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Last seen: Nov 12, 2026
In general lower FT = higher efficiency. These are only 1C apart however and with different outdoor temps, but perhaps more importantly both have ...
Consumption is not that much different to mine when it was very cold. You wont be getting a COP of 4 when its -3~-5 outside, more like 3 or possibly ...
The bodies of TRVs usually have an arrow on them. If it can operate bidirectionally it will be a bidirectional arrow!
Thanks for the suggestion. This appears to have a solid shiny surface and be designed to reduce transmission. I think what I need to do in my s...
My 7kW Arotherm does the same. Its especially noticeable during recovery from defrost, when the compressor is going at 100%, and at this point its ha...
Sadly I think you are right, until someone develops a cost effective no-frost coating which can be applied and prevents (or reduces) condensation buil...
... in theory! If they are all (close to ) perfectly sized then adjusting setting them up for consistent deltaT across the radiator is another way t...
I too have been thinking about this, not least because the only disappointment with my heat pump is that its noisy when recovering from defrost. I t...
I mean the room. I'm assuming that there is spread in radiator sizing in reality!
Perhaps I didn't make myself clear. Let's make up a scenario and see if we can do better. Suppose you want all rooms at 20C. Your rads are success...
Apologies if you already know this but dont try to get the temperatures right by adjusting the rads, aim to get them approximately the same. That sho...
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Degrees of Separation
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
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@batpred The Daikin temperature probe protrudes from th...
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@editor And as an occasional contributor, may I say wel...
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
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