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Last seen: Oct 21, 2026
@gruff2001 I had an MCS inspection on Tuesday. He checked whether we had a proper soak-away for defrosting the heat pump, looked at the pipework arou...
I was asked to help a lady who had an Ideal heat pump installed under the ECO4 scheme. She asked for help, because the lounge thermometer was reporti...
@jamespa I read the original post, which I interpreted as saying that he wants the house to be 16C during the day and 15C at night. I think he is a f...
This may not be a helpful post, as you have already purchased the equipment, but I have a couple of questions: Assuming you have just installed th...
A couple of suggestions: It is important to set the weather compensation curve correctly at both ends. Otherwise, a change of outdoor te...
I have a Grant Aerona R290 15.5kW heat pump, which is running very nicely. Certainly don't go for the Aerona3 R32 heat pump or its antiquated control...
@jamespa I agree that it is important to avoid a 4 port buffer or low loss header, due to the impact on efficiency. My understanding is that volumis...
I would agree with your view that the larger house will be less efficient. The basis for this is: There might be longer pipe runs outside the hea...
@toodles interesting suggestion, thanks. I will try to resist the temptation to hijack someone else's topic to solve my problems!
@jtg while you are checking the plumbing of the buffer tank, make sure the flows are at the top and the returns are at the bottom. Mars explains in t...
I agree with @jamespa that your buffer tank and secondary pump may not be required at all. I have a 1960s two storey house with 30 radiators. I have...
A quick Google search showed that building regulations have required floors to be insulated since 1990, so you should have some. However, your floor ...
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Latest Posts
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RE: How will removing the standing charge on gas bills benefit heat pumps?
I'm not sure it makes much of a difference to heat-pump...
By Temperature_Gradient , 3 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 4 hours 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 , 5 hours ago
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RE: New Build 3 Phase or 1Phase
We are on three phase power because it's an enormous li...
By EtchedPixels , 6 hours 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 , 14 hours 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 , 22 hours ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 2 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 2 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 , 2 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 , 2 days 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 , 2 days ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 2 days 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 , 2 days 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 , 3 days ago
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