Installation of Air Source Heat Pumps
To be able to install an air source heat pump you will need outside space on a wall to mount the Air Handling Unit. An MCS (Microgeneration Certification Scheme) accredited installer will be able to ensure that you qualify for the Renewable Heat Incentive and RHPP.
Air source heat pumps do make a noise, so consider this when siting your unit. It is wise to check the decibel rating of your unit or find a model with a cover.
Installation is generally much more simple than other types of heat pump, however it is worth considering how the system will integrate with your existing heating system.
There are other types of heat pump which draw heat from different sources and which may also be suitable for your home:
- Ground Source Heat Pumps: They draw heat from the ground and are capable of producing more heat but you must have outside space for the ground loop.
- Water source heat pumps: This is very similar to a ground source system except that the ground loop is immersed in water, such as a lake or river.
- MVHR (Mechanical Ventilation and Heat Recovery): Often called MVHR (mechanical ventilation and heat recovery) these recover the heat from air leaving your home via vents. This is most effective in more air-tight homes.
You will need to consider the following:
- Locating your Air Source Heat Pump: You will need an outside space to put the unit, which has a good airflow and is ideally sunny. It can be wall mounted or placed on the ground.
- Home Insulation: Air pumps produce heat at a lower temperature than normal systems and are therefore not as efficient if your house loses heat quickly. They work best when your home is well insulated.
- Replacement System: If you are replacing an oil or solid fuel heating system the heat pump will make a significant saving, but they are not much more efficient than a gas system. This means that heat pumps are not recommended for homes on the gas network.
- Heat Distribution system: As they operate at lower temperatures they are most effective when the heat is distributed into your home through under floor heating or large radiators.
- Building Projects: If you are considering an extension or other building project, it will be much cheaper to add your heat pump at the same time.
This will be very variable and dependent on the size of the system. It is a good idea to combine it with other building work, and as such it will be dependent on this also.
Always use an MCS accredited installer: We will only put you in touch with installers that are MCS accredited. Only MCS accredited installers are able to sign off installations that will comply with the government’s Renewable Heat Incentive and RHPP scheme.
- What is an air source heat pump?
- An air source heat pump is a renewable heat system that provides hot water to your home. It does this by capturing the heat from the air outside your house, concentrating it and using it to heat your water.
- How much noise do air source heat pumps generate?
- Most modern air source heat pumps are fairly quiet. The noisy part is the air handling unit, which makes a similar level of noise as an air-conditioning unit. The heat pump itself, which is often installed inside, makes a noise too, but this is typically no more than the noise of a fridge.
- Where in my house should an air source heat pump be installed?
- The bulkiest component of an air source heat pump is the air handling unit, which must be fitted outside. The unit can be fitted on an outside wall, but some designs allow this to be fitted some way away from the home, as far as 20-30 meters. The heat pump needs to be in or on the house and typically this is where the essential components are housed.
- How much hot water is produced each day by an air source heat pump?
- This will depend on the make and model of air source heat pump that you're planning to use, but a well chosen pump should be able to meet all of your heating needs. You should aim to get advice from at least one well accredited installer when choosing a model.
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