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Last seen: Apr 8, 2025
My house was given an EPC rating of B, which I felt was generous, because the process doesn't take account of some of the thermal deficiencies such as...
My system has one of the Telford Tempest cylinders with a 50 litre buffer tank in the bottom. It seems to work very efficiently (claimed COP of about ...
Is that the flow temperature (which the heat pump decides) or the target room temperature (which is an input for deciding the flow temperature)? For e...
Is a heat pump using a few kW continuously considered to be a more onerous design condition than an electric shower which could use 9kW but for only a...
This is an awkward problem which provides a taste of the challenges arising from the objective of decarbonising home heating (IMO all new-build nomes ...
I had the 7kW Arotherm+ installed a few months ago. It was what the only local installer who made a credible quote offered and my research had reveale...
Where is you distribution board? In the I would have expected, based on my installation, that proximity of battery to your distribution board to be mo...
FWIW, here's my cylinder after the pipework was finished and before the pipe insulation was added. The 3-port valve is very accessible. It's possible ...
I think it's this cylinder(I've got one).
Something I'll flag up here is that heat pumps need diverter actuator heads and not the more common mid-position devices. I'm aware of the differenc...
The surge management problem is an interesting challenge. One million batteries all starting to charge at 5kW is a 5GW load. IIRC, the Dinorwig pumped...
Anyone can sign up to the Octopus Go tariff (I've been on it for several years and have yet to get an EV). The Intelligent Go tariffhowever, gives mor...
Latest Posts
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RE: Setback savings - fact or fiction?
I agree, and that is in effect what @jamespa and I have...
By cathodeRay , 44 minutes ago
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RE: Anyone concerned about GivEnergy?
Good. That's the right approach. If the PSU (power su...
By Transparent , 2 hours ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — a measured heat loss always trumps a calculat...
By cathodeRay , 3 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 , 5 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 7 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 , 18 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 23 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...
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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 , 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
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 2 days 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 , 2 days ago
