produced by a given heat pump model. During the day, background noise\u2014cars driving, people talking, or other city sounds\u2014masks the noise coming from the device. At night, most of these sounds disappear, so the body perceives the heat pump\u2019s operating sound much more clearly. Additionally, during colder nights the device may operate more intensively. All of this means that what during the day seems practically inaudible may bother us at night.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a915e56 elementor-widget elementor-widget-heading\" data-id=\"a915e56\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Where_does_the_noise_in_a_heat_pump_really_come_from\"><\/span>Where does the noise in a heat pump really come from? <span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-248354a elementor-widget elementor-widget-text-editor\" data-id=\"248354a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A heat pump is a source of various sounds that can appear during different stages of the device\u2019s operation. One day we will not hear it even for a moment, and another day the humming during its operation will catch our attention. In heat pumps, most often three noise sources are involved.\u00a0<\/p><p>The first is the fan in the outdoor unit\u2014in the case of air-source heat pumps. It produces a steady sound of air noise that resembles a stronger air blow. The fan itself is quite quiet, but the placement of the device plays a big role here. If the pump stands too close to a wall, in a corner, or in a place with restricted airflow\u2014we may encounter audible noise that over time turns into whistling or vibrating. This is caused by the fact that the air reflects and swirls.\u00a0<\/p><p>The second source of noise is the compressor, which is the heart of the device. The sound coming from it is low, resembles humming, and is particularly audible during changes in speed. The loudness of the compressor\u2019s operation is usually not a problem. The problem arises when vibrations transfer to the structure, which causes the sound to spread through the building. Sometimes this noise can also appear inside the building. The house begins to act like a resonant box and the device\u2019s loudness becomes problematic.\u00a0<\/p><p>The third source of noise can be moments when the heat pump does not operate evenly. A good example here is the operating cycle called defrost, i.e., defrosting. It activates in cool and humid weather, which causes the device to temporarily change the way it operates. It can increase the speed of both the fan and the compressor. Additionally, there may be sounds related to condensation, dripping, or cracking. It does not last long, but if it occurs at night, it can be noticed.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dff2c6f elementor-widget elementor-widget-heading\" data-id=\"dff2c6f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The moment when it becomes louder than usual \n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e8c783 elementor-widget elementor-widget-text-editor\" data-id=\"2e8c783\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Most often the device starts to operate louder in the case of frost and defrosting-then the heat pump briefly changes its operating mode, can increase speeds, and the sound becomes more audible. This happens especially at night. The second moment is operation at high power-after a break in heating, the house must warm up quickly to reach a specific temperature. Unfavorable controller settings can also unnecessarily increase noise emissions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb16290 elementor-widget elementor-widget-image\" data-id=\"cb16290\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/8-1024x768.jpg\" class=\"attachment-large size-large wp-image-18365\" alt=\"8\" srcset=\"https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/8-1024x768.jpg 1024w, https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/8-300x225.jpg 300w, https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/8-768x576.jpg 768w, https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/8-1536x1152.jpg 1536w, https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/8-16x12.jpg 16w, https:\/\/voltmax.lu\/wp-content\/uploads\/2026\/02\/8.jpg 1600w\" sizes=\"(max-width: 640px) 100vw, 640px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c00aa2 elementor-widget elementor-widget-heading\" data-id=\"9c00aa2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Where_should_you_install_a_heat_pump\"><\/span>Where