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Last seen: Sep 11, 2026
Having had a brief read through some of the comments, it seems very clear to me that swapping to a HP as a distressed purchase if your gas boiler brea...
Toodles makes a valid point. How many people care about the efficiency or installation quality of their gas boiler, let alone the noise (whic...
I only switched ours off yesterday. As the nights were a little chilly, it was nice to wake up to a warm house. During the day it switche...
@batpred My wife was not interested at all and certainly not when she had to move out with the children for a week during the install. Thankfully...
@batpred BG said they'd like just one radiator off a 15mm run, 2 at a push, any more and they'd prefer to re-pipe. It was impossible to tell with...
@batpred Our BG gas install from survey, to handover and a visit a month later to do some extra re-pipe work was fantastic, I'd absolutely...
@batpred If you want it done properly, fitted by a decent installation team and run efficiently and effectively ,it will almost certainly be more d...
@batpred My HP was fitted on the same wall as my gas boiler and existing megaflo cylinder, the primaries are less than 2m. It certainly wasn't no...
@markspencersmith "Thinking on this, I have to agree with a guy I saw who concluded this is tosh. Open all the lockshields fully. Smart TR...
@editor I too had a long list of questions, some of which I pulled from your book. The sign of a good installer is they are more than happy to di...
@madsid I don't quite understand what extra you need to do to protect the cables? Surely there is already enough in place. I.e you have appropr...
This was a reasonably cold day with the heat pump running quite hard. We got close to exhausting our 45kwh storage, with only a tiny amount of peak ne...
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Latest Posts
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 4 minutes ago
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RE: Daikin ESPAltherma and Home Assistant installation
@majordennisbloodnok Thanks. Currently the system ...
By Bash , 13 minutes ago
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RE: Siting of the external sensor on a heatpump
Here's my heat pump running with a steady mildish 'OAT'...
By cathodeRay , 40 minutes ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
I don't know if this helps, but I thought I'd add some ...
By Bash , 1 hour ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
@judith Thanks very much for this! My room by room calc...
By jon , 16 hours ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
I think that is outrageous even if I suspect not unique...
By Batpred , 17 hours ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 20 hours 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 , 1 day ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 2 days ago
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RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 2 days ago
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay @jamespa I've managed to get some nice re...
By Rob of York , 3 days ago
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RE: 7kW EV Charger Options Advice
Doh, not sure that I was thinking straight there, less ...
By Rusty , 3 days ago
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Thank you @trebor12345
By rgabor , 3 days ago
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Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
By Toodles , 4 days ago



