Last seen: Apr 8, 2025
I had solar panels (nominal 4kW) installed in 2017 and quickly realised that there was a mis-match between generation and domestic demand so a Powerwa...
Indoor and outdoor units have their own radio frequency links. My Vantage Vue originally came with a memory board in the indoor console which I would ...
I don't have first hand experience of fan coils but get the impression that they have much lower water volumes than panel radiators. I think that the ...
I've had a Davis Vantage Vue for 11 years. It's had two problems: After a few months the rain gauge stopped working, which must have been a bad batch ...
That layout also fits one of my wishes that housing is designed around south-facing windows to catch the winter sunshine (when the sun condescends to ...
That consumption data is consistent with the high smart meter readings but is way too high for an efficient heat pump system. Similarly, 791kWh consum...
The numbers don't make sense. 100kWh/day of electricity into the house, if directly converted to heat (eg four x 1kW electric fires), should make a mo...
I'm not convinced that it's necessary to have big temperature drops across radiators with a relatively low temperature heat pump system provided the h...
I would worry about the heat loss from the cylinder and pipework in the loft. My cylinder and associated pipework have turned what was the coldest roo...
You could see ifare interested. They installed my system (albeit only a 4 bedroom house) and did a good job compared to many installations I read abou...
There should be no significant change in the load on the heat pump unless you keep the bathroom hotter and thus increase the losses through walls and ...
My SolarEdge monitoring is fine, both on phone and on computer.
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Latest Posts
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Win a 6-panel PV courtesy of egg and Renewable Heating Hub
Our epic giveaway just went live! Want to win a 6-pan...
By Mars , 16 minutes ago
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RE: Yes, the "zoning with ASHP" topic again...
James, thanks again for your thoughtful and persistent ...
By HarryRea , 26 minutes ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
Isn't that the whole point of homely - it does that fun...
By Johnmo , 2 hours ago
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RE: Is this normal? Click of the DHW returning to space heating
So the Lone Ranger returned today! Even though we thoro...
By Grantmethestrength , 3 hours ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide
@jamespa So settings to date are as follows for now. ...
By Alfapat , 4 hours ago
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RE: Vaillant & OVO partner up to offer Heat Pump Plus
Hopefully iv done the right thing today by signing up t...
By Westkent , 5 hours ago
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RE: IVT Greenline high pressure switch and electrical cassette errors
Hi, are you able to see the delta between GT8 vs GT9 te...
By abbote , 6 hours ago
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RE: Battery sizing - How low can you go!
My own experience with connecting four batteries to thr...
By Transparent , 12 hours ago
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RE: Plate heat exchanger considerations
Work on 2-3 percent per degree. This is a reasonable e...
By JamesPa , 22 hours ago
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RE: Advice for ground source heat pump in new build with PV and batteries
The useful bit is the bit that specifies the heat loss ...
By JamesPa , 22 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
You’re absolutely right that during defrost the refrige...
By Mars , 1 day ago
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@editor thanks Mars that’s the same table I found in th...
By Gary , 1 day ago
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RE: Tariff and charging strategy advice please
They haven't asked me to prove that I have an EV (I do)...
By JamesPa , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Took a while to find on the OFGEN site: ”The FIT sche...
By AgentGeorge , 2 days ago
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RE: why solar diverters for HW instead of the heat pump?
For me there are few factors why you may want to heat w...
By Johnmo , 2 days ago
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RE: Hydronic plinth heaters and ASHPs
@editor yes I think so. It will be a while until I get ...
By benson , 2 days ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
I’m an Aira customer with a 6kW Outdoor Unit in a small...
By KevinPotts , 2 days ago
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RE: Is your heat pump insured?
@richard24738 good to hear. I’ll also review them this ...
By Mars , 2 days ago
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RE: Warm weather and heat pumps.
Just looked at my WC setting, it is programmed for 25 D...
By Johnmo , 2 days ago