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Last seen: Sep 13, 2026
@jeegnesh some small points to supplement what James wrote above. First the easy answer on your OP. It is very normal to have huge electrical consum...
Our 7kW Vaillant is wall mounted, no problem neat installation, noise minimal. It’s on the Vaillant recommended brackets. It’s not absolutely simple i...
@jamespa I’m less inclined to believe the shift of taxes onto electricity was to cripple the transition as unintended consequences. There’s plenty of ...
We have the original FIT tariff (very nice indeed thanks) and it’s long since paid for. Without finding the paperwork it was ‘inflation linked’. So ...
@editor contuning your theme of MCS. I started reading the audit committee investigation on the insulation scandal and Ian Rippon was explaining how g...
@colinc good luck with your project! UFH is the absolute best from both comfort and ASHP efficiency. We have it in the extension and wish we had elsew...
Yes! Our method of working is one of us does the analysis/ research (which is me on renewable stuff) and the other checks the logic and arithmetic. It...
Quite honestly I don’t know. We’re very pleased with our system, and are gas free, so we save money each year. But the payback time (at current pric...
we have a 7kW Valliant which has been running quietly and well for a year with a very satisfying SCOP of 4.7. Other people have had noise issues eg @j...
I’ve been reading to find out about the Bosch and you’re learning fast. Just for info our Vaillant is giving a cop of 5-6 in this mild weather. Our de...
From the time I was a physics undergraduate it’s been 25 years off. I’ve now retired and it’s still 25 years off. So it’s had a lot of investment th...
Sadly I think it is mad. If the BUS is not granted for too low a system SCOP (I forget the exact system interface definitions and numbers) then who pa...
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Degrees of Separation
Latest Posts
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Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 17 minutes ago
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RE: Siting of the external sensor on a heatpump
Our boiler came with the house.. We found all sorts of ...
By Batpred , 35 minutes ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 2 hours ago
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RE: Is it the house or the equipment?
@springswood We have two Daikin single split A2A syst...
By Rob of York , 3 hours 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 , 1 day 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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No, but the heat pump must be capable of delivering a S...
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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