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Last seen: Apr 17, 2026
As above, you need to know the actual heat loss. The fact a xxkW oil boiler was fitted tells you very little, in the past it was not uncommon to 'solv...
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Latest Posts
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RE: Renewables & Heat Pumps in the News
It has been floated before, move to basical...
By Jeff , 12 minutes ago
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RE: My Grant R290 9kW Heat Pump Installation
Thanks @jamespa ! I've been reading the manual and ti...
By petch , 3 hours ago
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RE: Sigenergy Battery Storage System
@editor When reviewing batteries, it is essential to ru...
By Old_Scientist , 5 hours ago
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RE: Help Right-Sizing My Grandmother's Heat Pump: Installer Says 12kW, I Think It's Oversized
That would be a very nice solution, leverage the existi...
By bobflux , 7 hours ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
Thanks for the advice guys. If I get some time this wee...
By Mars , 7 hours ago
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@damo76 welcome to the forums. I'll be honest, I've nev...
By Mars , 8 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
So far, no sensible estimates. I now make a point to...
By Batpred , 12 hours ago
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Ecoflow UK Support & Info Thread
We’re opening up an official support forum for EcoFlow ...
By Mars , 13 hours ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Well, there are a few factors that I think ...
By Andris , 13 hours ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
Personally I think you are well beyond believing an ins...
By JamesPa , 13 hours ago
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RE: Who do I complain to about a poor ECO4 installation, can anyone advise?
@grantmethestrength Thanks..Think I have found that for...
By WesleyP1874 , 14 hours ago
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@chandykris A sigh of relief as the OE van pulled away ...
By Toodles , 15 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I can't find any actual regulations governing the clear...
By JamesPa , 15 hours ago
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
Oh My, average installation is 15k inc Grant so £7500 t...
By ASHP-BOBBA , 1 day ago
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Having seen that latest photo, I'm inclined to agree wi...
By Transparent , 1 day ago
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RE: Rate the quality of your heat pump design and installation
@keithb If you would like to start a thread describing ...
By JamesPa , 1 day ago
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RE: Electricity price predictions
@toodles Exactly my own thoughts when I read about this...
By KevH , 2 days ago
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RE: How much can an east/west solar solar system be oversized?
@editor , we managed to avoid the cowboys. This is a bo...
By colinc , 2 days ago
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Without a detailed analysis of the hydrodynamics I woul...
By JamesPa , 2 days ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge no idea if they’ve made changes, but I got...
By AndrewJ , 2 days ago
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RE: Say hello and introduce yourself
@alva welcome to the forums and feel free to start a ne...
By Mars , 2 days ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
So under part G or the G3 rules you have a responsibili...
By ASHP-BOBBA , 2 days ago



