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Last seen: Oct 26, 2026
@derek-m - yes, certainly an option, but I've always wondered how much benefit you get from wall reflectors, given they reflect back onto the radiator...
Indeed. My room with the greatest heat loss is the kitchen, with its three (or rather two and a half) solid stone outside walls, a good half of which ...
Not all elected representatives are elected equal. The problem, which I chose to make my problem, which is nonetheless a very common problem: how t...
Thanks for the tips about detecting cold spots and drafts. On a windy day there are place near doors/windows where I can feel a draft, and during gale...
@derek-m - yes, an adjusted curve makes sense, maybe something along the lines I suggested in my last post, 60@-2/40@15? By the bye, the rads seem to ...
@derek-m (and others) - readings with (at 1200 noon yesterday) weather comp turned off (Preset Temperature > Weather Set Temp > Zine 1 H-Mode Hi...
There are also small but cumulative losses eg cleaning a magnetic filter (though I suppose one could catch and recycle the water) and bleeding rads. I...
Ah, OK, thanks. So far, running at 55 degree LWT has the house feeling warmer, room temps up, but it's 'only' 8 degrees outside, so demand is not at i...
@batalto - point taken, it's also the linear/area thing, half the diameter = a quarter the area. You are also spot on with the primary circuit length,...
@batalto - you will have seen @derek-m's remarks about the PHE above, 3 degrees loss through the PHE from primary to secondary, which suggests that at...
Exactly, it is the unfortunate use of a unit of time in the name that makes it seem like a rate, when in fact it is a quantity (that can then be produ...
Interesting. I will see if anyone comments further on your 'ramblings' (which look very erudite to me), in the meantime, to clarify: ie kg/s = l/s...
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Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york Thanks Rob! A LOT to digest here! Plea...
By SusannaSaunders , 2 hours ago
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RE: Electrical works for air to air heat pump
An electrician who signs off work is responsible for it...
By EtchedPixels , 4 hours ago
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RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 4 hours ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews I have read you latest response re buffer ...
By JamesPa , 23 hours ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 1 day ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 3 days ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 3 days ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 3 days ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 4 days ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 4 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 5 days ago
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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. ...
By bobflux , 5 days ago
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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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