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Last seen: Sep 4, 2025
i’ll join you. Heat pumps aren’t special, they are just another heat source for a heating system boiler manufacturers use the same compensation c...
@webcmg why did you want heat in the radiators…the whole point of any heating system is to have warm rooms, NOT hot radiators!
@derek-m the difference is of course what happens in your industry stays in your industry, but what happens in the heating industry leaves a wake of u...
@derek-m we do ask and nothing happens. Genuinely whilst are regulatory standards are not in line with the manufacturing countries, nothing will chang...
yes a lot of more engaged installers are is in despair. Over the years there have been efforts to engage manufacturers and update training. it meets ...
As an installer i can assure you there is no training on weather compensation, its correct application and the multitude of parameters anywhere. Those...
@kev-m a circulation pump is used to circulate hot water around a loop to reduce the wait at a tap. presumably the cylinder has moved further away fro...
Radiators all are sized for peak load AND a rapid heat up time. If the rapid heat up time is designed out with weather compensation there is no need t...
if that is not happening then opportunities for efficiency are lost two ports create standing losses ie wasted heat they can be used with the rig...
The key to optimising energy efficiency with a heat pump and condensing boiler is constant flow with variable temperature. Thus as room temperature ri...
i stop looking when i see two port valves and i’m a 62 year old heating engineer. high efficiencies can only be delivered with constant flow and varia...
@london-trader really it depends on floor structure. ceramic tiles on screed can have a curve as low as 0.2 or 0.1 also make sure the time windo...
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Latest Posts
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Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Hi All, a friend had a Nibe F2040-12 12Kw heatpump in...
By StuChi , 27 minutes ago
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RE: Siting of the external sensor on a heatpump
My heat pump receives sunlight, so when the fan is not ...
By bobflux , 2 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 , 17 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 , 21 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 23 hours 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



