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Last seen: May 14, 2026
@papahuhu We had an MCS audit on our PV and ASHP. Inspector flagged up some lagging and label deficiencies. Some weeks later, an engineer from the ins...
Hi @expatingermany , This sounds very similar to my system where recently we had the 'secondary' pump electrically disconnected and the 'onboard' pu...
Well I've had an interesting few days and would like to share my cautionary tale. My system was installed in Sept 25 under an eco 4 grant. Sparce in...
Hi @jamespa , Thanks for the reply - cautionary tale re adjustment. AT curve centred around 35C as per last post. Late evening not quite enough comf...
Hi @jamespa Thanks for the reply. I have read through the info and posts again. I am ignoring the Honeywell at the moment. I have activated the AT...
hi @martinrobinson @jamespa @majordennisbloodnok @editor So the Honeywell is just a colourful, temp activated on/ off switch for the ASHP, NOT an A...
Hi @martinrobinson , these are a couple of charts for my system showing DHW, FT, RT and AT. I have also included temps off Honeywell Home - BDR91 wi...
sorry should have used quotes: 15/02/2026 10:55 pm @jamespa Hi, Thanks for the reply. I would appreciate some assistance please. ...
Happy birthday
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 , 20 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 , 22 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