should you install a heat pump? <span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a339eb elementor-widget elementor-widget-text-editor\" data-id=\"8a339eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The installation location, or the device itself, is not the problem when it comes to emitting noise. Avoid placing the pump in recesses, between walls, or in corners. These are places that act like a resonant box. The noise is amplified, and the fan noise carries more easily in one direction. If the sound additionally encounters an obstacle such as a wall or a fence, it can reflect and come back, which seemingly increases the noise\u2014we feel that the sound is louder even though the device is operating the same.\u00a0<\/p><p>It is also worth thinking through the location in relation to windows, especially in the bedroom. The sound produced by the heat pump disappears during the day, but at night it can be distinct. It is therefore good to plan placing the heat pump at an appropriate distance from the house and not necessarily on the side where the windows to our rest room are located. Let us also remember the well-being of our neighbors\u2014try not to place the device in such a way that the noise coming from it disrupts their peace.\u00a0<\/p><p>Here are a few points worth remembering when choosing the installation location for a heat pump:\u00a0<\/p><ul><li aria-level=\"1\">avoid recesses and corners, because they amplify sound;\u00a0<\/li><\/ul><ul><li aria-level=\"1\">position the device so that there is no hard wall opposite it that will reflect the noise;\u00a0<\/li><\/ul><ul><li aria-level=\"1\">pay attention to the direction of the air discharge\u2014it must not be directed toward your windows or the neighbor\u2019s;\u00a0<\/li><\/ul><ul><li aria-level=\"1\">plan a stable base that limits vibrations;\u00a0<\/li><\/ul><ul><li aria-level=\"1\">ensure condensate drainage so that in winter ice does not form under the unit.\u00a0<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bfebe8e elementor-widget elementor-widget-heading\" data-id=\"bfebe8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Two places where the pump will almost always be louder <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58e8e20 elementor-widget elementor-widget-text-editor\" data-id=\"58e8e20\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>There are two heat pump placements that practically guarantee that noise will start to bother us when using the device.\u00a0<\/p><p>The first is placing the unit under a bedroom window. The sound has a very short distance to travel, and at night the pump\u2019s noises become very burdensome. The second place is a corner or the space between walls, the so-called recesses and corridors between buildings. In this case, the noise does not spread naturally\u2014it reflects off hard surfaces and is amplified. Additionally, restricted airflow can cause the device to run at higher speeds, which also increases audibility.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b6cf55d elementor-widget elementor-widget-heading\" data-id=\"b6cf55d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Vibrations_and_mounting_vs_sound_transmission\"><\/span>Vibrations and mounting vs sound transmission <span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c700c93 elementor-widget elementor-widget-text-editor\" data-id=\"c700c93\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In heat pump noise, what is often the most irritating is not the sounds that are heard outside the building, but those that appear inside the house. We are talking about micro-vibrations generated by the outdoor unit\u2014specifically by the compressor and rotating components. If the installation is done \u201crigidly\u201d, the building transmits the vibrations further. They turn into a hum that can be felt in rooms inside the house.\u00a0<\/p><p>The first mistake that should be ruled out is improper seating\/foundation. The pump stands on an unstable base, on a light structure, a thin slab, or paving that \u201cmoves\u201d, or\u2014worse\u2014on fa\u00e7ade brackets without proper vibration decoupling. The result can be that instead of a gentle whoosh you get amplified vibrations at specific frequencies, causing a troublesome, tiring hum transmitted to walls and slabs. To silence this sound, changing the device settings is often not enough\u2014the base and mountings need to be corrected.