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Last seen: May 7, 2026
In general, yes to all of the above. In particular, with a Mitsubishi ecodan, no, raising part of the curve does not always use more energy, because t...
The Mitsi unit I've got may be mediocre but it's heating my house, while @cathoderay's Midea isn't heating hers... but maybe the unit's worse while th...
Hello and welcome. I've little to add just now except that microbore is probably going to be a nuisance. I think all of the ASHP installers who answer...
I don't see why it would be difficult to measure energy consumption. It would be the boiler oil consumption rate times the time the oil is being pumpe...
@majordennisbloodnok It's recaptcha. Which isn't a captcha (Completely Automated Public Turing test to tell Computers and Humans Apart) because it fai...
If other security is being increased, might it be possible to remove the insulting "recaptcha" physical ability test? I know my eyesight and hearing a...
Hi @kev-m (and maybe @derek-m will have a view on this too) I'm now bumping into a similar problem. Weather compensation seems to mean my heatpump is ...
Septic tank here. As I understand it, while not as sensitive as a home sewage plant, it's still worth being careful because the better the tank flows ...
Greetings from off the gas grid in West Norfolk! We replaced the 1990s oil boiler in our 1980s house at a very fortunate time, by the looks of oil pri...
I think it is probably unnecessary but we will never hear the end of it from boiler fans if a heatpumped tank hosts an infection, so I have the standa...
@editor I suspect some will be grant inflation, some will be the costs of heat pump training and certifications being spread over fewer customers and ...
Could it be all renewable-powered transport, please? Ebikes and even bikes have more to add than heavy high-embedded-carbon EVs, but of course EVs are...
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Latest Posts
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RE: Surface mount or bury primaries for heat pump installation?
The installation is almost done! I've written up two ...
By tomasmcguinness , 3 hours ago
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RE: Adventures in heat loss calculations
As others have said, well done, and thank you for posti...
By cathodeRay , 3 hours ago
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RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 12 hours ago
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RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 13 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@rob-of-york Thank you for that, whilst familiar with t...
By kilgorexv , 13 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 14 hours ago
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 17 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 4 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 4 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 4 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 4 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 5 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 5 days ago


