How are air source heat pumps installed?

Air source heat pumps are becoming increasingly popular as an energy-efficient heating solution for homes. These systems take heat from the outside air and use it to warm indoor spaces and provide hot water. Let’s take a look at the key steps in air source heat pump installation.

Site assessment

The first step in installing an air source heat pump is a thorough site assessment. A qualified installer will evaluate your property to determine the best location for the outdoor unit. They will consider factors such as the available space and proximity to windows. According to the BBC , the unit needs to be at least one metre from your neighbour’s property.

Preparation and groundwork

Once the site is chosen, preparatory work begins. This may involve creating a concrete base or wall brackets to support the outdoor unit. The installer will also plan the route for refrigerant pipes and electrical connections between the outdoor and indoor components.

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Installing the outdoor unit

The outdoor unit is the heart of the air source heat pump system. It is typically placed against an external wall with sufficient clearance for airflow. The unit is securely mounted on its prepared base or brackets, ensuring it is level and stable.

Indoor component installation

Next, the indoor components are installed. This usually includes a hot water tank for storing heated water and, in some cases, a buffer tank to improve system efficiency. The installer will connect these to your existing pipework and may need to modify or replace radiators to work effectively with the heat pump system.

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Connecting the system

The installer will then run refrigerant pipes and electrical connections between the outdoor and indoor units. This involves drilling holes through walls for the pipework and ensuring all connections are properly insulated and weatherproofed.

Final checks and handover

The installation concludes with final checks and adjustments. The installer will provide documentation, including warranties and operating instructions. They should also offer guidance on how to get the most out of your new heating system.

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