Last seen: Aug 4, 2025
@batalto, If you do not get rid of the Nest, do not bother to do anything, nothing will make a differance.
@derek-m, you are correct, it is a great shame that the industry, most manufacturers and merchants are training people to install and commission heat ...
@batalto, Ideally, as your house has a relatively low thermal mass, it should be controlled with an internal thermostat connected to the heat pump con...
@batalto A couple of questions what is your heat distribution system? Radiators, under floor Do you have a buffer tank or system separator? What...
@gordonville Both are good units, the Valiant controller is very complicated whilst the Nibe unit is much easier to operate and has a built-in online ...
@batalto Exactly, the nest has no control over the water temperature and there lies the problem. It is like the jester controlling the kingdom. 38 deg...
@ceebee, I know this sounds against all common sense, but I can assure you it works, turn all your radiators in your common areas up full, and only tu...
@derek-m, you are incorrect about oversizing units, most units are inverter and modulate their output, their most efficient point is at approximately ...
@stevebrockie3, If your installers are MCS certified, they have to do a room, by room calculation that takes your current build, insulation levels, ve...
@batalto, You are mistaken, if you are using a Hive thermostat, you do not have modulating weather compensation, you may have weather compensation ena...
@batalto, Unfortunately you will find your actual COP (or SCOP) will be very different and significantly lower than your predicted level, there are 2 ...
Hi All I am an installer who has been installing both ground and air source units for over 20 years. I am not here to sell, I am here to help and di...
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For the Heat Pump, back in 2023 I only managed...
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@damon thanks. I will do as you suggest. Hopefully I wi...
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RE: Help me keep the faith with my air source heat pump installation
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RE: Midea ASHP – how to set weather compensation
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
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RE: Failing heat pump system - seeking thoughts on a rebuild
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RE: COP is not the only measure of efficiency
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