Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Nov 3, 2026
Unless your house cools a lot during the setback, its still losing heat at almost the same rate - houses dont stop losing heat because you turn the he...
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 ...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Why don't people choose heat pumps?
It really shouldn't, but until the designed-to-fail sys...
By JamesPa , 21 minutes ago
-
RE: Adding data centre electricity costs to domestic energy bills?
Environmental issues: Xlinks say they'll fill their c...
By Transparent , 2 hours ago
-
RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Agree with everything else. Personally I think the as...
By JamesPa , 4 hours ago
-
There's a company called Xlinks who are proposing just ...
By Transparent , 6 hours ago
-
RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 8 hours ago
-
RE: Octopussy cosy 6 experience
@paultheheating Unless things have changed more recentl...
By Toodles , 23 hours ago
-
RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 1 day ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 2 days ago
-
RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 2 days ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 2 days ago
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@etchedpixels Agreed, just a thought for others. I am...
By Watcher , 3 days ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 4 days ago
-
Coming back on subject... A shortened version of the ...
By Transparent , 4 days ago
-
RE: Say hello and introduce yourself
Perhaps it is time for an update on ‘our’ project. We h...
By Toodles , 4 days ago
SPONSORS
