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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: Why don't people choose heat pumps?
It's swings and roundabouts - during off-peak periods t...
By Temperature_Gradient , 8 minutes ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
... And that's being generous! I'll tell you a littl...
By SusannaSaunders , 6 hours ago
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RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 7 hours ago
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RE: Electricity price predictions
great session Reminds me why some politicians can be ha...
By Batpred , 7 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 8 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
absolutely agree. even if many providers see that extra...
By Batpred , 8 hours ago
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RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 11 hours ago
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I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 15 hours ago
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RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 3 days ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 4 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 4 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
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