\u00a0<\/p><p>The second mistake is poorly selected vibration isolators\u2014either there are none at all, or they are chosen randomly, for example they are too hard or too soft, or simply set incorrectly. In this way, the isolators act like a spring, and the device starts to operate like a swing. This can contribute to one of two scenarios: vibrations can go into the building, causing them to be heard inside, or the unit falls into vibrations that outside sound like buzzing.\u00a0<\/p><p>The third mistake is vibration bridges in the installation, for example pipes, brackets, or penetrations made rigidly. Even if the heat pump is positioned correctly, vibrations can travel through pipes and mountings into the building structure, resulting in humming\u2014whether in the bedroom or in the living room.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-56f182d elementor-widget elementor-widget-heading\" data-id=\"56f182d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Heat_pumps_in_Luxembourg_-_what_are_the_requirements\"><\/span>Heat pumps in Luxembourg - what are the requirements? <span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5da5db9 elementor-widget elementor-widget-text-editor\" data-id=\"5da5db9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In Luxembourg there is no golden rule for the entire country that defines one location for the outdoor unit and how far from the fence it should be. The overriding requirements are those defined by a given municipality, i.e., local building regulations (RBVS) and their interpretation. It is at the municipal level that provisions most often appear regarding technical devices outdoors and permissible noise levels. In many municipalities, what matters is what can be heard at the property boundary, not what is presented in the catalog. Therefore, before installation it is worth checking the requirements where you live.\u00a0<\/p><p>In case of questions from a neighbor or the authorities, it is worth preparing a simple set of documents that will answer most questions. First\u2014noise parameters according to the manufacturer. Second\u2014a plan of the unit\u2019s placement on the plot with marked distances from the boundary and windows. Third\u2014a short description of what has been done to reduce noise. Such measures include proper seating\/foundation and all anti-vibration solutions.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a5d529 elementor-widget elementor-widget-heading\" data-id=\"0a5d529\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Don\u2019t worry about noise, use Voltmax services <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82fa530 elementor-widget elementor-widget-text-editor\" data-id=\"82fa530\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Noise when using a heat pump is not the norm. It is usually the result of incorrect placement or vibration transmission. However, a properly selected device and an appropriate location on the property can make the heat pump work excellently-heating the house and not drawing attention to itself.\u00a0<\/p><p>At Voltmax, we advise on choosing a solution for a specific building. We plan the installation location so as not to direct sound toward windows and neighbors\u2019 houses. During installation we pay attention to the smallest details, such as stable seating\/foundation, vibration damping, and correct routing of the system. These are details that later guarantee satisfaction. We also help prepare documentation in a basic version, which in Luxembourg makes the heat pump installation process easier.\u00a0<\/p><p>If you decide to install a heat pump in your home-contact Voltmax. Describe your house and plot to us, and we will suggest which solution will be acoustically safest and how to plan the installation so that everything goes smoothly and without stress.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c85fbd2 e-flex e-con-boxed e-con e-parent\" data-id=\"c85fbd2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cebf472 elementor-widget elementor-widget-heading\" data-id=\"cebf472\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Worried about noise or vibrations from a heat pump? Contact us to design a neighbor-friendly system.<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e4c85a3 ekit_wpForms_container-form-button-custom elementor-widget elementor-widget-elementskit-wp-forms\" data-id=\"e4c85a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"elementskit-wp-forms.