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Last seen: May 15, 2026
thanks, that was very useful reading. It seems grant pumps can modulate more than most. I am still wondering whether a 5kw Vaillant would do, whi...
I filled in my g99 with ukpn without any issues. Of course , my inverter is type approved
@jamespa Makes sense to me. The simpler it is to install it, the more people will do like Mars and not be held back by an electrician visit… On ...
Thanks guys. I was referring to the epc surveyor. We have not yet entered the paid ASHP survey stage, but it is great to have a good basis to ...
Yes, but many circuits do not have RCD/RCBO. As they are not mandatory in all circuits (and as usual the regulations do not mandate them retrospective...
I think you may be right. 🙂 Still, instructions of CTs are that they should be installed around the live condutor. Probably because, as you...
Yes, live has been brown for a while. I still have quite a few pre 2006 circuits where it was red.
I just tried this and got 7.2kW on the HG site. Using our gas consumption, based on the last 2 years, I get 4.17 - 6.26 kW. It seems that we can cope ...
I had an initial estimate for a Grant HP, as we are looking to replace our old combi boiler. The price seems interesting, but I have not looked much a...
@bash provided some details on his setup on previous posts and there was some debate with @transparent. I can't find where (it seems good ol' Watso...
So we are starting to see the options land where they may be worth drilling down... I had a look at the spec for the 5kw vs the 7kw Vaillant and it ...
After running a search in the god ol' watson, this is where it took me for running costs of heat pumps. No further comments.. I came across this rec...
Latest Posts
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 1 hour ago
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RE: Estimating true heat loss from twelve months of consumption data
Thank you both for your replies. It is heartening to di...
By ian33a , 2 hours ago
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RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
By Judith , 10 hours ago
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RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
By cathodeRay , 12 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 , 12 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 17 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 , 19 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 , 21 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 , 1 day ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 1 day 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 , 1 day 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
