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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...
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Degrees of Separation
Latest Posts
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you are considering phasing the project, then I woul...
By GrahamF , 6 hours ago
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RE: Siting of the external sensor on a heatpump
Of course had the heat source been a heat pump it would...
By JamesPa , 8 hours ago
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Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 8 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 10 hours ago
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RE: Is it the house or the equipment?
@springswood We have two Daikin single split A2A syst...
By Rob of York , 11 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 2 days ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 2 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 2 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 3 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 3 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 4 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 4 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago
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