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Last seen: Aug 18, 2026
If only others took the same approach we would see far, far fewer posts on this forum (and others) complaining about poor performance, and indeed far ...
100% agreed, I am a firm believer in the liberal use of occams razor!. I was just saying it (balancing a buffer) can be done, although it seems, judg...
... particularly if you have TRVs and zone valves randomly switching on and off, which may well have been part of the 'justification' for the buffer t...
1022kWh here, 200sq m detached 1930s property with piecemeal fabric improvements, loss ~7kW @-2. Figure is from the (Vaillant) heat pump itself not i...
You don't say where you are, but I checked the climate for January in central England Jan 2024 vs Jan 2025. Jan 2025 was significantly (16%) colder...
designer is talking rubbish. See page 14 of this document It sounds like its moving in the right direction. TRVs may not have the same effect ...
Just use antifreeze valves instead of glycol, then there cant be an issue.
MCS spec for bedrooms is actually 18C. Its quite difficult for an installer to balance radiators properly because it takes a long time. If you post...
Glad to hear that you are pleased with the heating of your house and generally happy. It may well be that there is scope for a bit of optimisation of...
Similar really, rads 5C lower than output of ASHP = 10-15% penalty. Difference of 2C on the return possibly a measurement error. I think @toodles mig...
OK, so 41.9 in from heat pump, 37.1 out to rads, drop of 5C = 10-15% efficiency penalty. Not sure how the return to the heat pump is higher than the ...
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Degrees of Separation
Latest Posts
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Agreed, @jamespa and @judith. That’s just it. A fair nu...
By Majordennisbloodnok , 4 hours ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 6 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@lizzie Thank you, very interesting and useful informat...
By Toodles , 9 hours ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 12 hours ago
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Readers here please note that Derril Water and many oth...
By Transparent , 13 hours ago
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RE: Is it the house or the equipment?
- Comfort and silence (for heating) - Heat storage wi...
By bobflux , 14 hours ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 14 hours ago
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RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 14 hours ago
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 15 hours ago
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Of course, what do you expect, human beings are human b...
By JamesPa , 15 hours ago
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RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 1 day ago
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I'm not sure why you would want to make it more difficu...
By JamesPa , 2 days ago
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RE: Wood burner with ASHP - direct air?
@lucia FWIW installed a woodburner some years ago. ...
By JamesPa , 2 days ago
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