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Last updated: 31st July, 2023


Vaillant Air Source Heat Pumps

Vaillant Air Source Heat Pumps

Key takeaways

  • Vaillant offers innovative air source heat pumps as an eco-friendly alternative for home heating.
  • The AroTHERM range is a popular choice, designed for performance, efficiency, and comfort.
  • Vaillant's heat pump technology prioritises energy efficiency, noise reduction, and ease of use.

Air source heat pumps can be an extremely cost effective and efficient method of heating your home. In this mega guide we'll be exploring the Vaillant air source heat pump range including key benefits and costs.

The demand for sustainable and efficient heating solutions has grown exponentially as more people become conscious of their carbon footprint and energy usage.

Vaillant, a leading boiler and heating technology manufacturer, has responded to this need by developing an innovative range of air-source heat pumps. 

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These products harness renewable energy sources, providing an eco-friendly solution to traditional heating systems.

Air source heat pumps by Vaillant come in various options, with the AroTHERM range being a popular choice among homeowners. 

These heat pumps extract heat from the outside air and convert it into usable energy for heating water and homes. 

Vaillant's technology is designed to optimise energy efficiency and provide a high level of comfort, all while keeping operating noise to a minimum.

For more information on heat pumps, check out our handy 2023 cost guide

Vaillant Air Source Heat Pumps Overview


Vaillant, a family-owned multinational corporation, has over 141 years of experience providing top-quality HVAC equipment, with a primary focus on boilers and heat pumps. 

Their commitment to innovation and eco-friendliness has influenced the design of their air source heat pump systems, promoting energy-saving heating and cooling solutions.

The aroTHERM Series – Vaillant's aroTHERM range of air source heat pumps offers incredible homeowners performance and a positive environmental impact. 

The aroTHERM plus system can operate at -25°C and deliver hot water up to 70°C. It can achieve flow temperatures up to 75°C in thermodynamics, ensuring great efficiency and reliable heating. 

The compatibility of these heat pumps with renewable energies also contributes to CO2 emissions savings.

Flexibility and features – Vaillant's flexoTHERM heat pumps offer a split concept design capable of receiving energy from three different sources. 

They also have an appealing design that suits any installation site. The plug-and-play module for passive cooling is integrated into the structure of the heat pump and provides seamless temperature regulation. 

The VRC 700 control module is included with each purchase, enabling smooth operation and easy control of hybrid systems.

Efficiency and eco-friendliness – As an industry-leading provider of heat pumps, Vaillant strongly emphasises efficiency and eco-friendliness. 

Their heat pumps generate energy for heating and water heating from environmental heat, making them particularly climate-friendly.

By utilising "%" free environmental energy and "%" electricity for operating energy, Vaillant's pumps greatly reduce CO2 emissions and allow for significant energy savings for users.

In conclusion, Vaillant air source heat pumps combine cutting-edge technology, efficiency, and environmental consciousness to provide sustainable heating and cooling solutions. 

The aroTHERM and flexoTHERM series both offer reliable performance and user-friendly operation, making them an excellent choice for homeowners seeking a sustainable and effective HVAC system.

Arotherm Range


The Arotherm is Vaillant's second-generation air-to-water heat pump range which provides energy efficiency and reliable performance. 

This heat pump is available in various sizes, including 5, 8, 11, and 15 kW models, catering to different household needs. Developed with precision engineering and high-quality standards, the Arotherm range is MCS accredited.

Arotherm heat pumps can work effectively at low outdoor temperatures. Their environmentally friendly design reduces the carbon footprint and is compatible with Vaillant's range of home heating solutions.

they offer easy installation and maintenance to ensure a seamless user experience.

Arotherm Plus

The Arotherm Plus is Vaillant's next-generation monobloc air-to-water heat pump. It utilises the natural refrigerant R290, making it one of the most eco-friendly and efficient heat pumps.

This innovative product achieves an energy efficiency class of A+++, boasting an impressively low Global Warming Potential (GWP) of 3.

The Arotherm Plus is equipped to function in harsh conditions, with an operational range down to -25 °C. It can provide hot water up to 70 °C, making it an ideal choice for homeowners prioritising performance and sustainability.

the Arotherm range includes two distinct models catering to varying consumer needs. They offer top-tier energy efficiency ratings whilst maintaining a commitment to environmentally friendly operations.

With precise engineering and high standards of workmanship, the Arotherm and Arotherm Plus are reliable options for anyone seeking sustainable home heating solutions.

