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Last seen: Mar 16, 2026
Oversize unit: it may cycle in and off more on low output, as the heating load might be below the minimum turn down capacity of the unit. That will co...
As Osiwu says, short circuiting of the evaporator airflow, where the discharge air ends up back at the coil inlet face, will reduce performance. But t...
Really sorry to read this @jswhite. 16kW is a large unit for 120m2 heated area, especially if you usually have diversity and only some rooms heated. Y...
The HIVE main thermostat overrides steady ASHP control if it's switching on and off. You can tell if it is from the HIVE app temperature graph. The HI...
Welcome! I have a similar sized house, EPC C, 1992, 4 bed detached. Formerly CH and HW from Kerosene, which was actually cheaper per kWh than mains ga...
Condensate drains could have been routed through the concrete pad to drain into the hardcore substrate underneath. A 50mm core cutter would have made ...
@editor I got the same, but for my mother's retirement flat, which is an account in my name. She only has electricity available to her. Her daytime ta...
The Grant/Chofu ASHP controller does not show if Weather Compensation is enabled or not from the 'home screen' display, you need to enter installer le...
I've tried running 24/7 with 18degC general space temperature. Lounge is boosted with a log burner the trickles heat upstairs too. It has been very co...
@bn06amp I'm afraid I can't spot it either there! It depends on where it is on the circuit, you don't need a bypass on the primary (ASHP) side with a ...
@bn06amp that's all encouraging. The Grant pre-plumbed cylinder has an auto bypass, and Grant show it on their recommended installs. They are designed...
Hi @parmstar Have you any final % payment agreed upon receipt of installation documentation? What has the installer said regarding timely supply of MC...
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RE: Rate the quality of your heat pump design and installation
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Got myself in a pickle. I have two types of plugs, but ...
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@jamespa Great, thanks - I've had a quick look at the a...
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: ispookie666 Manufacturer: Vaillant Mo...
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