Is an Air Source Heat Pump Right for You? Exploring Costs and ECO4 Grant Eligibility

Air source heat pumps (ASHPs) are rapidly gaining popularity as a sustainable and energy-efficient way to heat and cool your home. But with so many options available, you might wonder if an air source heat pump is right for you. 

This article will explore everything you need to know about ASHPs, including their costs,  disadvantages, and how they compare to ground-source heat pumps.

What are Air Source Heat Pumps?

Air source heat pumps (ASHPs) are innovative heating and cooling systems that extract heat from outdoor air, even in cold temperatures. This heat is then transferred indoors to keep you comfortable. In the summer, the process reverses, pulling heat from your home and releasing it outside. ASHPs are a significant improvement over traditional furnaces and air conditioners, offering several advantages:

  • Energy Efficiency: ASHPs can significantly reduce your energy consumption compared to traditional systems, leading to lower utility bills.
  • Sustainability: Using renewable energy from the outdoor air, ASHPs contribute to a greener environment.
  • Year-Round Comfort: ASHPs provide heating and cooling, eliminating the need for separate systems.

Air Source Heat Pump Cost

The cost of installing an air source heat pump varies depending on several factors, including:

Air Source Heat Pump Cost

  • System size: Larger homes require more powerful ASHPs, which typically cost more.
  • Ductwork: Existing ductwork might need modifications to accommodate the ASHP.
  • Brand and model: Different brands and models have varying price points.

Air source heat pump costs can range from £5,696 to £28,800, with an average cost of £12,820 after considering tax credits and incentives.

Air Source Heat Pumps vs. Ground Source Heat Pumps

While both air and ground source heat pumps are energy-efficient, they have key differences:

  • Heat Source: Air-source heat pumps extract heat from outdoor air, while ground-source heat pumps utilize the constant temperature of the earth below the ground surface.
  • Efficiency: Ground-source heat pumps tend to be slightly more efficient than air-source heat pumps, especially in colder climates.
  • Installation Cost: Ground source heat pumps typically have a higher upfront cost due to the extensive trenching required for underground loops.

Air Source Heat Pump Disadvantages

While ASHPs offer numerous benefits, it’s essential to consider some potential drawbacks:

  • Cold Weather Performance: Efficiency can decrease in very cold climates.
  • Installation Requirements: Existing ductwork might need modifications.
  • Higher Upfront Cost: The initial investment can be higher than traditional systems.

Free Air Source Heat Pump Grant: The ECO4 Scheme

Thinking about switching to a sustainable and energy-saving air source heat pump but worried about the upfront cost? The ECO4 scheme, a government-backed initiative, can be your savior.


ECO4 stands for Energy Company Obligation, and it’s not some alien language – it’s a program designed to help people like you improve their home’s energy efficiency. Under this scheme,  installing an air source heat pump can be completely free of charge if you meet the eligibility criteria.

That’s right,  free heating and cooling for your home while helping the environment! Sounds pretty amazing, doesn’t it?

So, how do you know if you’re ECO4’s next qualifier?

Here’s the lowdown:

  • Are you already receiving certain government benefits? If you’re on a qualifying means-tested benefit, you might be eligible for a free air source heat pump.
  • Does your home need an energy upgrade? ECO4 prioritizes properties with an Energy Performance Certificate (EPC) rating of D or lower. This means your home might lose a lot of heat, making it a prime candidate for a more efficient system.

Considering an Air Source Heat Pump?

If you’re looking for an energy-efficient and sustainable way to heat and cool your home, an air-source heat pump is a compelling option. Weigh the air source heat pump cost against the potential savings on your energy bills and consider  ECO4 grants that might be available in the overall UK.  While there are some air source heat pump disadvantages, the long-term benefits often outweigh them.

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