What Is Air Source Heat Pump?
A plain-English explanation of Air Source Heat Pump — what it means, how it works, and why it matters for your home energy.
Definition
A heat pump that extracts heat from outdoor air and transfers it inside your home
Air Source Heat Pump Explained
An air source heat pump (ASHP) works like a fridge in reverse - it extracts heat from outdoor air even at temperatures as low as -20 degrees C. ASHPs are cheaper to install than ground source (£7000-£15000) and qualify for the £7500 BUS grant.
How Air Source Heat Pump Works
- 1. Fan draws outside air over an evaporator coil containing refrigerant
- 2. Refrigerant absorbs heat and evaporates to gas
- 3. Compressor increases gas pressure and temperature
- 4. Hot gas passes through condenser releasing heat to home's water circuit
Air Source Heat Pump — Pros & Cons
| Pros | Cons |
|---|---|
| Reduces energy bills | Upfront installation cost |
| Lowers carbon emissions | May require property modifications |
| Government grants available in Wales | Performance varies by property |
| Increases home comfort | Requires qualified installer |
| Can increase property value | Payback takes several years |
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What is Air Source Heat Pump?
A heat pump that extracts heat from outdoor air and transfers it inside your home
How does Air Source Heat Pump work?
An air source heat pump (ASHP) works like a fridge in reverse - it extracts heat from outdoor air even at temperatures as low as -20 degrees C. ASHPs are cheaper to install than ground source (£7000-£15000) and qualify for the £7500 BUS grant.
What are the benefits of Air Source Heat Pump?
The main benefits include lower energy bills, reduced carbon emissions, and increased home comfort. Many Welsh homeowners also benefit from government grants through schemes like Nest, Warm Homes Programme Wales, and ECO4.
Is Air Source Heat Pump available in Wales?
Yes. Air Source Heat Pump is available across Wales. Welsh homeowners may qualify for grants to help cover installation costs. Check your eligibility for free.
How much does Air Source Heat Pump cost?
Costs vary depending on system size and property type. The best way to get an accurate price is to request a free quote from MCS-certified installers in your area.