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Last seen: Nov 3, 2025
@derek-m its not my heat pump, so I wanted to see what was possible using just raw physics. Like I said, its theoretically possible to get that COP, b...
@editor I decided to do a bit of maths here as this claim also bothers me. So here we go and hopefully I haven't messed this up somehow. COP = [1/ e...
@editor it's right next to everything else in the "plant cupboard". It's where the old gas boiler still resides with the solar batteries, inverter, co...
@editor today's haul of filter crap. Considerably less than yesterday's
So, after several days I am there. All of the rads are lovely and warm - ALL of them. So I've taken this moment to lower the weather compensation by 5...
@editor seems simple enough, happy to do something if you are interested
@markc it's important to remember COP isn't just a function of power used, it's also of heat delivered. When you have a cop of 3.5 Vs 2.5 you are deli...
@mattengineer it's not a system as such. More that I had the solar designed with a place for batteries. It's meant that I've been able to expand my st...
@editor I check it again this evening and this is the result. One day and it's gunked up again. I think I'll check it everyday for the next week and s...
@mattengineer W Review?
@mattengineer absolutely. I'm averaging 7-8p/kw averaged using Octopus Go and batteries
@kundk you don't need to be 100% accurate. Just measure the window size, as they have a larger heat loss. Try to remove the window area from the total...
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Latest Posts
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 38 minutes ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders can I just add to @rob-of-york s comm...
By JamesPa , 4 hours ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 4 hours ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 5 hours ago
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Good to hear that you found a solution. Absolutely a...
By Batpred , 6 hours ago
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RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 20 hours ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews I have read you latest response re buffer ...
By JamesPa , 2 days ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 2 days ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 4 days ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
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@transparent we’re still running a secure version of PH...
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