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Last seen: Aug 21, 2026
As @derek-m says you need to unbundle 'poorly installed'. WC disabled is worth 10-20% (less at lower fixed flow temperatures, more at higher fix...
I shall consider myself duly reprimanded. I don't really do emoji so Ill opt for the simplest 😀
If its 2-3% for each degree (which I believe because its what the data sheets say) then how does it become 40-70% for 5 degrees? 1.03^5 (ie compounde...
No, but I do reserve the right to decide whether I am treated or not, and to request the surgeon to explain the trade offs (which good ones do) if the...
If this is the case we need to see the evidence and understand the reasons, as it's completely at odds with the manufacturer data. And if it is the ...
I'm not disagreeing with you, ideally you should be given the choice (and informed of the implications) and, if the price is the same, then it comes d...
In principle I entirely agree. However unless it's mandated by government, suppliers aren't going to provide extra services free of charge and as a c...
I know what the manufacturers figures say! Taking a concrete example, Vaillant 7kW scop is quoted as 3.91 at 45 and 3.39 at 55. That's no where lik...
Thanks. Interestingly the Institute of Acoustics points out that locating an ASHP on the road side of a property will often make sense in terms ...
Im not sure Octopus is any worse than 'smaller' installers, who frequently insist on radiator (and cylinder) changes even if the customer doesn't want...
I don't for one moment dispute that there has been underinvestment, but that doesn't mean that load shifting should be dismissed. It makes perfect se...
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Degrees of Separation
Latest Posts
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@old_scientist I’m thinking along the lines of a multis...
By Toodles , 15 hours ago
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Britain’s Heat Pump Shitshow is now available to pre-or...
By Mars , 17 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 3 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 3 days ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 3 days 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 , 4 days ago
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Readers here please note that Derril Water and many oth...
By Transparent , 4 days ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 4 days 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 , 4 days ago
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 4 days 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 , 5 days ago
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