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Last seen: Aug 7, 2026
The problem I see with A2A (and I'm interested if there's a good solution to this) is that many homes have multiple small rooms which need their own h...
Yes the MCS rules on cylinder sizing seem to be cause of the problem, they don't provide enough detail on how sizes should be adapted to space constra...
Strikes me there is potentially a lot of scope for improving the hot-water solutions, I've tried a couple of the big companies mentioned here and thei...
I might install one without the grant, but it would either be a DIY project or an economical install where I have more control over what is being prov...
But in practice, doesn't the need for Building Regs approval typically force you to comply with MCS? Because MCS as a competent person scheme can self...
If the Government remove the grant then they should also be removing some of rigid and inflexible installation standards which push up the cost of ins...
For your DIY install, what did you do about the whole building regs / certification side of things?
The Toyota plugin hybrids are very similar to their regular hybrids, same design of drive train but with slightly more powerful motors, and the hybrid...
For minimal disruption and systems which are more affordable, and so likely to be more sellable, I wonder if there needs to be more pragmatism and all...
Did they confirm it was being installed as an actual 4 connection buffer tank or as a 2 connection volumiser tank? I had an Octopus survey, the surv...
Yes the heat pump cylinders use coils with high surface areas, but that isn't the problem, the difficulty comes from the MCS standard sizing formula r...
I think the current requirements and installer approach to hot water cylinders creates a lot of unnecessary and avoidable disruption, and cost for hom...
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Degrees of Separation
Latest Posts
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RE: Siting of the external sensor on a heatpump
I agree. However I would also (primarily) expect that ...
By JamesPa , 7 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 10 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 , 14 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 16 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 20 hours ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 21 hours ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
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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...
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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...
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
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@batpred thanks for getting a copy. Appreciate the supp...
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We have a 6.56kW solar PV system (16x 410W panels) inst...
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