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Last seen: Sep 13, 2026
I just came across the gov.uk announcement. They did not even managed to get MCS in line, this is what they quoted the head of MCS saying: "What ma...
@jamespa Vaillant have specific requirements in term of RCD type and MCB curve. Contactum sell these types of RCBOs in 16A for £25 (in boxes of 5)....
I am now coming across some complexity that seems to have developed with Vaillant heatpumps. I found this text about the claimed requirement: "Vail...
@l8again It seems you did very well. With our HG heat loss, we did not have anything proposed close to a SCOP of 4. Our heat loss is also outside...
Just wondering how you went in the end? A guaranteed 400% efficiency including hot water looked pretty good, did you have Heat Geek do the work? &n...
That makes sense. If the heat transfer into a cylinder is better, the pump can be run at a lower FT, helping efficiency. In our case, the heat geek...
Thanks, we also heard about the thermal store, to be used in combination with a cylinder I believe. It was described as similar to a combi, but to ...
@toodles This is what mostly comes to mind: Quis nos ab his custodibus servabit?
For us, adding a 16kwh battery means a heatpump can reduce energy costs by 50% (instead of a 10% drop(. And since our £/kwh is significantly lower tha...
Just wondering what are people's opinions experience with the Heat Geek's cylinders. Newark I believe?
These are the GB plans. This must be achievable, like there is plenty of wind power being connected. And of course that carbon goal has already bee...
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Degrees of Separation
Latest Posts
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RE: Siting of the external sensor on a heatpump
OK perhaps my original statement was badly worded if ap...
By JamesPa , 7 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 , 14 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 , 18 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 20 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 24 hours 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 , 3 days ago
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RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 4 days ago
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