Benefits of Vaillant Heat Pumps


Vaillant heat pumps are known for their efficiency and environmentally friendly nature. These air-source heat pumps offer a sustainable solution for heating and hot water demands. Boasting an energy efficiency class of A+++, Vaillant heat pumps significantly reduce energy consumption and lower energy bills.

The aroTHERM plus model, in particular, showcases impressive performance with a coefficient of performance (COP) at A7/W35 of up to 5.4. This system has the latest heat pump technology, combining cooling, heating, and hot water in a single solution.

Furthermore, the aroTHERM plus can provide up to 25% more usable hot water with a 75°C flow temperature. As a result, an electric immersion heater for legionella protection is unnecessary.

Switching between the heat pump and boiler is managed by Vaillant's unique system, optimising energy use based on weather, heating/hot water demand, and energy tariffs. This smart feature ensures that the most efficient heat source is always utilised.

Besides their efficiency, Vaillant heat pumps contribute to a greener future by harnessing energy from the surrounding environment. This environmentally conscious approach helps homeowners to reduce their carbon footprint.

Moreover, the use of heat pump systems is encouraged by government incentives, making these systems a compelling choice for those looking to save money while supporting sustainable energy practices.

In summary, Vaillant heat pumps provide a range of benefits, from energy efficiency and sustainable energy use to cost savings and government incentives.

Incorporating the latest technology and a versatile approach to heating and cooling, these systems are an excellent choice for homeowners looking for a confident, knowledgeable, and environmentally-friendly solution to their heating and hot water needs.

Energy Sources and Efficiency

Vaillant air source heat pumps (ASHP) offer a combination of modern design and advanced technology, providing efficient heating and cooling solutions.

By utilising energy from the surrounding air, these heat pumps reduce reliance on traditional energy sources, such as fossil fuels and electricity from natural resources.

One advantage of Vaillant's ASHP system is its split concept, which enables the heat pump to draw from three possible energy sources. This flexible approach allows the system to adapt to varying conditions, maximising efficiency and minimising environmental impact.

Furthermore, Vaillant's heat pumps come equipped with a plug & play module for passive cooling, seamlessly integrating with the pump's structure and enhancing its performance capabilities.

The energy efficiency of Vaillant's heat pumps is evident in their A+++ energy label and maximum ELD efficiency level. An ASHP can deliver up to three times more heat energy to a home than the electrical energy it consumes, resulting in significant energy and cost savings for homeowners.

In fact, research indicates that cold climate ASHPs can reduce household energy consumption by up to 40%.

Vaillant's VRC 700 control module simplifies the management of hybrid systems, making it easy for users to benefit from this advanced technology.

The VRC 700 is designed to ensure optimal performance and adapt to the user's heating and cooling needs while maintaining a focus on energy efficiency and conservation.

In summary, Vaillant air source heat pumps provide an innovative, eco-friendly heating and cooling solution by harnessing energy from multiple sources. Homeowners can expect a significant reduction in their energy consumption and costs and a lower environmental impact.

The combination of cutting-edge features, high-efficiency ratings, and ease of use makes Vaillant's heat pumps a compelling choice for modern homes.

Functionality and Features

Vaillant air source heat pumps offer an energy-efficient and environmentally friendly solution for heating and cooling your home. These systems capitalise on freely available heat from the air to efficiently provide both hot water and domestic heating.

One notable product in their range is the aroTHERM plus, which utilises air-to-water heat pump technology to deliver impressive performance and energy efficiency. This system boasts a low sound power level of 54 dB (A), making it suitable for densely populated areas, such as terraced housing estates. Additionally, the aroTHERM plus incorporates monobloc technology and uses natural refrigerant R290, resulting in a minimal global warming potential (GWP) of 3.

One key advantage of air source heat pumps, like the Vaillant aroTHERM plus, is their adaptability, as they can be installed in various locations and operate using a combination of heat sources. This flexibility is particularly useful in hybrid systems, where the air source heat pump may function alongside traditional heating equipment.

A significant benefit of Vaillant's air-to-water heat pump technology is the ability to provide reversible functionality. This means that, in addition to heating, these systems can also cool your home during warmer months, maximising comfort and utility all year round. Furthermore, the air-to-water heat pumps deliver efficient hot water production, ensuring a constant supply of domestic hot water for your needs.

When considering the installation of a Vaillant air source heat pump, it's important to factor in the size of your property and your specific heating and cooling requirements. These systems are designed to operate at optimal flow temperatures, maximising their efficiency and performance. By selecting the most suitable size and location for your heat pump, you can ensure that it functions effectively and meets your energy demands.

