Heat Pumps Frequently Asked Questions

How does it work?

Air source heat pumps (ASHP) are inverter driven heat pump compressors which convert energy from the air and upgrade it to higher temperatures suitable for heating.

The heat pump is a self contained unit which only requires water and electric connections. It operates on a single phase power supply and has a low starting current of 5 amps.

The heat pump works similarly to any domestic refrigerator, which uses a vapour compression cycle. It’s main components are the compressor, the expansion valve and two heat exchangers (an evaporator and a condenser).

Where is the Heat Pump fitted?

They are usually fitted outside a house, out of immediate view.

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