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Last seen: Oct 22, 2026
It's unlikely you need 2 pumps, did he say why?
In that case Id perhaps expect your loss to be less. Do you have a buffer tank and if so how many ports (usually 2 or 4). How are the upstairs radia...
Difficult to say without more information about the house however, for comparison, my 200sq m 1930s house with a mish mash of fabric upgrades (includi...
Quite possibly. As I mentioned above the 'ideal' product seems only to be available in the EU. There is a UK product which looks like grass, (and th...
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...
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@editor Mystery solved to some extent. Need to selec...
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Interestingly we had an internet outage about a month a...
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RE: Double or Triple Glazed Windows?
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@transparent we’re still running a secure version of PH...
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
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Get the Renewable Heating Hub heads-up on WhatsApp. I...
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RE: 15kw pump for 225m2 1990's house - over kill?
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Both of which (in most cases) use Openreach for the las...
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@editor FWIW my problem was resolved, eventually, after...
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