How to choose a new heating system

Compare your options and understand what to consider when replacing your heating system

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Choosing a new heating system depends on your home, existing heating system, budget and heating needs. Options include air-to-water, ground-source, hybrid and air-to-air heat pumps, as well as traditional heating systems. In this guide, we explain how the main heat pump options work, where they may be suitable and what to consider when replacing your heating system.

Air-to-water and ground-source heat pumps

Heat pumps come in different types and configurations, including air-to-water and ground-source heat pumps, which can operate at different temperature levels.

They use up to 75% renewable ambient heat from sources such as the air or ground and connect to emitters to provide heating, cooling and hot water. Different options are available to suit different homes and heating requirements. For example, high-temperature air-to-water heat pumps can be suitable for some older homes that use radiators.

Hybrid heat pumps

Hybrid heat pumps combine existing gas or oil boilers with heat pump technology, switching automatically between the two according to factors such as outdoor temperature, heating demand and system settings.

You can combine them with a range of emitters to provide heating, cooling and hot water. They're a great option for boiler replacements, letting you keep your existing boiler while adding heat pump efficiency.

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Air-to-air heat pumps

Air-to-air heat pumps, also known as air conditioners, can provide heating and cooling, with some systems also offering air purification features. Easy to install and cost-effective, they work in any kind of home, old or new, detached, terraced or apartment.

Single- and multi-split configurations are available. Depending on the system, several indoor units can be connected to one outdoor unit. Some systems can also be connected to a domestic hot water tank.

Which heating system is right for your home?

Whether you want to get rid of fossil fuels or take the first steps to reducing your dependence, there are several factors to consider. Think about cost, sustainability, durability and efficiency. The different heat pump solutions may suit different homes and heating needs:

Air-to-water heat pumps: A suitable option for homes with radiators or underfloor heating, providing heating and, depending on the system, hot water and cooling.
Ground-source heat pumps: Use heat from the ground and can provide heating and hot water, but require suitable outdoor space for the ground collector or boreholes.
Hybrid heat pumps: Combine heat pump technology with an existing gas or oil boiler, allowing you to retain your boiler while adding heat pump technology.
Air-to-air heat pumps: Provide heating and cooling and can be suitable for different types of homes, including apartments and houses.

Finding the right solution to replace your system might seem daunting, so talk to an installer about the options.