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Last seen: Jul 30, 2026
@benson thanks. @cathoderay suggests using data loggers to collect the data. How did you do it? Same method or different?
Lunch over. Back to it Some more observations from discussion with installer. Given they raised possibility that the UFH is not insulated properly (...
@jamespa noted. Thank you
@cathoderay thanks. I had a call within half an hour of sending my letter by email. My requests were 1) fix the insulation as per @transparent recom...
@cathoderay I hear you. I have just finished a letter to the company. I have asked for immediate rectification of the insulation issues due to Part L ...
This now in answer to my request to provide input assumptions for the heat loss calculations "In the scope document that Sandra shared with you, the...
@jamespa how do you get from usage of 30MWh to loss between 10 and 15?
@jamespa Ok I have now found all my old oil orders and over a 7 year period, the average amount ordered was 2900 litres. The installer assumed an aver...
So now I have completed my heat loss calculations and I get a total property heat loss of 12502 against the installer's calculations of 8610. I have u...
@jamespa I woke up this morning (at 4.45am!) thinking about exactly that and I have been looking into the ACH numbers on the Freedom Pumps xls. To me ...
@cathoderay. I've taken the numbers directly from the Freedom heat loss calculator that I downloaded from your link. This shows a room heat loss (larg...
So, I have input details into the Freedom Heat Pumps loss calculator and I get the following Lounge - Installer Heat Loss 40 Room Loss 1995 Mine He...
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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 , 5 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 , 6 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 , 7 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 8 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 , 8 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 , 9 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 , 9 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 , 14 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 , 14 hours ago
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Although regulations may well vary from country to coun...
By Majordennisbloodnok , 15 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 , 15 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 , 18 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
@energystoragetech The heat capacity of some...
By JamesPa , 20 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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