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Last seen: May 19, 2026
Absolutely. Dont use it! Seriously Nest, like other smart thermostats (other than Homeley, Havenwise, Adia), are wholly unsuitable for heat pump co...
Hi Thanks for the extra info, it helps with the picture Just to confirm what is the make up of the downstairs flooring/insulation (you speak of su...
@trebor12345 As you can see the community is discussing ideas on how you might best control this system. I have been reading the user manual. You h...
I didn't know about that history. With the modern trend towards retrofitting UFH this means that we can expect a whole slew of failed heating install...
@bontwoody Given your experience from your previous house and given op has a 8kW heat pump for possibly a 2.5- 3.5kW house which takes 18hrs to co...
Thats really helpful. The plot produced is odd and to me smacks of flow temp reduction triggered by a control not by defrost. The temperature soon r...
Good. No need to apologise, despite the fact that the principles of heating are extremely simple, the wide variety of houses and the constantly varyi...
All noted. I can see whats happening but the drop in FT appears to occur just before the start of the plot and the onset of defrost, so is not obvio...
The problem is that you need to modulate down to <1kW because thats where the temperature sits most of the time. You wont find a heat pump or a bo...
Whatever you are experiencing in terms of house temperature is not, IMHO, going away 'simply' by getting another heat pump, and is likely to get even ...
I am far from convinced this will fix the problem because there isnt much out there < about 4kW, so not that much difference. I think there is a ...
Yes, but the lowest power heat pump you will get is ~5kW, so its still going to be cycling. A boiler will be much worse. Thus getting to grips with ...
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RE: UK warm homes plan - how can it be delivered?
Agree it could sometimes be self inflicted, but I also ...
By Batpred , 22 minutes ago
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RE: Daikin Altherma 3 with Fan Coils in Puglia (Italy)… Sanity Check on System Operation
If they don't do heat loss, you need another installer....
By bobflux , 27 minutes ago
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RE: Lower electric tariffs for heat pump users
I did some modelling using our real consumption figures...
By ChandyKris , 2 hours ago
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RE: Loud noises in the night - and one for the toolbox?
This may work hopefully now
By Jancold , 2 hours ago
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RE: ASHP Capacity loss with aging
I think the laws of thermodynamics pretty much guarante...
By JamesPa , 4 hours ago
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RE: Sizing an ASHP; Heat loss and kW
There will be no changes internally; ground floor is al...
By GutoFfowc , 7 hours ago
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OK, here's a rather off-the-wall discovery I've made th...
By Majordennisbloodnok , 7 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
I'd like to re-visit this information from Indevolt. ...
By Transparent , 8 hours ago
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RE: Advice on Vaillant Sensocomfort
I just had an answer from Vaillant technical, they only...
By Batpred , 9 hours ago
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RE: Setback savings - fact or fiction?
Yes, also the higher OAT end is possibly a smidge high ...
By RobS , 1 day ago
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Hi Mars, I've sent you a request to connect me with a...
By sttpd1917 , 1 day ago
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Grant Aerona R290 (15.5kW) - How is DHW Target Temp calculated?
Hello all, We have just had a Grant Aerona R290 insta...
By TaffontheTaff , 1 day ago
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RE: Debugging my legionella immersion heater
I notice this (66 is rather hot) with my legionella cyc...
By JamesPa , 2 days ago
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
@transparent I thought you would spot that wind turbine...
By Batpred , 2 days ago



