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Last seen: May 14, 2026
Hi @ian33a you could do your own heat loss calculation iterating with the conductivity of your walls until you get to the less than 10kW you probably ...
@sunnyskies I agree with Downfield trying to ask the GE community forum since I’ve read before something about ensuring the battery doesn’t stay flat ...
Perhaps it was me but the annual gas consumption does not seem to to be used.
@editor in the spirit of helping out here. I ran the checks on our house, and it points to some inaccuracies in your sums(!) There’s two screenshots h...
It gets curiouser and curiouser… Givenergy have bought another company
@lejamaiscontent There’s a couple of things to add. We also have a solar thermal system so the DHW varies with the season too. The electricity consump...
@jamespa I’ve read as much as I’m willing to on this report. The baseline against which the 6-8% saving in electricity consumption was stated is unt...
@johndwyer surprisingly the Givenergy forum is still live but might shut down any time soon. But in the meantime you might get an answer from one of t...
It’s the flow through the pipe. If the pump is trying to push more through into the cylinder than the diameter allows then it can “sing”. I probably s...
good! This particular add-on had become unnecessary after coal had gone and was just another tax, but in the wrong place (electricity)
Your ‘hand waving’ above isn’t too far off mostly. Our 200m2 detached house has a 400W/C value. We need 8kW which the 7kW Vaillant supplies, but you m...
@martinrobinson you’ve addressed all of the key issues about changing the cylinder. We concluded that we could live with the slower heat up time (but ...
Latest Posts
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RE: Estimating true heat loss from twelve months of consumption data
Hi @ian33a you could do your own heat loss calculation ...
By Judith , 5 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@djh ah, I have never seen this before, interesting ide...
By ASHP-BOBBA , 5 hours ago
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RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
By Judith , 6 hours ago
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RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
By cathodeRay , 8 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 8 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 13 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 15 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
By Broadsman , 17 hours ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 20 hours ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 20 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
That would be abnormal but I cant see from your charts ...
By JamesPa , 21 hours ago
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RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 1 day ago
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 1 day ago
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RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
By Deltona , 1 day ago