In summary, Vaillant air source heat pumps offer versatile heating and cooling solutions with a strong focus on energy efficiency and sustainability. These systems are well-suited to various property types and locations, combining performance, adaptability, and low environmental impact to provide an impressive alternative to traditional heating and cooling systems.

Technological Advancements

Vaillant's air source heat pumps utilise cutting-edge technology to ensure efficient and environmentally friendly heating solutions. One of these advancements is the FlexoTHERM system, designed to operate with minimal noise and deliver optimal performance. This system adapts to various heat sources, including air, ground and water, offering flexibility to users while minimising the carbon footprint.

Another key development in Vaillant's heat pump technology is the TriVAI technology. It combines three renewable energy sources - air, water and electricity - into one seamless system. This integration enables efficient use of energy and ensures a comfortable environment for homeowners. The pumps provide users with a solution that optimises heating, cooling and domestic hot water production, all while reducing energy consumption and emissions.

An essential aspect of Vaillant's heat pump technology is its commitment to using natural refrigerants. In their air-to-water heat pump system, aroTHERM plus, Vaillant has incorporated natural refrigerants to reduce their product's carbon footprint. This innovative approach allows the heat pump to deliver hot water up to 70°C, operate even in temperatures as low as -25°C, and achieve flow temperatures of up to 75°C in thermodynamic mode.

The range of technological advancements in Vaillant's heat pumps showcases the company's dedication to providing highly efficient and environmentally friendly solutions. By integrating FlexoTHERM, TriVAI technology, and natural refrigerants, Vaillant has successfully positioned itself as a leader in the industry, delivering reliable and sustainable heating options for homeowners across the UK.

Installation and Adaptability

The installation process of Vaillant air source heat pumps is designed to provide easy integration into various heating systems. Vaillant's extensive experience in manufacturing boilers ensures that their heat pumps are suited for both domestic and commercial applications.

Air source heat pumps, such as the Vaillant aroTHERM range, are well-suited for properties with an existing boiler. They can be easily integrated into the current heating infrastructure, working alongside traditional boilers and other conventional heating systems. This adaptability allows homeowners to combine the energy efficiency of a heat pump with the reliability and power of their existing equipment.

There are multiple options for installing a Vaillant air source heat pump. The monobloc design, such as the aroTHERM plus model, simplifies the installation process by housing all key components within one unit. The compact nature of these systems also minimises the space required for installation. A qualified engineer can connect the heat pump to the property's existing heating network, utilising the same pipework and radiators.

Furthermore, the aroTHERM plus operates at temperatures as low as -25°C and supports flow temperatures up to 75°C in thermodynamic mode. This wide range of operations showcases the adaptability of Vaillant air source heat pumps, making them suitable for the diverse heating demands of both residential and commercial settings.

In conclusion, Vaillant's air source heat pumps demonstrate versatility and adaptability in various installations. Their compatibility with existing boilers and their efficient and environmentally-friendly operation make them a popular choice for domestic and commercial users looking to upgrade their heating systems without disrupting the established infrastructure.

Control and Operation

The Vaillant air source heat pump, known as the aroTHERM plus, offers efficient and eco-friendly heating solutions. This advanced system can operate in temperatures as low as -25°C and provide flow temperatures up to 75°C.

One key aspect of the aroTHERM plus is its quiet operation, as the heat pump utilises advanced compressor technology. This feature ensures minimal disturbance to homeowners and neighbours, contributing to a comfortable living environment.

The aroTHERM plus is designed to work seamlessly with radiators, making it suitable for various heating needs in residential and commercial buildings. This versatility ensures the heat pump can provide optimal heating regardless of the existing infrastructure.

Control of the aroTHERM plus is handled through the Multimatic 700 and VRC 700 control systems. These intelligent controls offer a user-friendly and intuitive interface for managing the heat pump. Users can easily adjust settings, monitor performance, and maintain optimal efficiency at all times, providing both comfort and energy savings.

Furthermore, the Vaillant air source heat pump is compatible with Vaillant's weather compensation controls. These controls allow the system to adjust its settings based on outdoor temperatures, ensuring consistent indoor comfort and reducing energy consumption.

In summary, the Vaillant aroTHERM plus heat pump offers exceptional control and operation features. Utilising advanced technology, it provides quiet operation, compatibility with radiators, and user-friendly controls through the Multimatic 700 and VRC 700 systems, resulting in an efficient and comfortable heating solution.

