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Last seen: Nov 9, 2026
That's it - when the situation demands it, how quickly can a good and well configured A2W system, driven hard, get the house back up to temperature? ...
So how far in advance of returning home, do you need to turn it back on to recover the temperature - what sort of temperature rise can it achieve, wha...
But if you got home and found the house cold, for whatever reason, how long does it take for your heat pump to heat your house up to 20 deg C from col...
Because there's situations where it is needed. You do want to get the house warm quickly when your plans change and you come home early or unexpectedl...
From what I've read, with chilled water, as you'd expect, condensation can form on the pipework so the pipes need thoroughly insulating and insulation...
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...
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Degrees of Separation
Latest Posts
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RE: DIY powerflushing tutorial
Damn that pic is awesome They do sell auto-refill val...
By bobflux , 32 minutes ago
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@brazilguy67, glad you've managed to get someone to hav...
By Mars , 50 minutes ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
We've had an influx of new members joining the forums o...
By Mars , 2 hours ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 3 hours ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 4 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 7 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 21 hours ago
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RE: Why don't people choose heat pumps?
@susannasaunders The link I have found may provide a li...
By Toodles , 23 hours ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 2 days ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
@batpred I mentioned earlier that targeting the payment...
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
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Six books in three years and I think I’ve now covered j...
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RE: Grant Aerona3 13kw - Buffer Tank - Heating Journey
@heymikey Well done in achieving as nearer a match acro...
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Grant Aerona - Weather Compensation and Schedules
Im trying to set up a friends Grant Aerona. The WC curv...
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