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Air Sourced Heat Pump.

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A person today that I was talking to, that has had a new build home which was required by building regs. to have an air sourced heat pump for heating and hot water, complained that the system was slow to heat or cool as required. He said that he had to have underfloor heating installed. It was slow to warm the rooms on cold days. He recently had the system set to cool the rooms on the very hot recent days. But this morning was cooler and he required heating. Is this normal?


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    AJJewsbury: 
     Damned if I can work out why a gas fitter is required!?

    My best guess is that they're thinking of the refrigerant pipework between the indoor and outdoor units - as it's likely to contain vapour as well as liquid phase refrigerant is possibly more suitable to those familiar with gas methods than the traditional if-it-drips-then-tighten-it-up approach.

    Yes, but as I said, that requires an air-con engineer. Some years ago an air-con supplier refused to sell me some equipment because I was not registered. Nowadays, I dare say that I could get it on eBay. As I understand it, the equipment comes pre-charged and the refrigerant can escape only when the pipes are coupled together.

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    AJJewsbury: 
     Damned if I can work out why a gas fitter is required!?

    My best guess is that they're thinking of the refrigerant pipework between the indoor and outdoor units - as it's likely to contain vapour as well as liquid phase refrigerant is possibly more suitable to those familiar with gas methods than the traditional if-it-drips-then-tighten-it-up approach.

    Yes, but as I said, that requires an air-con engineer. Some years ago an air-con supplier refused to sell me some equipment because I was not registered. Nowadays, I dare say that I could get it on eBay. As I understand it, the equipment comes pre-charged and the refrigerant can escape only when the pipes are coupled together.

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