Last seen: May 5, 2025
25,000kWh over 6 months, at 23hrs/day of heat input (allowing 1hr for dhw) gives you a continuous heat input of just over 6kW. I bet you could get a...
Every Daikin data sheet I’ve seen says 60 max…. And Daikin are keen to use their built in backup heater at every opportunity, so we see quite a lot of...
Project management is a hard task…. My sister has made a career out of in and it’s all encompassing. She works in the charging infrastructure space fo...
Radiator upgrades really are something that people should do… a 600x1200 type22 is about £75 from Screwfix, comes with fresh new white paint, no sludg...
Just to bias the conversation the other way, my retrofit install in an old house with marginal 50mm cavities works perfectly. The house is larger (we ...
Unfortunately most people seem to think that if it costs more money, it must save money….. this doesn’t help when comparing things to a gas combi swap...
Working my way through this…. One thing I would say, when everyone says ‘they don’t work’ what they mean is ‘they don’t cost less than a gas boiler’. ...
Most hot tub heatpump controllers allow you to offset the flow temperature sensor by a fixed value… failing that you can just fudge the resistance....
I’ll pull the numbers from the smart meter and let you know… we’re on the backstop energy rate, and on prepayment… I top up around £70/week at the m...
I’d consider my system to be installed quite optimally… I have one anti freeze valve, no flexis, and over 20m of buried primary pipework. I also don...
The most important thing to remember with external insulation is that it’s UV stable. So that’s either primary pro, or aluminum covered rockwool. st...
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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 , 21 minutes ago
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RE: Yes, the "zoning with ASHP" topic again...
James, thanks again for your thoughtful and persistent ...
By HarryRea , 31 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 , 3 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 , 4 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