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Last seen: Sep 4, 2025
@kenb they can and they do but only with heat pumps own controllers. the problem is heat loss and there for load varies as the outside temperature c...
@kenb no they dont. contol technology just expects the flow temp to rise if the room isn’t at set point, and to wind down if it’s over set point...
@mjr im sorry I missed this. but yes if you can’t be bothered to fine tune on off controls will crudely solve the issue, at a price of higher en...
At the heart of the problem is the business model of the manufacturers. These manufacturers advise on government policy, all on payroll of non U.k. co...
@derek-m im a gas safe registered installer with about 200 of these systems over 20 yrs. there is no system that cannot accommodate this design, and ...
that’s vaillant heat pump or boiler 8 mixed zones , but it could 2 or 4. You would use a buffer instead of a header for a heat pump. the pipe la...
@derek-m there are standard designs , all the same from all the manufacturers. there are no variations
it’s all very sad that a modern country can’t embrace technology that does something different from what many expect, to produce the desired out come,...
@hughf yes you are like me! but the lack makes me angry with the system not installers
@hughf There is no continuos professional development program in the heating industry…
The best way of judging an installer or tradesperson is “would you have him to dinner”. No need to ask, but the professional will say no! You need a...
The problem here is heat pumps are promoted as a mythical different solution from gas boilers, but they aren’t! They are just another heat source! ...
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Degrees of Separation
Latest Posts
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RE: Siting of the external sensor on a heatpump
I agree. However I would also (primarily) expect that ...
By JamesPa , 9 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 , 12 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 , 16 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 18 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 22 hours ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 23 hours 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 , 1 day 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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