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Last seen: May 7, 2026
True, but if the "thermostat" is actually the Mitsubishi controller (either the main one or the optional wireless remote extra), that could mean it's ...
Not all day here because the fog cleared, but a slight settings error saw our unit do 5 defrosts in the morning and only achieve a COP of 3.1 for the ...
The start of Nov has been fairly mild. What tunings have you tried, please?
True. All the ones I've seen have been at least two floors up.
I do not like the melcloud app, and its timers will fail if the internet connection is interrupted at the wrong time. That might be the cause of the e...
Yes, the unit was much smaller than the recess, with the rest of the grille being basically an intake for the rear of the unit.
Is it possible to mount an A2A in a recess so only the grille is showing. I worked in a (1960s) conservation area building where that was done,and I'v...
You say "curious", I say "stupid and unethical"! It also doesn't reward longterm energy reducers, unless we also load shift into peak on non-sav...
I think we are in vigorous agreement there. I did say RWT is used in delta T. I just haven't noticed it being used otherwise. I may connect a so...
At least on my Ecodan, I think the compressor shuts down if the difference between the water temperatures gets too small. I don't think it cares about...
I think the advice against third-party on/off thermostats is a bit extreme, but the basic idea is correct: weather compensation will almost always wor...
This is stupid and, unless they add countermeasures, will encourage people to move usage to peak times on not -saving days, so as to raise their aver...
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Degrees of Separation
Latest Posts
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RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 7 hours ago
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RE: Adventures in heat loss calculations
yes and no. apparently HG’s AI was automatically assumi...
By Batpred , 7 hours ago
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RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 8 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@rob-of-york Thank you for that, whilst familiar with t...
By kilgorexv , 8 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 8 hours ago
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 12 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 4 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 4 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 4 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 4 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 5 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 5 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 5 days ago
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