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Last seen: Jun 15, 2026
re 'enforced night mode running constant at 60%' are you saying that the heat pump was previously forced on (at 60% modulation) at night. If so thats...
With the expanded view you can see it ticking along at about 300W other than during the DHW reheat and between 4.30 and 5am. The spikes are very narr...
OK, couple more questions At these relatively mild temps, how certain can you be that its not just a WC setting problem that would be resolved by le...
Hmm The spikes are very short (so quite possibly very little energy and thus of little significance) but too low to be just the water pump....
I would say yes. Have you got a buffer/LLH and secondary pump. How is is set up (thermostat? Weather compensation?). Are your emitters completely o...
You are doing a splendid job of cornering the installers, well done. I have a couple of comments which may or may not help Just to ad...
Why arent you expecting them to make much difference. If the water flow is shut off completely they wont heat at all, and in principle the flow could...
Im assuming the m^2 refers to the outside the area of the house not the floor area, otherwise the calculation appears wrong. 7.46 ACH is really high ...
Ok. It still seems high tbh. Particularly if you do anything to improve the floors. My 200sq m house of similar basic construction with no floor ins...
Are you going to insulate those solid walls and the loft at all If so this figure is crazily high and a design based on it will likely perform rather...
Fwiw I ried smart trvs with my gas heating. I found it too much faff to use the smart features so reverted to dumb trvs and subsequently, when I got ...
Until I turned down the lsvs upstairs, yes. No real need to buy frvs, lsvs, or trvs fitted with decorator caps to replace the heads, will do the same...
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Did you try using the find an installer tool in the sit...
By Batpred , 1 minute ago
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RE: Several AC coupled batteries
@ian33a I agree, even if it was not particularly uns...
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RE: GivEnergy inverter tripping due to over-voltage?
updated and corrected excel with weekend data. No overv...
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Yes and no. To me, this is a classic case of excellen...
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 1 hour ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 13 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 14 hours ago
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BUS uplift to 9k for off grid installs. I can't establish if new builds are specifically excluded.
Hi.The BUS grant for new self builds is pretty straight...
By jimseng , 21 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
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RE: Help me keep the faith with my air source heat pump installation
@jamespa these:
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
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RE: Load Shift and Lifestyle Shift Complete - our journey has ended, for now
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