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Last seen: Sep 13, 2026
Whether you need a separate thermostat for your UFH heating depends on 2 things, what flooring you have and what the maximum temperature is that the h...
@drei just a small detail on your table posted on the 24th. scop is seasonal coefficient of performance so you need a year of data . What you are sho...
@adamk &@editor I think these FRVs come into their own for professional first installation use We were very fortunate that our installer did a r...
In one en-suite bathroom we have a 180cm high towel rail which isn’t enough wattage really, but the bedroom donates plenty of heat. In another we si...
@adamk what you need is enough battery size to cover 3 hours of peak prices mid winter that you get on some tariffs so probably >10kWh, with enough...
Accuracy of -/+1C is normal
@jarlatheoin do put the MVHR in early it’s not an easy retrofit. Even if you save on the unit itself the ductwork is what is difficult to retrofit. Pu...
We have exactly what you describe, one utility room with UFH but radiators elsewhere. Design one single open loop, increase radiator size if need on...
Since you already have the ashp it makes little financial sense to add solar thermal to it. We already had solar thermal (vacuum tube type), so had an...
I think you’ll find it depends on the room heat loss. A low loss room can be heated by a much smaller difference between mean water temperature and re...
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Degrees of Separation
Latest Posts
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you are considering phasing the project, then I woul...
By GrahamF , 52 minutes ago
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RE: Siting of the external sensor on a heatpump
Of course had the heat source been a heat pump it would...
By JamesPa , 3 hours ago
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Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 3 hours 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 , 5 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 , 6 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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No, but the heat pump must be capable of delivering a S...
By JamesPa , 2 days 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 , 3 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 , 4 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago
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