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Last seen: Dec 18, 2022
@cathoderay Problem at the moment IMHO is that there are precious few good installers and too many double glazing salesmen. And they must be MCS cert...
@derek-m Perhaps it’s me, now I have had a play with your spreadsheet, but if I reduce the DeltaT water temp to 30C the output falls off a cliff to 21...
@derek-m thx for that. I’ll apply those equations to my radiator table. Meanwhile just putting in my total radiator output and my heat loss gives me a...
@cathoderay the kitchen and lounge have 2 rads but 1 heat loss and all the numbers stack up. I have 2 spreadsheets for heat loss so I am making sure...
@derek-m I'll look at the data and get a representation and yes - its a WB 42CDi so 92%
@cathoderay so I have done as you suggest. Heat Loss Q with a DeltaT of 30C (-5C to 25C) my whole envelope heat loss came to 5400w and room by room ...
@derek-m EDF installed smart meters a year ago so I could do just that. Despite revisits the gas meter never worked and apparently won't until they co...
@cathoderay thx, I'll give that a go later - could be interesting.
@transparent you want weather data? I can give 3 years of history and real time from a Davis VP+ station data and graphs e.g.. Solar thermal isn't...
@julianc Hi, our boiler temp has always been set at around 50C and it heats the house just fine. It only goes above that if there has been HW demand.
@transparent - Thx. I have just made a detailed post to the ASHP section here. I do have a recent EPC but of course that tells you nothing. I did a ...
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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 , 8 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 , 8 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 , 10 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 11 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 , 11 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 , 11 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 , 12 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 , 17 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 , 17 hours ago
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Although regulations may well vary from country to coun...
By Majordennisbloodnok , 17 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 , 17 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 , 21 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
@energystoragetech The heat capacity of some...
By JamesPa , 22 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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