Air source heat pumps (ASHPs) are quickly becoming a popular choice for homeowners in the UK who want to save energy and reduce their carbon footprint.
These systems work by transferring heat from the outside air into your home, providing an efficient and eco-friendly alternative to traditional boilers.
But did you know that pairing an air source heat pump with solar PV panels can take your energy efficiency to the next level? Or that a proper heat loss survey and system design are critical to ensure your ASHP works optimally?
In this guide, we’ll cover everything you need to know about heat pumps in the UK and their benefits with professional design.
How Do Air Source Heat Pumps in the UK Work?
At its core, an air source heat pump moves heat from the outside air into your home, even when temperatures drop as low as -15°C. Here’s a simple explanation of the process:
- The system draws in outdoor air and uses a refrigerant to absorb its heat.
- This heat is compressed, increasing its temperature.
- The heat is then transferred to your home’s heating system—like radiators or underfloor heating—or used to provide hot water.
Unlike traditional boilers, ASHPs don’t burn fuel to create heat, making them far more energy-efficient and environmentally friendly.
You can find out more information about how heat pumps work but reading our other blog post.
Pairing Air Source Heat Pumps with Solar PV

One of the best ways to maximize the efficiency of your ASHP is by pairing it with solar PV panels.
why this combination is so powerful:
- Lower Energy Bills: Solar panels generate energy from the sunlight, which can be used to power your heat pump and lower your energy costs.
- Increased Efficiency: Because ASHPs already produce more heat energy than the electricity they consume, using free solar power further increases your savings.
- Eco-Friendly Heating: Together, ASHPs and solar PV make your home almost entirely powered by renewable energy.
Pairing heat pumps in the UK is especially beneficial under the Boiler Upgrade Scheme (BUS), as you can receive up to £7,500 in grants to offset the installation costs of your ASHP.
The Importance of Heat Loss Surveys and System Design
For an air source heat pump to work effectively, it’s essential to carry out a heat loss survey and create a tailored system design before installation.
Why is a Heat Loss Survey Important?
A heat loss survey measures how much heat your property loses through walls, windows, doors, and other areas. This information helps determine:
- The right size of ASHP for your home.
- Whether any insulation upgrades are needed.
An undersized or oversized heat pump won’t work efficiently, leading to higher energy bills and reduced comfort.
The Role of System Design
Once the heat loss survey is complete, the next step is to design a system tailored to your property. This includes:
- Choosing the right emitters (radiators or underfloor heating).
- Integrating the ASHP with your hot water system.
- Designing zones for optimal temperature control.
With a professional design, your ASHP will operate efficiently, keeping your home warm and your energy bills low.
Why Choose an MCS-Accredited Installer?
Using an MCS-accredited installer for your air source heat pump is essential. Here’s why:
- Guaranteed Quality: MCS certification ensures your ASHP is installed to the highest standards.
- Eligibility for Grants: To qualify for the Boiler Upgrade Scheme, your installation must be completed by an MCS-accredited professional.
- Optimized Performance: Proper installation maximizes the lifespan and efficiency of your ASHP.
At Transcrew Heating & Cooling Technologies Ltd, we’re proud to be MCS-certified, offering expert design and installation services to ensure your system delivers the best results.
Is an Air Source Heat Pump Right for You?
Heat pumps are ideal for homes of all sizes, particularly when paired with solar PV panels and good insulation. Whether you’re upgrading an older property or installing a system in a new build, an ASHP can significantly reduce your energy costs and environmental impact.
By investing in professional design, installation, and renewable energy technology, you’re future-proofing your home for a greener, more sustainable future.
Ready to Upgrade Your Boiler – Receive a £7500 Boiler Upgrade Grant?
At Transcrew, we specialize in designing and installing air source heat pumps across the UK. From conducting heat loss surveys to creating customized system designs, we ensure your ASHP is perfectly suited to your home.
Contact us today to learn more about pairing your ASHP with solar PV or to take advantage of the Boiler Upgrade Scheme. Let’s create a more efficient and eco-friendly home together.
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