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Last seen: Jun 13, 2026
I think with any size of heat pump you are likely to break the limit on the 3kW inverter and pull from the grid. I don’t feel qualified to comment on...
@ashp-bobba blimey! That's the sort of price that is going to make someone say "forget it, bang a new boiler in". A distressed purchase decision is ...
It wasn't a criticism, just a thought that this interesting info might get lost! I can see how it can (may??) help. By not changing the cylinder, is...
This veering of the topic onto cylinders etc is really interesting but should be in its own thread to make it easier to find in the future. A convers...
@temperature_gradient my point was to minimise the emergency install stress by giving people access to the grant beforehand to make their house “renew...
I like the idea but would approach it in a different way. At the point of distress purchase, people’s minds are on getting the heating and hot water ...
@l2jad I was just thinking all things being equal. Our hot water usage doesn’t really change day-on-day so 1 hour is enough; just wondered if you had ...
@l2jad do you find that the hot water takes longer to heat up with hush mode turned on? I haven’t tried it yet and currently hot water is scheduled f...
@swwils mine is mostly off now. Hot water for an hour 02:30 to 03:30 then heating to 21c from 03:30 to 05:30 although in reality it will only come fo...
I have had my Cosy 9 installed and running for a year on 8th May. My house, to recap, is a Finnish timber frame design, 164sqM, detached over two floo...
Which I can empirically vouch for. Further, you may even find, as I do, that thermostatically controlling the system can lead to oddities such as hav...
Well, turns out a DIY job isn't going to happen. Even on a step ladder with a 8-10m telescopic pole I can only reach the gutters! That's that then.....
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Latest Posts
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 12 minutes ago
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My first question is why bother with the auto balancin...
By JamesPa , 39 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 42 minutes ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 1 hour ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 2 hours ago
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I agree. So far as I understand, we can't necessarily...
By Majordennisbloodnok , 3 hours ago
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Did you try using the find an installer tool in the sit...
By Batpred , 3 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 5 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 16 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 17 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa these:
By AdamK , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago



