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Last seen: Sep 25, 2026
@jamespa We've not had a Vaillant engineer in, who may have sorted out one problem but created another; (he wasn't inspiring confidence in knowing how...
I think the mystery is in the first question; the sensocomfort is insisting that there is "no heat demand" and the heat pump is therefore not respondi...
Floor plan of ground floor enclosed; Apologies for the poor quality. Its the UF layout.What I believe is the issue; the hall is a two storey height pr...
There will be no changes internally; ground floor is all UFH, upstairs is rads. Only bathrooms are undersized IMO.It was we hoped going to be a simple...
what does OAT stand for?
@majordennisbloodnok Thanks for your reply. I agree with most of what you say, but I would like to 'normalise' the calculation, so I can have a baseli...
@jamespa Since we have a heatpump currently; annual electric use is about 6000 kW, and deducting the lowest monthly use of 130 kW x 12 gives a guessti...
@ashp-bobba The fan unit has now died. ESP says it's not repairable/replaceable as the model is too old (Installed 2012)So we are now looking for a re...
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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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