Will an Air Source Heat Pump Work in Cold Weather?
Published: July 2026
Reading Time: 3 minutes
will an air source heat pump work in cold weather
Introduction
One of the biggest concerns we hear at Lifetime Savings is whether an Air Source Heat Pump will actually keep a home warm when temperatures drop.
It’s a reasonable question, particularly here in the East of England where winter weather can be cold and unpredictable.
The good news is that modern Air Source Heat Pumps are designed to work in cold weather and can provide heating throughout the year when correctly designed and installed.
1. They Use Heat from the Air
An Air Source Heat Pump doesn’t need warm weather to operate.
It takes available heat energy from the outside air and uses electricity to increase that heat to a temperature suitable for heating your home and hot water.
Even when the outside temperature is low, there is still heat energy in the air.
2. Good Design Is Important
Getting the system properly designed for your property is key.
The size of your home, insulation, radiators and heating requirements all need to be considered. This is why a professional survey should always take place before installation.
3. What About Very Cold Days?
Modern Air Source Heat Pumps are designed to continue operating when temperatures fall.
The system may work harder during particularly cold weather, just as any heating system has to, but a correctly sized system should continue providing the heating your home needs.
What Does DESNZ Say?
The Department for Energy Security and Net Zero (DESNZ) continues to support the move towards low carbon heating and publishes research into how heat pumps perform in different types of UK homes.
The important point for homeowners is that performance depends on the property, the system design and how it is operated. There isn’t one expected result that applies to every home.
How Lifetime Savings Can Help
If you’re unsure whether an Air Source Heat Pump would work well in your home, Lifetime Savings can help you find out.
We’ll start with a free eligibility assessment, explain the Government funding that may be available and, if your home is suitable, introduce you to one of our trusted approved installation partners for a professional survey.
Key Takeaways
• Air Source Heat Pumps are designed to work in cold weather.
• Good system design is essential.
• Insulation and the existing heating system can affect performance.
• A professional survey will assess your individual property.
• Government funding may be available through the Boiler Upgrade Scheme (BUS).
Did You Know?
The Boiler Upgrade Scheme (BUS) currently provides a £7,500 grant towards an eligible air to water heat pump installation. For certain eligible off gas grid properties, a higher grant of £9,000 is available for applications properly made from 21 July 2026.
Conclusion
If you’ve been put off an Air Source Heat Pump because you’re worried about cold winter weather, it may be worth looking again.
Modern systems are designed to provide heating throughout the year. The important thing is making sure the system is properly designed for your particular home.
Lifetime Savings can help you take that first step with a free eligibility assessment and guidance on the Government funding that may be available.
Related Articles
- Common Myths About Air Source Heat Pumps
- Can an Air Source Heat Pump Help Reduce My Energy Bills?
- Why a Professional Home Survey Is So Important
- What Happens During an Air Source Heat Pump Installation?
About the East of England Air Source Heat Pump Guide
The East of England Air Source Heat Pump Guide is produced by Lifetime Savings, helping homeowners understand Government funded energy improvements.
We provide free eligibility assessments, explain the schemes that may be available and introduce eligible homeowners to trusted approved installation partners. Our aim is to make the process simple, straightforward and easy to understand.
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