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Last seen: May 15, 2026
Another thing I noticed in my quick skim was a graph showing steadier temps with ordinary trvs than with smart trvs which made me wonder whether the o...
The original paper is 84 pages long so deserves a good read, which I intend to do. The key question, which is not stated in the summary, is 'what is...
Personally I think you are well beyond believing an installer instinct or NAPIT. When you adjusted the heating as suggested here you were warm enough...
Hot pipes connected to the cylinder should be insulated for at least 1m from the cylinder. 0.3 C/hr is 87W, what is the cylinder loss spec, this does...
I can't find any actual regulations governing the clearances. It's notable that the new Valiant models have much reduced restrictions on placement so...
19k is having a laugh at your expense. Ignore. The only connection vaillant need to the dhw tank is a temperature sensor. Almost all heat pumps ne...
RT is a function of flow rate and heat demand and not something you directly adjust. It will be measured by the heat pump for sure so the information...
I agree with pretty all of what @bobflux says. With 140sq m well insulated and the guest rooms not all together zoning is going to be a waste of time...
Quite possibly all wrong. Get other quotes or regret Can you tell us more about the house, construction, location, floor area, climate where you ar...
What does this include? 3K is well ott. Check midsummer wholesale for a sense check/Calibration. Vaillant are neither the cheapest nor the most e...
Latest Posts
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RE: Estimating true heat loss from twelve months of consumption data
@cathoderay Yes, a very fair analysis once again and ag...
By ian33a , 1 hour ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 2 hours ago
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I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 2 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
@chainreaction Agree with @broadsman , it seems many ...
By Batpred , 3 hours ago
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 3 hours ago
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RE: Setback savings - fact or fiction?
@cathoderay thanks for your kind response; our cat does...
By PeterWurmsdobler , 4 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 10 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 11 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 , 23 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 1 day 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 , 1 day 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: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 2 days ago
