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Last seen: Oct 19, 2026
We need to look at this more closely, all the more so given your heat pump was installed this April. If it means exactly what it says, it won't be rep...
I take it that is the desired indoor air temperature. If so, it raises a question mark as MCS (the official (though some say clownish) body that overs...
@toodles - my TRVs do the same thing, when fully open and fully screwed into place, they partly close the valve. Shocking design. If I screw the valve...
@econonsense - the heat loss is an essential part of the design process, it is used to determine the size of heat pump. I should mention in passing th...
@econonsense - that doesn't sound right at all. Can you give more details - size and make and model of heat pump, installation details, heat loss calc...
First defrost cycle of the new heating season (LWT drops below RWT): Note also how the 60min trailing COP drops from about four 12 hours earli...
It is not either or, you can use both weather compensation and a timer. In my case, I have a fully open system (all TRVs always fully open, rads bal...
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Degrees of Separation
Latest Posts
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First you need to know how much thermal energy you'll n...
By bobflux , 1 hour ago
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RE: How quickly would you want/expect heat recovery to take from setback?
@toodles Ah, that makes sense. Your using the TRV bo...
By Singlespeed , 1 hour ago
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RE: Renewables & Heat Pumps in the News
Yes, energy seems less of a priority, even if the cost ...
By Batpred , 2 hours ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
Come for the low-carbon homes. Stay for George Clarke’s...
By Mars , 1 day ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@razz, as we head into the heating season, I just wante...
By Mars , 1 day ago
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RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
By Temperature_Gradient , 3 days ago
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RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 3 days ago
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RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 3 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
By Toodles , 3 days ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
...or it was there and was lost thanks to laziness and ...
By Majordennisbloodnok , 3 days ago
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Bufferless design & control of Chinese air to water monoblock hybrid heat pump in Alberta, Canada
This post is about how I successfully configured a buff...
By Tony.Stolz , 3 days ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 4 days ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Thats true only if you do the wrong experiment. Done c...
By JamesPa , 4 days ago
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