Last seen: Feb 23, 2026
I dont, because I dont turn it off unless Im going away for several days, and in that case the technology to schedule a timed restart (and if necessar...
Before I got a heat pump I turned down my gas boiler flow temperature from 70 to 50 which was the lowest it would go. The result was a much more comf...
OK. What Im seeing looks fairly normal TBH: 1 start per hour is good (1028 on off cycles in 1303 hours); there is no evidence of short cycling Un...
In general pure LWT mode will be more efficient because it means you are operating at the lowest flow temperature. It may well, depending on house, a...
Wow, that sounds like fun. There is another thread where someone with a Hitachi heat pump (featuring a more conventional vertical fan) describes a si...
@davidb Further to my previous post one further comment I would make is that 300l system volume is not consistent with 7 radiators. Unless you have a...
Since May 2025 it no longer a requirement in England to benefit from permitted development rights (ie planning consent without having to make a planni...
@davidb Once again I agree with Adrian. Houses have memory and different bits cool at different rates. So for example (this is just one mechanism...
I agree with the comments made by @adrian both about the fire and the DHW. You should also bear in mind that, with a low loss house, COP isnt so impo...
I think its small, but off course it could happen so please dont rely on it. They do a sample check of some kind on installers and my system was chec...
I have been wondering that myself. The fact is that, even with the buffer (meaning that the secondary pump doesn't have to push water through the pi...
The change in calculation methodology (which mandated BS EN 12831-1:2017 as opposed to the simpler calculation) were first published early in 2025 an...
Latest Posts
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RE: Setback savings - fact or fiction?
@cathoderay - thanks for an interesting discussion! T...
By RobS , 7 hours ago
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The road to upgrading to the latest CU standard is ofte...
By Batpred , 7 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@benson thanks a lot.
By Tasos , 8 hours ago
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RE: Electricity price predictions
I'm not so sure that the rest of society values a maths...
By JamesPa , 9 hours ago
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RE: Knock on effective of balancing radiators
@bash — another thing to be aware of is that inadverten...
By cathodeRay , 11 hours ago
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RE: Say hello and introduce yourself
Thanks a lot GC61 - I'll open a separate thread in due ...
By Kev1964-IRL , 11 hours ago
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RE: Rate the quality of your heat pump design and installation
Thanks @woofers64. It was a fair point, and the distinc...
By Mars , 11 hours ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
@falesh having a house of similar age the two issues I ...
By Terry1812 , 12 hours ago
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RE: Our Experience installing a heat pump into a Grade 2 Listed stone house
Remember that the house continues to lose energy when t...
By JamesPa , 12 hours ago
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@travellingwave, thanks for the post and kind words abo...
By Mars , 15 hours ago
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RE: Renewables & Heat Pumps in the News
@editor I'd missed that, and it's a very good response ...
By Sheriff Fatman , 15 hours ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
In a word don't, or at least think VERY hard before doi...
By JamesPa , 16 hours ago
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There has been quite a bit of discussion (mostly on OEM...
By MartinRobinson , 16 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@af1 My EPC rating jumped from E to C after installatio...
By dr_dongle , 19 hours ago
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RE: Homely setup on daikin heat pump
Hello fellow Daikin owner, my installer retro-fitted my...
By Toodles , 19 hours ago
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RE: A Smarter Smart Controller from Homely?
@odd_lion the minimum MCS requirement is 2.8. I don't...
By benson , 20 hours ago
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RE: Advice on potential HW Cylinder size
I think the comment about heating from cold is quicker ...
By sjcsystems , 1 day ago
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RE: Ideal HP290 14kW ASHP - how to optimise
Hi You can get a stethoscope for less than 10€ on Ama...
By bobflux , 1 day ago
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RE: Struggling to get CoP above 3 with 6 kw Ecodan ASHP
Your DT is to low, you do not have enough heat exchange...
By ASHP-BOBBA , 1 day ago
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RE: What determines the SOC of a battery?
I am aware. But is your chart direct from a Pace BMS ap...
By Batpred , 1 day ago
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RE: Call for heat on open loop weather comp system
I don't know Grant system but most ASHP are very simila...
By ASHP-BOBBA , 1 day ago
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@painter26 — good idea. Please do let us know what he s...
By cathodeRay , 1 day ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
Yes, but I need to reopen the battery box.. I just noti...
By Batpred , 2 days ago
