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Last seen: May 10, 2026
That would be a very nice solution, leverage the existing aircon, without adding extra complication to the air to water heat pump. But if the aircon...
Did you count heat loss due to ventilation? About that... if there are bathroom(s) in the intermittent occupation rooms, could be useful to be able ...
Best performance occurs with PV string near inverter nominal input voltage (360V). So panels should be selected to not exceed max inverter MPPT short ...
If it's only a few days a year, I'd recommend a second hand mobile air conditioning unit, those with caster wheels, can be had for 150€ for 3kW coolin...
Cooling a slab works fine, I tried back in the day with the old ground source heat pump. I did it passively, without running the heat pump, since the ...
Yes it's a shame the manufacturers make this vital information so difficult to access!
IMO "Oversizing the heat pump" is a bit of an over simplification. What really matters is what water flow rate the heat pump likes, and its modulati...
First please check (and share) the cylinder documentation. For example while searching for "Vaillant 150l cylinder" I came up with this VIH RW 150/5 C...
Of course. Compare: When you lease a car, you don't own it. The leaser foots the capital expense (the car) and according to the contract, is respo...
Flow and return in dark blue, Outside temp in yellow, Indoors temp in light blue (living room). Indoors temp wiggles between 19-20°C. Underfloor h...
There is a trend these days of manufacturers attempting to screw over customers with mandatory cloud subscriptions. One hilarious example is BMW's a...
No idea if it works though Good practice is never buy anything "smart" or "connected" without first checking it can work with home assistant in pure...
Latest Posts
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RE: Estimating true heat loss from twelve months of consumption data
Hi @ian33a you could do your own heat loss calculation ...
By Judith , 4 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@djh ah, I have never seen this before, interesting ide...
By ASHP-BOBBA , 4 hours ago
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RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
By Judith , 5 hours ago
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RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
By cathodeRay , 7 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 7 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 12 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 15 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
By Broadsman , 17 hours ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 19 hours ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 19 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
That would be abnormal but I cant see from your charts ...
By JamesPa , 20 hours ago
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RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 1 day ago
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 1 day ago
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RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
By Deltona , 1 day ago
