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Last seen: Nov 12, 2023
I would see it like this: Before anything else, don't constrain yourself with just one point 9kW, there is a range from 6kW to 11kW that is close to...
As the flow temperature is degreased, the mean radiator temperature degreases, thus there is less heat transfer from the radiator to the air. As you c...
@jamespa if you are chasing the efficiency of on versus off running temperatures at the lowest output, then you better not have the radiators sized fo...
So that def means the WC should go lower flow temp at 15C outside, you can do that.
no, sorry, random internet guy
I hope you don't mind I've just used your newly installed system as an example whilst you were posting your own post. Initially I did question why y...
My opinion is that oversizing is not a problem until you let the heat pump run in weather compensation/automatically when the load is bellow minimum. ...
@jamespa I hope you will eventually get your own toy to play with in real time, so you can come to a conclusion based on facts rather than virtual dat...
a flock of sheep stacked around the house? any related clothing? wool knitted underwear is bliss
“Our heat pumps are also fitted with hydrophilic coated coils as standard which enable a more efficient defrost cycle as they prevent a large build up...
10% could be a real ballpark
2000 joules/m3 air/degree C
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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.
I can't help with your principal question but as a matt...
By JamesPa , 2 hours 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 , 5 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 , 21 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...
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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...
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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...
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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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