Types of Vaillant Heat Pumps

Vaillant offers a range of air-source and ground-source heat pumps, providing energy-efficient and environmentally-friendly heating solutions for various needs. Their heat pumps utilise renewable energy sources, harnessing the surrounding air and ground temperatures to generate warmth for homes.

One popular option in their lineup is the AroTHERM Air-to-Water Heat Pump. This air source heat pump is known for its power and efficiency, catering to various requirements with different sizes available. The AroTHERM operates even at low outdoor temperatures, offering a reliable and consistent heating solution throughout the year.

Another noteworthy Vaillant heat pump is the flexoTHERM Air Source Heat Pump. The flexoTHERM is highly versatile, capable of extracting heat from either the air, ground or water. With its unique combination of technology and user-friendly functions, the flexoTHERM provides a robust choice for those looking to save on energy costs and reduce their carbon footprint.

For those seeking a hybrid solution, Vaillant's aroTHERM Hybrid Heat Pump incorporates a combination of a gas boiler and air source heat pump. This hybrid system is designed to efficiently manage energy consumption and maximise performance by automatically switching between the gas boiler and heat pump based on the prevailing conditions and demand.

Lastly, Vaillant also offers Ground Source Heat Pumps. These heat pumps draw energy from the ground and utilise it for central heating and hot water production. These systems are incredibly sustainable, with high energy efficiency and minimal impact on the environment.

In conclusion, Vaillant's heat pumps cater to a wide range of user needs with their diverse offerings. These sophisticated heating solutions provide an excellent opportunity for homeowners to embrace renewable energy sources and reduce their environmental impact while enjoying consistent, efficient home heating.

Comparing to Conventional Systems

Vaillant air source heat pumps offer a modern, energy-efficient alternative to conventional heating systems that rely on oil, gas, LPG, or traditional boilers. In this section, we will explore the differences between Vaillant air source heat pumps and conventional systems, focusing on factors such as energy efficiency, environmental impact, and costs.

When it comes to energy efficiency, Vaillant air source heat pumps stand out compared to conventional systems. While traditional boilers have a limited efficiency level, usually around 70% to 90%, air source heat pumps can reach efficiencies of up to 300%. This is because heat pumps transfer heat from the air, requiring less electricity to do so, making them less expensive to operate.

Environmental concerns are another key aspect to consider. Traditional heating systems that rely on oil, gas, or LPG contribute to greenhouse gas emissions and air pollution. In contrast, Vaillant air source heat pumps significantly reduce both emissions and pollution, making them a much more environmentally friendly option. This clean approach to heating ensures homeowners can reduce their carbon footprint while maintaining a comfortable living environment.

Installation costs for Vaillant air source heat pumps can range from £7,000 to £13,000, depending on the specific model and installation requirements. In comparison, conventional systems can have varying installation costs, with gas boilers typically ranging from £2,000 to £4,000, oil boilers from £4,000 to £6,000, and LPG boilers from £1,500 to £8,000. However, it is essential to consider the long-term cost-saving benefits, such as lower energy bills and reduced maintenance costs, to understand the true value of investing in a Vaillant air source heat pump.

In summary, when comparing Vaillant air source heat pumps to conventional heating systems, the key factors to consider are energy efficiency, environmental impact, and costs. With increased efficiency, reduced environmental impact, and potential long-term cost savings, Vaillant air source heat pumps present a compelling option for homeowners looking to invest in a modern, sustainable heating solution.

Financial Considerations

When considering a Vaillant air source heat pump for your home, it's important to evaluate the costs, energy savings, and impact on your fuel bills. This section aims to provide you with a clear and confident understanding of the financial implications of installing a Vaillant heat pump.


The initial cost of a Vaillant air source heat pump can vary depending on the specific model and required heat output. However, it's essential to view this investment in light of the long-term energy savings and potential reduction in your fuel bills. Air source heat pumps are considered one of the most economical and environmentally friendly heating solutions. In fact, for every 1 kilowatt-hour of electricity consumed, a heat pump can generate up to 4 kilowatt-hours of heating energy, effectively providing three for free.

In terms of energy savings, homeowners can expect a reduction in their energy consumption, specifically when compared to traditional heating systems, such as gas boilers. This is especially beneficial for those who are looking to reduce their carbon footprint and can significantly contribute to lower fuel bills in the long run.

