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Last seen: Sep 12, 2026
I agree. However I would also (primarily) expect that the recorded value was more accurate when the fan was running than when it isn't. There is no...
Its really good to have real-world confirmation that muppets install boilers as well as heat pumps. I thought that was the case, and the independent ...
Because not everyone needs it and to be effective it would need to be not joined too much and not trap air, both to avoid heat transmission by conduct...
You should (almost) always reject having a buffer, by which I mean any kind of tank between the heat pump and emitters that is connected both to feed ...
No, but the heat pump must be capable of delivering a SCOP of at least 2.8, which for most means max 55C. You are well within that by the sound of it...
TBH I dont understand how that works. Ultimately all the radiators are connected back to the same pipe; I dont understand personally how turning some ...
Sorry to hear about the problems, its going to be something fixable for sure. No (I have only one zone) but the obvious questions are ...
No. The regulations are here Regulation 9(2) b is the key one As your robustly assessed heat loss is about 6kW, with the right instal...
You can selectively shut down radiators to test flow rates in individual lines or groups of lines. Obviously you wont expect to get the full flow rat...
I have seen it stated that the declared calorific value does not include latent heat of condensation (which is very plausible) and therefore that, in ...
Yes. Vaillant for example has a wireless oat sensor (not sure if there is also a wired version) which can be suitably located. I would imagine that ...
Mine certainly does. My oat sensor is tucked under the eves of a north facing garage which ensures sun never gets to it.
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Degrees of Separation
Latest Posts
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RE: Siting of the external sensor on a heatpump
I agree. However I would also (primarily) expect that ...
By JamesPa , 2 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 5 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 8 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 10 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 14 hours ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 16 hours ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 1 day ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 1 day ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 1 day ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 2 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 3 days ago
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RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 3 days ago
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