Costs, savings and maintenance
The costs for fitting a typical domestic system range from £6,000 to £10,000 including installation. Running costs vary depending the size of your home and how well insulated it is. Currently you can get a one off payment of £850 from the government through the RHPP scheme to contribute to your installation costs.
Costs & Maintenance
Heat pumps typically come with a 10 year warranty and should be expected to run for at least 20 years. You should check your system every year and arrange to have a professional installer inspect it every 3-5 years.
Heat pumps need electricity to run the fan and pump, but the heat they extract from the air is more than the energy that they use to capture it.
You should leave your heat pump on all the time during the winter as this will make it much more efficient at capturing heat.
In the right home the savings can be considerable. The Energy Saving Trust estimates that when replacing an existing electric heating system in a 3 bed semi detached home you could save up to £610 per year, even before any contribution from the Renewable Heat Incentive.
- Do air source heat pumps come with a warranty?
- Most air source heat pump installations include warranties for parts and labour. You should check your quote or the pump's product details to find out how long that model's warranty is.
- Will an air source heat pump provide enough hot water for heating and hot water?
- If you do not heat your water beyond 55°C and your system has been correctly scaled and fitted for your needs there is no reason why all your domestic hot water requirements shouldn't be provided by the air source heat pump throughout the year. It should be noted that heat pumps produce water at a lower temperature than boiler systems, meaning that you will need larger radiators or an underfloor heating system or the pump to heat your house effectively.
- What properties are not suitable for an air source heat pump installation?
- Air source heat pumps are not suitable for use in houses where the levels of insulation are not known and where the age and type of the heating distribution system (radiators and pipes) is unknown. Because they produce hot water at a lower temperature than conventional boilers they are particularly suited to house with under-floor heating.
- How many air source heat pumps would I need for a large building?
- This depends on the model that you choose, however if you home is well insulated you will need fewer heat pumps to maintain the same temperature level. Your installer will be able to advise you on exactly how many you will need.
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