For more information on heat pumps, check out our handy 2023 cost guide

It's also worth noting that the UK government offers financial incentives for installing greener heating systems, such as air source heat pumps. Households may be eligible for grants of up to £5,000, further offsetting the initial cost of the heat pump. This financial assistance aims to encourage more homeowners to make the switch to sustainable heating alternatives like Vaillant's aroTHERM plus air-to-water heat pump system.

Various factors contribute to the heat output and performance of air source heat pumps, including the outdoor temperature and the condition of your home's insulation. Fortunately, Vaillant's aroTHERM plus system has been designed to operate efficiently even in temperatures as low as -25°C, ensuring consistent heat output throughout the colder months.

In summary, although the initial installation cost of a Vaillant air source heat pump might seem high, the long-term financial benefits are hard to ignore. By carefully considering these factors, homeowners can make an informed decision when investing in an environmentally friendly, energy-efficient heating solution such as Vaillant's aroTHERM plus system.

Case Studies and Recognition

Vaillant, a well-established brand in the heating industry, has been setting the benchmark for sustainable heating solutions with their air source heat pumps. They have gained international recognition and endorsements for their products, including the Heat Pump Challenge introduced by Kevin McCloud, a British designer and television presenter.

One noteworthy case study involves a Victorian home in Wells-Next-the-Sea. Initially built as three terraced cottages, it was transformed into a single property by Chris Rose and Sarah Wise in 2001. The couple opted for a Vaillant air source heat pump system to provide eco-friendly heating for their family home. This installation helped to significantly reduce both their carbon footprint and heating bills.

Vaillant's expertise was also sought for the SoloHaus development in South Tottenham, London. The company has enjoyed a long-standing collaboration with the Hill Foundation 200, which develops affordable housing and supports multiple charitable causes. Combining their knowledge, Vaillant and Hill created an efficient heating solution utilising air source heat pumps for the SoloHaus project.

Moreover, Vaillant's air source heat pumps have been widely applauded in their homeland, Germany, for their excellent performance in various residential settings. The German HVAC market, renowned internationally for its stringent standards, has adapted Vaillant's products as crucial elements in several domestic heating systems.

In conclusion, Vaillant's air source heat pumps have been showcased across multiple case studies and received recognition for their efficiency and eco-friendliness. With support from industry professionals like Kevin McCloud and adoption in Germany, the company continues to make strides in providing renewable heating solutions for a sustainable future.

Choosing the Right Vaillant Heat Pump

Vaillant offers a range of air source heat pumps, catering to various requirements in power output and flow temperature. When selecting the right heat pump for your home or business, it is vital to examine the specific needs and characteristics of your property.

The aroTHERM plus is Vaillant's next-generation air source monobloc heat pump, widely regarded for its eco-friendliness and efficiency. With cutting-edge technology, aroTHERM plus utilises natural refrigerant, significantly reducing the carbon footprint. Additionally, it can provide hot water up to 70°C, making it suitable for diverse property types.

Another option is the flexoTHERM air source heat pump, ideal for homeowners seeking a renewable heating solution that saves money on fuel bills and lessens environmental impact. The flexoTHERM harnesses energy from the air and when installed by a renewable partner, offers warranties of up to 7 years on parts and labour.

While selecting the appropriate heat pump, power output plays a significant role. Vaillant's aroTHERM models come in different power outputs, including 5, 8, 11, and 15 kW, enabling you to choose an option that aligns with your energy consumption needs.

Efficiency, low noise levels, and recyclability are additional features to bear in mind when evaluating heat pumps from Vaillant. For instance, the aroTHERM plus is known as one of the quietest on the market, whereas the recoCOMPACT exclusive boasts a recyclability rate of 95%.

Given the diversity of heat pump types, do not forget to consider the compatibility of each model with your existing heating system components, such as cylinders. Vaillant heat pumps can often be integrated seamlessly, but it's always advisable to consult with a professional installer for guidance.

In conclusion, to identify the appropriate Vaillant heat pump, assess your property's power output requirements, flow temperature needs, and existing infrastructure. By doing so, you can confidently select a heat pump that contributes towards reduced environmental impact and substantial energy savings.

Additional Components and Accessories

Vaillant's air source heat pump, known as the aroTHERM plus, integrates efficiently and seamlessly to provide warmth and comfort in various environments. This highly eco-friendly system utilises R290 refrigerant with a minimal Global Warming Potential (GWP) of 3. To enhance the system's performance and effectiveness, several components and accessories work together to deliver a reliable outcome.

