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Last seen: Sep 13, 2026
That shows a highly respectable COP of about 3 each month. Good choice on your part. How zero disrupt was it? Did you need upgrade of the pie work d...
The ashp measures exit and return flow temperatures which are usually designed for up to 5C. Thermistors have a measurement uncertainty of about 0.5C,...
@davidb you have said that your house is very well insulated and therefore your heating will be lower compared to your DHW usage. Michael de Posesta...
We moved to induction hob to be gas free. But I have to say it is MUCH nicer than gas, even quicker to warm up and obviously much easy to clean. We ...
Mick Wall has written up a good article about the modes, better than I can. Please ask more questions if you need to. There’s info on the app too.
Thats generous! Does the small print of the grant allow DIY? In UK it has to be a MCS registered professional( doesn’t guarantee competence) and repla...
This week was very mild here so our 7kW heat pump reports a COP for the week of 4.8 for combined heating and DHW. Our house requires ~8kW when -5C whi...
@dr_dongle we use Cosy (another octopus tarrif and together with the battery in January our average electricity price was 18p. So we used more on some...
The generally accepted ratio from the 50Pa test to natural usage is 20. But I wanted to understand why and can’t now re-find the references I used to ...
Mick Wall has a very thorough measurement set of air changes per hour for his house, on his web site/p>
@adam awesome trouble-shooting I’m seriously impressed. Congratulations so far!
If this genuinely does the remedial work then yes good idea, also good if jobs are finished not left at 90% complete. But the cowboys doing some of th...
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Degrees of Separation
Latest Posts
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
@jamespa yes it was costing them a lot to run in the la...
By StuChi , 4 minutes ago
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RE: Siting of the external sensor on a heatpump
@bobflux My Daikin ASHP is SSW facing and the wall behi...
By Toodles , 27 minutes ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 22 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 1 day ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 1 day ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 1 day ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 2 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 2 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 2 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago
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