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Last seen: Aug 23, 2026
@jamespa Also this coming winter I am going to run my combi system at as low as it will modulate and see how we get on.
@jamespa Hi James, the living/kitchen/dining room is around 40% of the property. My annual gas usage is 9300kw, of which i am estimating 170kw a month...
I used this heat loss calculator based on my worse day which was 85kw of gas, on a -3 day at 22 degrees. Temerature on the day in question was -3 unti...
@lejamaiscontent i did use one of the online calculators and at -3 degrees, with our current consumption which is shy of the 12k i said at nearer 1000...
@lejamaiscontent Thank you kindly. I am not in a rush, so waiting until next winter is not a major set back to work out what we need. We already have ...
@jamespa Appreciate thoughts. At least it points me in the direction that it may be possible. Going to start with a major installer who does free asse...
@jamespa Hi James, thanks for responding. We use around 12000kw of gas a year. i am estimating our hear loss at around 5-6kw. Its standard 8mm copper ...
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Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
Volumisers are normally plumbed so that they are in the...
By JamesPa , 40 minutes ago
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@toodles possibly. The £9k labour charge for 4-5 days w...
By AndrewJ , 5 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 9 hours ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 23 hours ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 23 hours ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 1 day ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 1 day ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 1 day ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 5 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 5 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 5 days ago



