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Last seen: Oct 1, 2025
@derek-m In theory, a large buffer tank is a good idea, however, in reality, a 500 litre tank will only hold 12 Kw of heat with a rise of 20 Deg C. If...
@derek-m, I have never seen any effect from being in the sun or shade, a single fan unit will move between 4000 and 6000 M3/hr air per hour (double wi...
@morgan Sorry, not here to get business, just to help.
@grahamh Hi Graham, Fancy seeing you here!!!
@morgan Do not worry, I am here to help. A lot of people do things differently and are not too worried about the performance of the system. I have ove...
@gonzho I am interested in overall performance, preferably on an annual basis SCOP in other words, Instantaneous performance bears little resemblance ...
@morgan Unfortunately it is not simple to heat a house efficiently. To put it in a nutshell, you want the heat pump to pump the circulation water dir...
@morgan system separation is where the heat pump circuit is separated from the house circuit. There will be pumps pumping to the heat pump and a separ...
@editor If you have a standard on-off thermostat, whether compensation will not work and your system will not be as efficient as it could be.
@morgan That will work well, tell them you only want TRV valves on the bedroom radiators, and just lock shields on the rest. Tell them also you do not...
@gonzho Thanks, it looks to be a very basic controller, but interesting. What levels of performance are you achieving? We are developing a unit tha...
@gonzho Please can you re-post the link, it is not working.
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Latest Posts
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RE: Electrical works for air to air heat pump
@mrkfm I think that it is reasonable to expect them to ...
By ASHP-BOBBA , 11 minutes ago
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RE: Are there any comparisons of DHW heat stores around?
If you have a good ToU tarrif and an existing immersion...
By JamesPa , 1 hour ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@hml1827 1962 / 3 winter is remembered by me as my last...
By Toodles , 2 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 , 19 hours 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 , 1 day ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 3 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 , 3 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...
By EtchedPixels , 3 days ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 4 days ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 4 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 4 days 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 , 5 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 5 days ago

