As the world gravitates towards renewable energy sources, commercial spaces and landlords in the UK are increasingly turning to innovative solutions like air source heat pumps to meet their energy needs.

These pumps are not only efficient but also cost-effective, providing a sustainable alternative to traditional heating systems. Let’s delve into the world of air source heat pumps and uncover their key benefits, including energy- and cost-saving features.

Would you like to speak to a professional renewable energy installer directly? We can help you with expert suggestions, in-depth information, and quality installation services. Call 01442 832202 or email today.

What Are Air Source Heat Pumps?

Air source heat pumps (ASHPs) are renewable energy systems that extract heat from the outside air, even when temperatures are as low as -20°C. These systems work by absorbing heat from the air and transferring it to a refrigerant, which is then compressed to increase its temperature.

The heat is then used to warm up water for heating purposes or as part of a warm air system for heating spaces.

How Do Air Source Heat Pumps Work?

The key to understanding how air source heat pumps work lies in their components: an evaporator, a compressor, a condenser, and an expansion valve.

The process begins when the evaporator absorbs heat from the outside air. This heat is then transferred to the refrigerant inside the evaporator. The compressor then increases the pressure of the refrigerant, which in turn increases its temperature.

The condenser then releases this heat into the property’s heating system. Finally, the expansion valve decreases the pressure of the refrigerant, allowing it to return to the evaporator to begin the process again.

How Do Air Source Heat Pumps Save Energy And Costs?

1. Efficient Conversion

Air source heat pumps use electricity to power a compressor and refrigeration cycle, transferring heat from the outside air to indoors. This process is highly efficient, as it generates more energy in the form of heat than the electricity consumed.

In fact, for every unit of electricity used, ASHPs can produce up to three units of heat, making them a cost-effective heating solution.

2. Lower Operating Costs

ASHPs generally have lower running costs compared to traditional heating systems (like gas boilers) due to their high efficiency.

Moreover, since they rely on renewable energy sources (the heat in the air), they are less susceptible to fluctuations in fuel prices. This ensures more stable long-term costs for the user.

3. Reduced Carbon Footprint

By using renewable energy, ASHPs produce fewer greenhouse gas emissions than fossil fuel-based heating systems. This makes them a greener choice for both residential and commercial properties, helping to lower overall carbon emissions and contribute to a more sustainable future.

What Are Some Other Benefits Of Air Source Heat Pumps?

Now, saving energy and costs is not the only benefit that air source heat pumps bring to your life in Hemel Hempstead. There are more, and they are only as crucial (if not more):

1. Government Incentives

In the UK, the government offers incentives like the Renewable Heat Incentive (RHI) to encourage the adoption of renewable heating technologies, including air source heat pumps. These schemes provide financial support to property owners, making it more affordable to install and run ASHPs.

2. Longevity And Maintenance

ASHPs typically have longer lifespans than traditional heating systems, which can save money in the long run. Additionally, they require less maintenance since there are no combustion processes involved, reducing the need for regular servicing and repair costs.

3. Zoning And Control

Air source heat pumps can be combined with smart zoning systems. This results in different areas of a property being heated independently. It can help save energy by only heating the areas that need it, further reducing overall energy consumption and costs.

4. Versatility

These heat pumps can provide both heating and cooling, offering year-round comfort. This versatility means property owners can rely on a single system for all their heating and cooling needs, streamlining maintenance and potentially reducing costs associated with multiple systems.

5. Futureproofing

With the UK government’s push towards Net Zero by 2050, ASHPs are considered a future-proof heating solution. By investing in this technology now, property owners like you can ensure their properties are aligned with future regulations and environmental standards. This also helps avoid costly retrofitting in the future.

How Can Gas Tech Heating Help?

Gas Tech Heating, a renowned team of Gas Safe registered engineers and renewable energy installers based in Hemel Hempstead, specialises in the installation and maintenance of air source heat pumps.

With our expertise and commitment to quality, our team can help commercial spaces and landlords transition to more sustainable and cost-effective heating solutions.

Air source heat pumps look like air conditioning units and will likely be fixed to an external wall of your property. If you want more insights from our experts, call us on 01442 832202 now. We will discuss your requirements and give you a tailored and itemised quote for the job.


Air source heat pumps are a practical and efficient solution for properties in the UK looking to reduce their energy consumption and costs. By harnessing renewable energy from the air, these systems not only provide an eco-friendly alternative but also offer significant savings in the long run.

With Gas Tech Heating’s expertise and 40+ years’ combined experience, the transition to air source heat pumps is made seamless, ensuring a sustainable and comfortable environment for all. Contact us today to get started.