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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Below is a better quality image. Does that contain all ...
By trebor12345 , 1 minute ago
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Sorry to bounce your thread. To put to bed some concern...
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RE: What determines the SOC of a battery?
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RE: Electricity price predictions
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RE: Setback savings - fact or fiction?
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RE: Humidity, or lack thereof... is my heat pump making rooms drier?
@majordennisbloodnok I’m glad I posted this. There see...
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RE: Testing new controls/monitoring for Midea Clone ASHP
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Our Experience installing a heat pump into a Grade 2 Listed stone house
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RE: Solis inverters S6-EH1P: pros and cons and battery options
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RE: Struggling to get CoP above 3 with 6 kw Ecodan ASHP
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RE: Say hello and introduce yourself
@editor @kev1964-irl This discussion might be best had ...
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RE: Oversized 10.5kW Grant Aerona Heat Pump on Microbore Pipes and Undersized Rads
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RE: Getting ready for export with a BESS
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
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RE: Recommended home battery inverters + regulatory matters - help requested
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Bosch CS5800i 7kW replacing Greenstar Junior 28i
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RE: How to control DHW with Honeywell EvoHome on Trianco ActiveAir 5 kW ASHP
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RE: Plug and play solar. Thoughts?
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RE: A Smarter Smart Controller from Homely?
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RE: Safety update; RCBOs supplying inverters or storage batteries
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
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RE: Configuring third party dongle for Ecodan local control
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