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Voltmax Energy Solutions in Luxembourg

Manage energy efficiency

Heat Pump

Solutions for the individual client

Heat pumps are the perfect solution for you.

Use renewable energy sources and reduce building operating costs. Regardless of the season, use the energy obtained from photovoltaic panels, which will provide you with the lowest heating costs available to everyone. This solution is characterized by high comfort, low operating costs and high failure-free operation.

The selection of a heat pump depends on several factors, including the degree of house insulation, square footage and individual needs. Make an appointment with our advisor and choose the best solution dedicated to you.

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We cooperate with leading heat pump manufacturers

We cooperate with renowned suppliers of heat pumps. We can choose a device that is perfectly suited to your home

Complete solutions

1
STAGE

Free consultation

Contact us – Our technical and sales advisor will arrange a meeting with you, discuss your needs and present optimal solutions.

Calculating the heat demand of the house and selecting a heat pump

Based on the data collected, we will prepare the building’s energy demand and prepare a comprehensive offer tailored to you and your building.

2
STAGE

3
STAGE

Analysis of financing options for your investment

Our advisor will offer you the most advantageous investment financing, advise you on potential sources of financing and prepare for you the necessary documentation to obtain it.

Professional installation and commissioning

Our teams of experienced installers will take care of the entire installation within the time frame you specify. They will start and define the operating parameters of the installation in collaboration with a certified installer of a given brand of heat pumps.

4
STAGE

Choose proven solutions

Advantages of choosing a heat pump

Financial savings

Combined with photovoltaics, it is the cheapest heating source. It helps reduce heating bills compared to the costs incurred for purchasing coal, gas or wood.

Energy saving

Heat pumps are very efficient in terms of energy consumption because most of the energy they consume comes from the air or the ground. They use less energy than electric heaters and heating mats. This means reduced energy bills and home heating costs.

Comfort

Heat pumps are capable of providing uniform and consistent heating to your home throughout the year. Compared to traditional heating systems, heat pumps are more efficient in regulating the temperature in the home, allowing for optimal thermal comfort. They require no maintenance and do not generate dust, dust or sediment from coal storage.

Respect the environment

Heat pumps produce no greenhouse gas emissions or other pollutants, meaning they are more environmentally friendly than traditional heating systems.

Security

They do not use flammable fuels or generate flames, meaning they are safer to use than traditional ovens or boilers. There is no risk of carbon monoxide poisoning or explosion.

Sustainability

Heat pumps are generally more durable than traditional heating systems because they have fewer moving parts and require less maintenance.

Buderus

Buderus heat pumps

Buderus heat pumps are devices that use energy from air, water or the ground to heat and cool your home. These are devices with a very high energy efficiency index, thanks to which they can significantly reduce heating and cooling costs.

Buderus heat pumps are available in a variety of models to meet the needs of every home. They are reliable and durable devices that can be used for many years.

Choose proven solutions

Types of solutions

Air

Air-water heat pumps

Air – Air-water heat pumps

In the case of air-water heat pumps, the lower heat source (and at the same time the heat carrier) is simply air. The fan forces them through the evaporator, where some of the heat energy from the air is captured and transferred to the building’s heating system and hot water.

Models include:
Logatherm WLW186i AR
Logatherm WLW176i AR
Logatherm WLW166i
Logatherm WLW156 MB AR
Logatherm WLW196i IR
Logatherm WLW196i AR
Logatherm WPLS.2

Ground

Glycol-water heat pumps

Geothermal energy – Brine heat pumps

Renewable energy is the energy of the future and heat pumps are the perfect solution to use this free energy efficiently and environmentally to heat our homes. Thanks to them, we protect the natural environment, our portfolio and become more independent from international political and economic conditions.

Brine heat pumps obtain thermal energy from the ground via installation of a lower heat source. It is carried out in two ways: as horizontal or vertical floor heat exchanger. From a depth of 15 m, the ground has a constant temperature of 10°C and is perfect for drilling a well for a probe (vertical ground sensor).

Models include:
Logatherm WSW196i.2/WSW186
Logatherm WPS K-1
Logatherm WPS-1

For hot water

Air source heat pump for heating domestic hot water.

For hot water – Air heat pump for heating domestic hot water.

They efficiently use free energy from the air to prepare hot water. The devices can work with other heating systems and their installation is extremely simple. Plus, they have an added advantage: they can provide pleasant coolness on hot days. You can choose from models operating at temperatures of 5°C and -10°C!

Models include:
Logatherm WPT

Frequently Asked Questions (FAQ) - Everything You Need to Know About Heat Pumps

1. How does a heat pump work?

A heat pump uses outside air as a heat source, production is possible even when the outside temperature drops below 0, and we can use the outside air to heat our house or heat water.

2. How many years does a heat pump work?

Depending on the manufacturer, proper servicing and correct installation, we can assume that on average a heat pump works for about 20 years.

3. Do I need to modernize my old heating system?

If your system is based on traditional radiators, you do not have to replace them. However, it is worth remembering that with a heat pump, it is most effective to use low-temperature receivers.

4. What are the benefits of having a heat pump?

A heat pump is multifunctional, when it is cold it will heat the house, and when it is hot it can cool our house, and it will also heat water all year round.

5. How is the heat pump powered?

The heat pump is powered by electricity, it is necessary for its start-up and operation, so it is worth equipping yourself with a photovoltaic installation, which will significantly reduce the cost of maintaining the heat pump.

