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Air source heat pump circuit diagram (house circuit diagram in this series, all circuit diagrams have the same view/angle/perspective, easy to combine).

For domestic customers installing new heat pump air conditioning systems, VAT rates of 5% are available, while new domestic projects are available at 0%.

Heat pump performance and efficiency ratings. The performance and efficiency of a heat pump can be evaluated using COP – Coefficient of Performance

Air source heat pumps are not only energy efficient and convenient, but when used to cool the air, they can also act as highly efficient dehumidifiers.

What is temperature delta? The temperature difference, also known as Delta T, DT, flow/return, is an extremely important aspect of heat pump performance.