Last seen: Jul 4, 2025
@derek-m thanks for that - as an FYI our heat loss is 8774w and our emitters are 12,115w in power From this, on the coldest day of winter we would u...
@derek-m below is the 90th percentile coldest day where I live. Its very mild here as we are on the coast and I imagine this would have a big effect o...
@derek-m I do have a calculated heat loss with room by room radiators - would this be useful in your scenario? Our primary living is in one room (12m ...
@derek-m looks like it works. As an FYI you can use the formula FORECAST in Excel to estimate a data point from available data e.g. off number tempera...
As an FYI this is the temperature range where I live - as you can see we are mild pretty much the whole year, with the odd cold day. The coldest point...
@derek-m there is definitely some kind of issue with the file - wont open for me either
@derek-m that's amazing. Thank you! As an FYI I already copied most of that COP and temperature data into Excel, if that helps?
I've just found a whole section on heat pumps for Nest thermostats - quite interesting!
@morgan
@derek-m I've emailed the guy who installed the system to ask
@derek-m I would assume it controls both, as there is little point running the ASHP and not the central heating pump and vice versa. The Nest will cal...
@derek-m I don't think they'll raise the go price for the moment. I doubt there are too many people on it so I doubt it's casing many issues with thei...
Latest Posts
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
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I switched to "fan coil mode" to be able to set water t...
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Without a survey their only source of data is probably ...
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
Hello, unfortunately i did not take any photos, but you...
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
I think you’ll find it depends on the room heat loss. A...
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil Fwiw I have the 7kW model with which I'm, ver...
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
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RE: Midea ASHP – how to set weather compensation
@cathoderay OK let's wait and see, it sounds an interes...
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RE: What is the Heat Geek Guarantee?
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RE: Electricity price predictions
Community energy installations are a great idea, but th...
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Ooh, heat pumps in neon blue wrap 🤣 🤣 &...
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@profzarkov Good to know in case it ever happens to me...
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RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?
I mean, is this surprising? The local installers in my ...
By Alex , 3 days ago
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@old_scientist sorry, I should have made it clear that ...
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RE: Boiling Mad: Exposing Radiatorgate
Hi @Rob, I’d be more than happy to contribute. I have ...
By DREI , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@andris a great year - very happy with our system
By Profzarkov , 3 days ago
