Last seen: Dec 1, 2025
13 degrees! is that a typo? who installed that?
@georgea It defrost more when working hard in cold/humid weather. The only way to get it to defrost less is to make it work less hard and produce le...
@jamespa We have a wood burner, and use it. But one day they might be banned. All this is pretty depressing to be honest. During the build we ha...
@jamespa hmmm..... one to ponder. I've no idea how dry or wet the soil is. the old part of the house is from 18th century. But, I've put a 20K...
@jamespa yeah, LVT direct to it, very thin profile. maybe 10-15mm on top of pipe
@jamespa we did have this discussion during the build. I was quoted 10-15k to dig up all the floors and insulate them, and some were in an old cott...
@jamespa The LLH is above, which typical max flow and return the system gets too. Taking it out sounds like a plan, but a) I'm no plu...
@jamespa I've done this last winter somewhere. I got some good advice then. Nub of it is, I think, poor design between UFH and rads. UFH gets mo...
1) talk to your neighbour, that's unacceptable noise, and try to work through to a solution that keeps relationships and works for all 2) If 1 fails...
@editor the size matches the heat loss calc they did. But, they assumed there was some insulation in one floor where there was none. They installed th...
@editor there is plenty of emmiter capacity. The heat punp ain’t got the puff to get the flow temps required.
This recent cold snap on mine has made we want to rip my heat pump out and go back to living in a cave. 2 years, numerous site visits, nothing chan...
Latest Posts
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RE: Replacing my 18 month old Hitachi Yutaki ASHP
Yes, you can work out a lot from a plot of FT. Interes...
By JamesPa , 2 hours ago
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Welcome to the forums @isaac. What you’re describing is...
By Mars , 2 hours ago
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Win an Eve Smart Home Bundle worth over £350!
Win an Eve Smart Home Bundle worth over £350! ...
By Mars , 2 hours ago
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RE: Is your heat pump insured?
I chose Tesco in the end. Unambiguously cover HP, PV an...
By Davesoa , 4 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk You can get an idea of if your flow and return...
By SimonF , 10 hours ago
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This Solis inverter being rated 8kw and (I expect, as I...
By Batpred , 13 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I have one fancoil in an otherwise all radiator system....
By JamesPa , 14 hours ago
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RE: How good is the app support for your heat pump?
I would describe the Vaillant app as pretty reasonable-...
By JamesPa , 16 hours ago
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RE: Electricity price predictions
That's understandable...but I was referring to our 'oth...
By Transparent , 17 hours ago
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@batpred Inwas looking at the Ånderson Wall Box, found ...
By AgentGeorge , 17 hours ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
I'll be interested to see how you get on. Are ...
By Bash , 18 hours ago
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RE: Battery with existing PV - regulations
We submitted our papers for SEG, so hopefully we will s...
By Batpred , 19 hours ago
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RE: One Year Review: Grant 13kW ASHP - A Catalogue of Errors
@solenoid Its probably worth adding that, done well, g...
By JamesPa , 21 hours ago
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RE: Solar panels on side of house to heat water
My solar panels (both PV and thermal) have not required...
By Transparent , 24 hours ago
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RE: Rate the quality of your heat pump design and installation
@solenoid Welcome. I have made some commen...
By JamesPa , 1 day ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@f1p Thanks for the info, good to know
By ThunderMink , 1 day ago
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@toodles I will do, it can’t go any worse than my last ...
By Grantmethestrength , 2 days ago
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RE: Configuring third party dongle for Ecodan local control
Yes, it is certainly an advanced feature and quite diff...
By F1p , 2 days ago
