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Last seen: Sep 14, 2026
@springswood Gas connection / disconnection is the responsibility of your energy provider i.e. Octopus, so you could ask them. I know they do discon...
Posted by: @grahamf if you are planning to install a flow meter, I would suggest considering a heat meter instead Thanks for the link to the mo...
@ian-s One interesting difference between your two quotes is the room temperatures assumed. HG assumes 21C throughout and DW have used a variety of...
Posted by: @grahamf If you are considering phasing the project, then I would investigate the VAT implications. A heat pump installation is zero...
Posted by: @springswood I'm working on passive ways of reducing indoor temperatures. Good quality black out blinds are very effective at reduc...
@springswood We have two Daikin single split A2A systems, 3.5kW in the living room and 2.5kW in the main bedroom. This is in a 4-bed detached, 1970s...
Volumisers and Buffers My updated and approved (by my wife!) radiator plan has a total radiator volume of 128.8 litres plus roughly 15-18 litres for...
Post by: @bash How it worked for me is that when I had all radiators fully open, that appeared to be on part of a long run of 15mm pipework, at lea...
Posted by: @jamespa The regulations are here Regulation 9(2) b is the key one Thanks for the pointer to the regulations, in particular: 9(2)...
@bash @jamespa Thanks both for the practical advice. Just to check I'm understanding this right. The game plan would be as follows: Turn the fl...
@bash Thanks, its good to hear about your experience. My concern with the pipework is along very similar lines. There is no way of knowing the actua...
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Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@old_scientist id not thought about agile export bef...
By Papahuhu , 17 minutes ago
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RE: Is it the house or the equipment?
@springswood Gas connection / disconnection is the re...
By Rob of York , 48 minutes ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
Posted by: @grahamf if you are planning to install a...
By Rob of York , 1 hour ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s One interesting difference between your two q...
By Rob of York , 5 hours ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 7 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 1 day ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 2 days ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 3 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 3 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 3 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 3 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 3 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 4 days ago