One indispensable component in the aroTHERM plus system is the outdoor unit, which contains the compressor, outdoor coil, and fans. The compressor plays a crucial part in regulating the refrigerant flow, while the outdoor coil takes in the ambient air's heat, and the fans facilitate heat exchange. The outdoor unit's sleek design allows it to be installed with ease and minimal impact on the aesthetics of a property.

The uniTOWER, a pre-assembled hydraulic unit, complements the aroTHERM plus since it centralises all the hydraulic and electric connections in one compact casing. It offers quick and straightforward installation while ensuring consistent hot water supply and optimal comfort levels. The functionality of the system hinges on the uniTOWER's compact setup, augmenting the aroTHERM plus's sophisticated operation.

To store and provide hot water, the aroTHERM plus system utilises a hot water cylinder. This component ensures a steady supply of hot water for daily use in activities such as showering, laundry, and washing up. The hot water cylinder facilitates energy-efficient storage and reliable access to hot water when needed.

An integral part of the heating system, the aroTHERM plus can be combined with underfloor heating. This modern, low-temperature heating solution disperses heat evenly across vast areas, providing maximum comfort with limited temperature fluctuations. Vaillant's air source heat pump proves to be a compatible match for underfloor heating systems, enhancing the user’s overall experience.

For more traditional heating options, the aroTHERM plus system can work in conjunction with fan coils or radiators, providing a consistent temperature in the living spaces. These modes of heat dispersal ensure precise heat delivery within the property, effectively fulfilling the end user's expectations.

In summary, a variety of additional components and accessories such as uniTOWER, hot water cylinder, underfloor heating, and radiators enhance the performance of the aroTHERM plus air source heat pump system by Vaillant. Combining ease of installation with optimum energy efficiency, these components significantly contribute to this innovative solution's ability to create a comfortable, warm home environment.

Vaillant Boilers


Vaillant boilers are built to be environmentally friendly, with sustainability being a key aspect of their ethos and product line. They are committed to contributing to climate protection targets and are recognised as one of the world's leading manufacturers of eco-friendly heating and cooling technology.

By installing one of Vaillant's high-efficiency boilers, customers can save more than 30% of energy and reduce CO2 emissions by a further 30%. 

The ecoTEC range of boilers is at the forefront of their green revolution, offering premium, powerful, and environmentally conscious heating solutions that are designed to last and provide a good return on investment.

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Frequently Asked Questions

What is the cost of a Vaillant heat pump?

A split air source heat pump by Vaillant, known as the AroTHERM Split Air-To-Water Heat Pump, comes in five different sizes (3.5, 5, 7, 10, and 12kW heat outputs). Though specific cost information is not available for Vaillant heat pumps, air source heat pump installation costs generally range between £3,500 and £5,200 per indoor unit. Ducted systems may cost between £12,000 and £22,000.

Where can I find a user manual?

To find a user manual for a Vaillant heat pump, you can visit the official Vaillant website, locate the specific heat pump model, and download the user manual from the product page. Alternatively, you could contact Vaillant's customer support to request a manual.

Are there any common problems?

While heat pumps from Vaillant are known for their reliability and quality, common problems associated with heat pumps in general may include issues relating to frost buildup, noisy units, or decreased efficiency due to improper maintenance. To avoid or troubleshoot these problems, refer to the user manual or consult a qualified technician.

How reliable are these heat pumps?

Vaillant heat pumps are known for their reliability, quality, and energy-efficient performance. The brand has a strong reputation in the heating and renewable energy sector, making them a solid choice for homeowners seeking dependable solutions.

What are some advantages and disadvantages?

Advantages of Vaillant heat pumps include their environment-friendly nature, energy efficiency, and possible reduction in heating costs. They use 75% natural sources, making them less reliant on electricity. However, disadvantages may include the initial installation cost and potential for reduced efficiency if poorly installed or maintained.

How does it compare to other heat pump types?

Vaillant's air-to-water heat pumps provide a renewable heating solution that uses the environment as the primary energy source. Some alternative heat pump types include air-to-air systems, which heat air directly; ground source heat pumps, extracting heat from the ground; and water source heat pumps, using water as the heat sink. Each type has its benefits and drawbacks, but Vaillant's air-source heat pumps offer a balanced, effective, and eco-friendly option for heating and hot water needs.

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Article by
Stephen Day | Co-founder
Gas Safe registered and FGAS certified engineer with over 20 years experience in the heating and cooling industry.