Heat Pump Services
Hybrid Heating Systems
A lower-barrier step into heat pump heating. Keep your boiler, add a heat pump, and let smart controls run the cheapest, cleanest option at any moment. Ideal for older homes.
MCS-Certified Installers
Grant eligible installs
£7,500 BUS Grant
Applied to your quote
0% VAT
On qualifying work
Local Engineers
Northamptonshire based
Why choose a hybrid system?
A full air source heat pump is the right answer for most homes, but not every property is ready for one, and not every household wants to take the full step in one go. A hybrid system bridges that gap. It is a particularly good fit for:
- Older or period properties where insulation is hard to improve.
- Homes with high heat demand on the coldest days, where a boiler backup adds confidence.
- Households that want to cut carbon and bills now without replacing a working boiler.
- Properties where upsizing every radiator for a full heat pump would be costly.
- Buyers who want a lower upfront price as a first move toward low-carbon heating.
How the switching works
The clever part of a hybrid is the control logic. On a mild autumn day the heat pump runs alone, quietly and efficiently. As the temperature drops and the heat pump becomes less cost-effective, the controls hand over to the boiler for the coldest hours, then switch back. Many modern hybrid controllers also factor in real-time energy prices, so if electricity is cheap relative to gas the heat pump runs longer. You do not manage any of this. The system optimises itself.
Costs and savings
Hybrid installations start from around £5,500 because the heat pump can be smaller, the existing boiler stays, and radiator upgrades are often unnecessary. Running costs land between a full heat pump and a standalone boiler, and carbon emissions typically fall by 40 to 70 percent depending on how the system is set up and your property. Bear in mind that because a fossil fuel boiler is retained, hybrids generally do not qualify for the £7,500 Boiler Upgrade Scheme grant, though 0% VAT still applies.
Is a hybrid right for you, or a full heat pump?
We will give you a straight answer. For many Northamptonshire homes a full air source heat pump with the £7,500 grant works out better value over time. For others, a hybrid is the sensible, affordable route. The deciding factors are your insulation, your radiators, your budget and how cold your home gets. Our survey settles it with data rather than guesswork. Not sure where you stand? Start with is my house suitable for a heat pump?
Frequently asked questions
How does a hybrid heating system work?
A hybrid system pairs an air source heat pump with your existing gas, oil or LPG boiler. Smart controls run the heat pump for most of the year, when it is the cheaper and lower-carbon option, and call on the boiler only during very cold spells or for a rapid hot water boost. The system automatically switches based on outside temperature and energy prices to keep running costs down.
Is a hybrid system cheaper than a full heat pump?
The upfront cost is usually lower because the heat pump can be smaller, you keep your existing boiler, and radiator upgrades are often unnecessary. Hybrid installations typically start from around £5,500. Running costs sit between a full heat pump and a boiler, and you still cut carbon emissions significantly.
Is a hybrid system eligible for the BUS grant?
Boiler Upgrade Scheme rules favour full heat pump installations, and hybrid systems that retain a fossil fuel boiler generally do not qualify for the £7,500 grant. They do still benefit from 0% VAT. We will tell you honestly during the survey whether a full system or a hybrid makes better financial sense for your home.
Related pages
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