
What makes us different
Advice grounded in real heating experience
We've spent more than 25 years working across plumbing and heating systems. That gives you practical guidance, not guesswork, when you're weighing up a heat pump.
Accreditations that actually matter
Our MCS status shows we meet recognised standards for renewable heating installations. We understand the full system around your upgrade.

Helping Chorley switch to renewable heating
At A Mellor Plumbing & Heating Services Limited, we specialise in the installation and maintenance of air-source heat pumps in Chorley. We aim to help our customers reduce their carbon footprint and reliance on fossil fuels. Air-source heat pumps are a genius bit of kit. They transform the energy from the air outside and use this to heat your home. Our team of renewable energy experts is on hand to answer any questions you may have.
We not only supply heat pumps that use air as a source in Chorley, but we also offer a specialist installation service. Our engineers have many years of experience and hold the highest possible industry qualifications. We tailor our services to meet our customers’ needs and aim for as little disruption as possible.
We only use the highest-rated parts and materials, which ensure that our work lasts. As a business, we operate with 3 main core values: honesty, transparency, and exceptional customer service.
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Understanding how air source heat pumps work
1. Absorption of Air: The ASHP gathers outside air, then uses it to heat a refrigerant, which has a low boiling point and converts the air to a gas at low temperatures.
2. Compression: The ASHP then compresses refrigerant gas, which significantly increases its temperature.
3. Heat Transfer: The compressed gas is then passed through a heat exchanger, which transfers the heat to your home’s heating system, which then uses this energy to heat your home, whether it’s radiators, underfloor heating, or warm air convectors.
4. Condensation: After the heat is released, the refrigerant becomes liquid, and the cycle repeats.
This process is extremely efficient and can operate at temperatures as low as -15°C, ensuring your home stays warm and cosy even during the coldest winter months.
Your local air source heat pump specialists
At A Mellor Plumbing & Heating Services Limited, we actively promote renewable energy solutions. We are committed to delivering eco-friendly heating options that not only benefit our customers but contribute to a greener future. We always aim to help our customers reduce their carbon footprint while saving money on their heating bills. We specialise in sustainable energy solutions, such as air-source heat pumps and solar PV. Our passion is reflected in the many reviews we receive on Trustpilot.com.
As a family-run business, we have proudly served the Chorley community and the wider Lancashire area for over 20 years. Our goal is to provide high-quality plumbing and heating services that don’t break the bank. We monitor our competitors to ensure our prices are in line with the industry standard.
Our team of skilled engineers is highly trained and possesses years of invaluable experience. At A Mellor Plumbing & Heating Services Limited, we all share a commitment to meeting and surpassing our customers' expectations. We are proud to be Worcester Bosch accredited installers, meaning we only use the best materials and equipment that meet our very high standards. From leaky taps to major installations, our expert team is with you every step of the way.
Why choose an air source heat pump?
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Lower heating bills: ASHPs are up to 4 times more energy-efficient than conventional heating systems, which can result in reduced heating bills, especially if you are replacing conventional gas, electric, oil, or LPG heating systems.
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Reduced carbon footprint: By utilising renewable heat from the environment instead of relying on fossil fuels, you can significantly reduce your home's carbon emissions.
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Versatility: ASHPs provide heating during the winter; this process can be reversed to offer cooling during the summer months.
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Low maintenance: When compared to a traditional heating system, ASHPs require very little maintenance, making them a hassle-free heating solution. Being Worcester Bosch-accredited installers, our team guarantees optimal performance with every installation.
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Longevity: ASHPs are known for their long lifespan. In most cases, they will exceed 20 years with proper maintenance.