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con ekit_wpForms_container\"><style id=\"wpforms-css-vars-16001\">\n\t\t\t\t#wpforms-16001 {\n\t\t\t\t--wpforms-field-border-color: #cbc6c2;\n--wpforms-field-border-color-spare: #cbc6c2;\n--wpforms-field-text-color: #3d3835;\n--wpforms-label-color: #3d3835;\n--wpforms-label-sublabel-color: #79716b;\n--wpforms-label-error-color: #d63636;\n--wpforms-button-background-color: #e27730;\n--wpforms-button-border-color: #ff4500;\n--wpforms-button-text-color: #fcf1ea;\n--wpforms-container-border-radius: 0px;\n--wpforms-page-break-color: #e27730;\n--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 5px;\n--wpforms-field-size-icon-size: 1;\n--wpforms-label-size-font-size: 16px;\n--wpforms-label-size-line-height: 19px;\n--wpforms-label-size-sublabel-font-size: 14px;\n--wpforms-label-size-sublabel-line-height: 17px;\n--wpforms-button-size-font-size: 17px;\n--wpforms-button-size-height: 41px;\n--wpforms-button-size-padding-h: 15px;\n--wpforms-button-size-margin-top: 10px;\n--wpforms-container-shadow-size-box-shadow: none;\n\t\t\t}\n\t\t\t<\/style><div class=\"wpforms-container wpforms-container-full wpforms-render-modern\" id=\"wpforms-16001\"><form id=\"wpforms-form-16001\" class=\"wpforms-validate wpforms-form wpforms-ajax-form\" data-formid=\"16001\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/de\/wp-json\/wp\/v2\/posts\/18362\" data-token=\"8904a6cbb5d0f5f4e41f350dc6bc083b\" data-token-time=\"1776586094\"><noscript class=\"wpforms-error-noscript\">Bitte aktiviere JavaScript in deinem Browser, um dieses Formular fertigzustellen.<\/noscript><div id=\"wpforms-error-noscript\" style=\"display: none;\">Bitte aktiviere JavaScript in deinem Browser, um dieses Formular fertigzustellen.<\/div><div class=\"wpforms-field-container\"><div id=\"wpforms-16001-field_1-container\" class=\"wpforms-field wpforms-field-name\" data-field-id=\"1\"><fieldset><legend class=\"wpforms-field-label\">Name <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/legend><div class=\"wpforms-field-row wpforms-field-medium\"><div class=\"wpforms-field-row-block wpforms-first wpforms-one-half\"><input type=\"text\" id=\"wpforms-16001-field_1\" class=\"wpforms-field-name-first wpforms-field-required\" name=\"wpforms[fields][1][first]\" aria-errormessage=\"wpforms-16001-field_1-error\" required><label for=\"wpforms-16001-field_1\" class=\"wpforms-field-sublabel after\">Vorname<\/label><\/div><div class=\"wpforms-field-row-block wpforms-one-half\"><input type=\"text\" id=\"wpforms-16001-field_1-last\" class=\"wpforms-field-name-last wpforms-field-required\" name=\"wpforms[fields][1][last]\" aria-errormessage=\"wpforms-16001-field_1-last-error\" required><label for=\"wpforms-16001-field_1-last\" class=\"wpforms-field-sublabel after\">Nachname<\/label><\/div><\/div><\/fieldset><\/div><div id=\"wpforms-16001-field_4-container\" class=\"wpforms-field wpforms-field-number\" data-field-id=\"4\"><label class=\"wpforms-field-label\" for=\"wpforms-16001-field_4\">Phone number<\/label><input type=\"number\" id=\"wpforms-16001-field_4\" class=\"wpforms-field-medium\" name=\"wpforms[fields][4]\" step=\"any\" aria-errormessage=\"wpforms-16001-field_4-error\" ><\/div>\t\t<div id=\"wpforms-16001-field_6-container\"\n\t\t\tclass=\"wpforms-field wpforms-field-text\"\n\t\t\tdata-field-type=\"text\"\n\t\t\tdata-field-id=\"6\"\n\t\t\t>\n\t\t\t<label class=\"wpforms-field-label\" for=\"wpforms-16001-field_6\" >Name Email Your<\/label>\n\t\t\t<input type=\"text\" id=\"wpforms-16001-field_6\" class=\"wpforms-field-medium\" name=\"wpforms[fields][6]\" >\n\t\t<\/div>\n\t\t<div id=\"wpforms-16001-field_2-container\" class=\"wpforms-field wpforms-field-email\" data-field-id=\"2\"><label class=\"wpforms-field-label\" for=\"wpforms-16001-field_2\">Your Email <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"email\" id=\"wpforms-16001-field_2\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][2]\" spellcheck=\"false\" aria-errormessage=\"wpforms-16001-field_2-error\" required><\/div><div id=\"wpforms-16001-field_3-container\" class=\"wpforms-field wpforms-field-textarea\" data-field-id=\"3\"><label class=\"wpforms-field-label\" for=\"wpforms-16001-field_3\">Write what you are interested in<\/label><textarea id=\"wpforms-16001-field_3\" class=\"wpforms-field-medium\" name=\"wpforms[fields][3]\" aria-errormessage=\"wpforms-16001-field_3-error\" ><\/textarea><\/div><div id=\"wpforms-16001-field_5-container\" class=\"wpforms-field wpforms-field-checkbox\" data-field-id=\"5\"><fieldset><legend class=\"wpforms-field-label\">Consents: <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/legend><ul id=\"wpforms-16001-field_5\" class=\"wpforms-field-required\"><li class=\"choice-1 depth-1\"><input type=\"checkbox\" id=\"wpforms-16001-field_5_1\" name=\"wpforms[fields][5][]\" value=\"I agree to be contacted by phone and e-mail from Voltmax.