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...
Latest Posts
-
The sad end of my ECO4 installation.
This afternoon I was advised by a charity that was help...
By Dwynwen , 2 hours ago
-
RE: Why do we need pressurised systems?
@iaack I enquired of Wattson and the reply was very muc...
By Toodles , 2 hours ago
-
@jamespa that is quite important. It would be good if t...
By Grantmethestrength , 3 hours ago
-
RE: Replacing Refrigerant on Mitsubishi Heat Pump
@davidalgarve It should just be recovered by both servi...
By dgclimatecontrol , 6 hours ago
-
RE: Who's your electricity provider and what's your tariff?
Aggregators have been recognised for many years, and it...
By Transparent , 6 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
Great news I edited my previous post (probably af...
By JamesPa , 9 hours ago
-
RE: Double or Triple Glazed Windows?
@toodles Glad to hear things are progressing well for y...
By TRBob , 10 hours ago
-
RE: 300 Liter Tank - Do I have to heat it all?
I agree with @morgan. You can turn down the target t...
By JamesPa , 12 hours ago
-
How to waste energy (and time) playing with AI.
A friend of mine who subscribes to an AI service was ex...
By Toodles , 1 day ago
-
RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
@topher you’re more than welcome to, yes. I’ll send you...
By Mars , 2 days ago
-
RE: Fitting new shower valve ..........
I’ve never taken a chance when fiddling and changing ou...
By Mars , 2 days ago
-
You should contact the council and report the unsatisfa...
By JamesPa , 2 days ago
-
RE: Benefits of an extra horizontal loop for GSHP
I would deffo install an additional slinky run, especia...
By Transparent , 2 days ago
-
RE: Say hello and introduce yourself
@editor fab - thanks Mars, and keep up the great work o...
By normpang , 2 days ago
-
RE: Compressor and Evaporator Stratification
@trebor12345 So I think the 1st zigzag section shows so...
By ASHP-BOBBA , 3 days ago
-
RE: Is this just haze or something more?
@majordennisbloodnok I was giving a talk to primary sch...
By Toodles , 3 days ago
-
RE: Tesla Powerwall – More of a ‘Luxury’ Than an ROI Winner!
We had our Tesla Powerwall 3 (and Gateway) installed ea...
By Old_Scientist , 3 days ago
-
Indeed. With a battery its presumably the battery con...
By JamesPa , 3 days ago
-
RE: No-code, plug-and-play monitoring for your heat pump
To update an ESP device using ESPHome in Home Assistant...
By Grantmethestrength , 4 days ago
