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Last seen: Jun 13, 2025
@sicky 72m2 for the whole downstairs, it was very much a rough guestimate on price when I asked about other options instead of rads.
@jamespa yes thanks, I've been quoted a min SCOP of 3.60, so as long as I could get cheaper electric than 22p I think it starts to pay it back. Anothe...
@jamespa I had one company design at 55 because I was struggling for radiator space... I've had others pull out because I couldn't heat the room prope...
@jamespa my room heat loss is approx 2.4-3 kW (house 7-8 kW) depending on who's done/what tool they've used. The room is a complicated extension with ...
@jamespa I think I need between 2.4 kW and 3kW over 2 600mm spaces for design conditions, so 21 internal and -3 OAT. I currently run at 18 in winter, ...
@cathoderay @jamespa thank.you for the suggestions on a fan coil, they're no cheaper than a large aluminium Eskimo radiator or 5 column cast iron ver...
Well, my current room is heated by 2 off 1800*440 designer rads. I estimate their output to be 1500 W each at dt50, my heat loss is calculated to be b...
@cathoderay thank you, I only have one thermostat for the house hence looking at the room data. I doubt my house is the same temperature throughout, i...
Could a method to calculate heat loss in a room be to set the thermostat on max and measure the max temperature the room can achieve at a measured OAT...
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Degrees of Separation
Latest Posts
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
I think Heat Geek have done an amazing job on their bra...
By Tomtheheatingengineer , 7 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
I have just had 3 heat loss surveys, one by heat geek o...
By David , 7 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
I think that's the key question. After all inverter uni...
By Prunus , 9 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 9 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
A unit which uses water to transfer the heat/chill from...
By Temperature_Gradient , 10 hours ago
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RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 10 hours ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 11 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 16 hours ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@editor Most certainly. The heat pump was an ideal s...
By Abernyte , 16 hours ago
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Although regulations may well vary from country to coun...
By Majordennisbloodnok , 16 hours ago
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RE: Does anyone have experience of a smart water meter?
Yep I caught our slow leak from a £100 bill rise 8)
By EtchedPixels , 16 hours ago
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RE: Do You Need a Buffer Tank or Low Loss Header for Underfloor Heating in a Large Property?
@jamespa in some cases, failing the Turing test might b...
By GrahamF , 20 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
@energystoragetech The heat capacity of some...
By JamesPa , 21 hours ago
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RE: tepeo ZEB UK Support & Info Thread
Sorry you are correct, I was remembering figures from t...
By JamesPa , 1 day ago
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