Last seen: Nov 4, 2025
My gas consumption was 18-20MW/yr. It was 10% higher before I turned down the flow temp to 50 (from 75 which is where the maintainer left it) and sta...
That's a curious conclusion with which I am struggling, not least because I have a fairly comparable situation which doesn't seem to create a conflict...
I don't have much concrete evidence but The only way to explain the discrepancy between my calculated and actual heat loss is to assume ach =0.5 i...
In addition to the above oversizing means you are likely to be running the compressor at an inefficient point on it's modulation curve for much of the...
I don't disagree for a minute with some of the sentiments about gas prices vs electricity etc but, to add some balance to the argument: My heat pump...
If your statement were 'WC doesn't work in your house' then it might be true. As it stands, apparently intended to be generally and widely applicable...
Very well said. When people complain about 'the council's or 'the government' I've taken to asking them 'so what would you do instead then?'. Mostl...
I find it faintly amusing that nobody ever worries about a heat pump cycling more or less continuously when it's their fridge, but gets extremely conc...
You are right that the lag from when the heating controller responds to when the house responds is of course the same whether the controller responds ...
This is how I would set it up Firstly a WC curve tuned to house. Start at 20 Deg outside and min flow temp of heat pump 20 or 25. End point at your...
That's fair enough, I did say that there are exceptions (I think the only significant ones may be wind and solar gain) and there is no perfect solutio...
Latest Posts
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Agreed. It doesn't take all that much maintenance to ke...
By Majordennisbloodnok , 1 hour ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
Indoor air temperature ie room temperature Outdoor ai...
By JamesPa , 2 hours ago
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Thanks @bontwoody!It's worth noting that you did purcha...
By F1p , 3 hours ago
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RE: Oil Boiler & Heat Pump Hybrid System
OK. Got it. As a fellow rural West Country resident, ...
By Transparent , 3 hours ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
@crimson I asked Eskimo about their correction facto...
By JamesPa , 4 hours ago
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RE: My DIY Heat Pump installation
@pollar-bear Top job, I installed my own too and even t...
By bontwoody , 4 hours ago
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RE: Help me keep the faith with my air source heat pump installation
There are two definitions of sufficient volume. The fi...
By JamesPa , 4 hours ago
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RE: Who has a V2G EV installation
Not sure how you got that information, @batpred. As of ...
By Majordennisbloodnok , 4 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump - I stopped using the Mide app ages ago, so...
By cathodeRay , 4 hours ago
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RE: UFH downstairs and radiators upstairs balancing question
@ashp-bobba Can I pick you brain about mine ...
By davidnolan22 , 6 hours ago
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RE: Electricity price predictions
One persons view In sync with the Nesta figures s...
By Jeff , 17 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Ok so that seems to be the key point namely only mcs ca...
By JamesPa , 19 hours ago
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RE: One flow valve appears to be duff
You might want to consider the following common faults:...
By IaAck , 1 day ago
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
We are on the Intelligent Octopus Go tariff. We instal...
By GrahamF , 1 day ago
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RE: New build installation query
@paullacey While the others wait for more info do you m...
By ASHP-BOBBA , 2 days ago
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RE: British Gas Heat Pump Installation Complaint
@bgno, the other consideration for legionella cycles ar...
By Mars , 2 days ago
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@old_scientist I dont monitor the tank temperature but ...
By bontwoody , 2 days ago
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RE: Say hello and introduce yourself
Hello @paultheheating - I'm a rural Moderator! What's...
By Transparent , 2 days ago
