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Last seen: Oct 12, 2026
@cathoderay Agree. The previous heat loss calc was from 2016 when I was working out heat loss for the Quantum storage heater. I have installed double ...
@rob-of-york I had wondered about A2A. That's something else for me to think about and get quotes for. The current water heating is by immersion heate...
@jamespa I assume getting the WC curve and rad balancing right is what gives you a decent heat pump system. I assume once you've set this up it doesn'...
@cathoderay I use honeywell app on my phone to control the E7 circuits. The honeywell app is similar to hive and I can set different times for on / of...
The RRP for the 2 Quantums is £2056 which I assume the local approved installers will charge. Additional to that is the install cost which will includ...
@cathoderay That is the same problem that we have now with storage heaters. I remotely turn them on 1 or more days before we are turning up to get the...
@jamespa There are 5 rooms and no pipework for radiators.We will not be changing how we use the house but we won't own it forever and I'm guessing tha...
@jamespa You have to bear in mind that this is a holiday home so is unoccupied for most of the year. We do try and go every month but the number of d...
@cathoderay I too remember the Airfix models of my youth but don't think I ever had the patience to do a Lancaster bomber.I also remember the complex ...
@jamespa E7 energy usage seems to vary a lot from year to year probably based on how cold it is and how often we are there.1638kWh 2024, 5399kWh 2025 ...
Probably shouldn't have used the word modelled. I have used commercial software with currently accepted U values for walls, floors, windows etc to gue...
@cathoderay I've noticed SPAB have done work on heat loss thru' solid walls on older properties and found the U value's to be better than RICS would s...
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Latest Posts
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RE: How will removing the standing charge on gas bills benefit heat pumps?
@toodles GIGO always stands! My Cosy 6, as you can...
By Watcher , 2 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Mystery solved to some extent. Need to selec...
By dansus , 4 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Interestingly we had an internet outage about a month a...
By Rob of York , 9 hours ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 9 hours ago
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@transparent we’re still running a secure version of PH...
By Mars , 12 hours ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 1 day ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 1 day ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 1 day ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 1 day ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 1 day ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 1 day ago
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RE: BT cuts you off, Plusnet blames Openreach... welcome to “seamless” broadband switching
Both of which (in most cases) use Openreach for the las...
By JamesPa , 1 day ago
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RE: Renewables & Heat Pumps in the News
Yes, this is a swiss and german standard I believe, Vai...
By Batpred , 2 days ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@editor FWIW my problem was resolved, eventually, after...
By BigFish , 2 days ago