\" aria-errormessage=\"wpforms-16001-field_5_1-error\" required ><label class=\"wpforms-field-label-inline\" for=\"wpforms-16001-field_5_1\">I agree to be contacted by phone and e-mail from Voltmax.<\/label><\/li><li class=\"choice-2 depth-1\"><input type=\"checkbox\" id=\"wpforms-16001-field_5_2\" name=\"wpforms[fields][5][]\" value=\"I consent to the processing of my data in accordance with the current provisions of the GDPR.\" aria-errormessage=\"wpforms-16001-field_5_2-error\" required ><label class=\"wpforms-field-label-inline\" for=\"wpforms-16001-field_5_2\">I consent to the processing of my data in accordance with the current provisions of the GDPR.<\/label><\/li><\/ul><\/fieldset><\/div><script>\n\t\t\t\t( function() {\n\t\t\t\t\tconst style = document.createElement( 'style' );\n\t\t\t\t\tstyle.appendChild( document.createTextNode( '#wpforms-16001-field_6-container { position: absolute !important; overflow: hidden !important; display: inline !important; height: 1px !important; width: 1px !important; z-index: -1000 !important; padding: 0 !important; } #wpforms-16001-field_6-container input { visibility: hidden; } #wpforms-conversational-form-page #wpforms-16001-field_6-container label { counter-increment: none; }' ) );\n\t\t\t\t\tdocument.head.appendChild( style );\n\t\t\t\t\tdocument.currentScript?.remove();\n\t\t\t\t} )();\n\t\t\t<\/script><\/div><!-- .wpforms-field-container --><div class=\"wpforms-recaptcha-container wpforms-is-turnstile\" ><div class=\"wpforms-turnstile\" data-sitekey=\"0x4AAAAAACugb6YpF_VG7jU_\" data-action=\"FormID-16001\"><\/div><input type=\"text\" name=\"g-recaptcha-hidden\" class=\"wpforms-recaptcha-hidden\" style=\"position:absolute!important;clip:rect(0,0,0,0)!important;height:1px!important;width:1px!important;border:0!important;overflow:hidden!important;padding:0!important;margin:0!important;\" data-rule-turnstile=\"1\"><\/div><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"16001\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/posts\/18362\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-16001\" class=\"wpforms-submit\" data-alt-text=\"Sending\u2026\" data-submit-text=\"Submit\" aria-live=\"assertive\" value=\"wpforms-submit\">Submit<\/button><img decoding=\"async\" src=\"https:\/\/voltmax.lu\/wp-content\/plugins\/wpforms\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Wird geladen\" title=\"\"><\/div><\/form><\/div>  <!-- .wpforms-container --><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>A heat pump is a device that generally does not bother anyone\u2014it is not too loud, so it should not cause conflicts. However, in certain situations its placement and installation can be quite troublesome and negatively perceived by residents of nearby homes. It does not matter whether the device is branded and exceptionally high-quality\u2014if it [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":18363,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[16,17],"tags":[102,241,235,237,242,236,240,32,238,239],"class_list":["post-18362","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-heat-pumps","category-heating","tag-heat-pump","tag-heat-pump-installation","tag-heat-pump-noise","tag-heat-pump-placement","tag-heat-pump-service","tag-heat-pump-vibrations","tag-low-noise-heating","tag-luxembourg","tag-neighbor-friendly-heat-pump","tag-outdoor-unit"],"_links":{"self":[{"href":"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/posts\/18362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/comments?post=18362"}],"version-history":[{"count":1,"href":"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/posts\/18362\/revisions"}],"predecessor-version":[{"id":18996,"href":"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/posts\/18362\/revisions\/18996"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/media\/18363"}],"wp:attachment":[{"href":"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/media?parent=18362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/categories?post=18362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/voltmax.lu\/de\/wp-json\/wp\/v2\/tags?post=18362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}