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Last seen: Oct 1, 2025
hmm interesting to know that you need to be logged in / signed up as an installer. I will have to remember that as I'm tempted to go down the Solar PV...
To report back on progress, I've had a good go with the V3.3. Freedom spreadsheet but get overall losses in the 11.5 kW to 14kW (70 - 90 W/m3) region ...
@bontwoody I'll be interested in hearing how easy it ends up being to set up the TOU to best use the tariff(s), a shame it wasn't enabled for you to s...
Thanks, I'll check it out. You mentioned you went with the Vaillant in the end as best fit. What criteria was this based on (out of interest)?
I think the lack of available HSE guidance other than that aimed primarily at commercial installations with a high likelihood of large, low turnover, ...
@abernyte Thanks, I've drawn out my house schematic (and associated rad list) and started a few initial measurements. I was going to start with the Fr...
@jamespa Thank you for the thorough reply, glad to hear they are a serious contender. They certainly seem to be a frequently installed model. Scrollin...
Obviously (as this thread proves) system design, installation and commissioning are massive factors in getting a usable heating system. Are there a...
Thanks for all the warm welcomes. @editor I think you’re right, best for me to start a specific thread relating to my ‘project’ @toodles – I believe...
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RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
Like @majordennisbloodnok I can truly say no overpromis...
By JamesPa , 1 hour ago
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RE: How many people are happy with their ASHP and do you believe them?
The data I provided was downloaded fromso at least on t...
By Majordennisbloodnok , 3 hours ago
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RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 5 hours ago
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@editor "The interesting bit is that many modern invert...
By Singlespeed , 6 hours ago
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RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 7 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I reached out to MCS directly last week on this and her...
By Mars , 8 hours ago
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Mentally you have to separate the ac side and the DC si...
By JamesPa , 22 hours ago
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RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 24 hours ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@l2jad I was just thinking all things being equal. Our ...
By AndrewJ , 1 day ago
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
Hopefully the ambient temperature sensor drives a weath...
By JamesPa , 2 days ago
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Hi, Does anybody have experience with Heat Geek insta...
By sttpd1917 , 2 days ago
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I will soon be struggling. Admittedly it is the summer,...
By Batpred , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
Not known yet. I've asked a local Councillor to follo...
By Transparent , 3 days ago
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Hard to tell but I think I have placed the arrow on wha...
By ASHP-BOBBA , 3 days ago