6. Does the heat pump require inspections?

Yes, like any heating device, it needs periodic check-ups to ensure reliable operation.

7. Does my house need to be prepared to install a heat pump?

It is worth insulating your house so that the generated heat does not escape through leaks or through lack of thermal insulation with the environment.

8. Does the heat pump require my attention for proper operation?

No, a heat pump is fully automated and does not require manual adjustments.

9. How much will it cost me to maintain the heat pump?

It depends on how much heat you need and how much electricity it will cost.

10. What power of the heat pump do I need in my case? What heat pump capacity do I need?

It depends on individual needs, so it is worth contacting our representative.

11. What does the abbreviation COP mean?

COP stands for Coefficient of Performance, which measures a heat pump’s efficiency.

12. What is C.H.?

C.H. is an abbreviation for central heating.

13. What is DHW?

C.W.U. is an abbreviation for domestic hot water.

14. Can I cool my house with a heat pump on hot summer days?

Yes, a heat pump becomes a cooling unit on hot summer days, which, in cooperation with a fan coil, will cool your house.

15. What is the advantage of an air pump over a ground pump?

An air pump is much less invasive in our area, because there are no drillings and we do not have to dig up the plot, which makes the installation much faster and the whole thing generates less costs. An additional advantage is the lack of need for special projects, and the risk of failure is much lower because it contains fewer elements that could increase the risk of failure.

16. Is it worth combining a heat pump with photovoltaics?

Absolutely, this combination makes your home more energy-independent.

17. What is a buffer tank?

A buffer tank is an additional liquid tank in a hydraulic system, its task is to artificially increase the amount of liquid in the hydraulic system.

18. Is a buffer tank necessary?

No, but reducing system complexity lowers the risk of breakdowns.

19. Should I include the power of the backup heaters in the heat pump power balance?

Yes, you should include the power of the booster heaters as part of the total available air-to-water heating power.

20. What is a dirt separator?

Small mechanical impurities and air bubbles can cause blockages and problems with obtaining the appropriate mass flow of the heating medium. Separators remove all impurities from the water in the system and are maintenance-free.

21. Does the heat pump need to be maintained?

There is no such need, a periodic inspection is enough.

22. Can I use wall heating as an additional heat emitter?

Yes, wall heating works efficiently with heat pumps as a low-temperature heat emitter.

23. Does underfloor heating cause dust to circulate?

No, underfloor heating does not increase dust circulation.

24. How long does heat pump installation take?

Installing a heat pump takes from 1 to 3 days, depending on the complexity of the project.

25. Can a heat pump have different types of receivers?

Yes, you can use underfloor heating and radiators, but it is necessary to divide the system into two zones because they have individual temperatures.

26. Do I need a building permit for a heat pump?

Such a permit is not required. Only permission from the commune to carry out renovation works.

27. Does using heat pumps make sense in the Luxembourg climate?

Yes, even in freezing temperatures, heat pumps function efficiently with backup heating elements.

28. Can I connect a heat pump to a photovoltaic system?

Yes, but you’ll need a compatible controller to integrate both systems.

29. Is an air-source heat pump as efficient as a ground-source heat pump?

Ground-source heat pumps have higher efficiency but require more costly installation.

30. How long is the warranty on a heat pump?

Typically, manufacturers offer a 5-year warranty.

31. How long does the compressor last?

A compressor can last around 25 years, but neglecting maintenance can shorten its lifespan.

32. What components make up a heat pump?

A heat pump consists of an outdoor unit that extracts heat from air, water, or ground, and an indoor unit that distributes heat.

33. What is the maximum water temperature a heat pump can produce?

Most heat pumps can heat water up to 75°C.

34. Can a heat pump be the only heating source?

Yes, but the home must be well-insulated and the pump properly sized.

35. How much can I save with a heat pump?

Compared to electric heating, a heat pump reduces bills by up to 70%, 50% compared to oil heating, and 40% compared to gas heating.

36. Heat pump vs. solar collectors – which is better?

Heat pumps work year-round, while solar collectors depend on sunlight and are less effective in winter.

37. Are heat pumps only for new buildings?

No, they are suitable for both new and older buildings.

38. Will a heat pump affect my garden?

A properly installed ground collector does not damage the garden.

39. Is underfloor heating required for a heat pump?

No, but it maximizes efficiency. Radiators can still be used with a heat pump.

40. What is the best heating system for a heat pump?

The most efficient system is low-temperature heating such as underfloor or wall heating.

41. Do I need to insulate my entire house for a heat pump?

The better the insulation, the smaller the heat pump needed, lowering costs.

42. Are heat pumps noisy?

Modern heat pumps are as quiet as refrigerators.

43. How big is a heat pump?

Standard heat pumps measure around 90 x 60 x 40 cm.

44. What is a building’s heat load?

Heat load refers to the amount of energy needed to heat a building, depending on insulation and size.

45. How often should glycol be refilled in a ground collector?

Glycol in a closed system does not need refilling.

46. Is a heat pump a fire hazard?

No, heat pumps are safe and do not pose explosion risks.

47. Does a heat pump emit toxic substances?

No, heat pumps do not release harmful emissions.

48. What is a monobloc heat pump?

A monobloc system has all components in the outdoor unit, making installation simpler.

49. What is a split heat pump?

A split system separates the indoor and outdoor units, requiring professional installation and refrigerant charging.

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