An air source heat pump (ASHP) is a system that extracts heat from the outside air (even in cold weather) and transfers it indoors to provide heating and hot water.

It works like a refrigerator in reverse: 1. The pump absorbs heat from the outside air into a refrigerant. 2. The refrigerant is compressed to increase its temperature. 3. The heat is transferred to your home’s heating system (radiators, underfloor heating, or hot water tank). 4. The refrigerant cools and repeats the cycle.

Yes. Modern ASHPs can extract heat from the air at temperatures as low as -15°C to -25°C, although efficiency decreases in very cold conditions.

ASHPs are typically 300–500% efficient (COP 3–5). That means for every 1 kWh of electricity used, they produce 3–5 kWh of heat.

You’ll get the best performance if your home: • Is well insulated and draught-proof • Has underfloor heating or large radiators • Has space outside for the unit with good airflow Our professional survey can confirm suitability.

• Air-to-water: Heats water for radiators, underfloor heating, and hot water. • Air-to-air: Heats (and cools) air directly, similar to an air conditioner.

• Installation cost: £7,000–£14,000 (UK average) • Running costs: Often cheaper than oil or electric heating, slightly higher than gas (depending on tariffs). • Maintenance: Around £150–£250 per year.

• Uses renewable energy from the air. • Can cut CO₂ emissions by 40–70% compared to fossil fuel heating. • Works well with solar PV to reduce electricity costs further.

Yes. Pairing with solar PV or home batteries can make your system even more energy-efficient and reduce grid dependency.

• Clean filters and outdoor unit (remove leaves/debris) • Annual service by a qualified engineer • Check refrigerant levels and performance

In the UK there are incentives such as: • UK: Boiler Upgrade Scheme (BUS) – up to £7,500 grant.

Modern models are relatively quiet (typically 40–60 dB), similar to a refrigerator or quiet conversation. Proper installation reduces noise further.

With regular maintenance, the lifespan is typically 15–20 years.

Yes — for most homes. However, in older or poorly insulated properties, you may need supplementary heating or upgraded radiators.