Last seen: Jul 20, 2025
UFH should never be at 50C since small feet can get burned. I think the regs say 39(?). But your floor covering could be damaged too unless it’s tile ...
20miles away is not too far for a good install. Our installation was done by a guy who lived about 25miles away but some of his subcontractors (who ch...
Key to this discussion is compressor performance. John Cantor addresses this at the end of his very useful YouTube video on ashp cycling. He shows one...
That’s just a guess, and your usage patterns may vary. It might be worth trying to work it out for your circumstances. If you want to improve your c...
If you have a decent export tariff such as Octopus’s 15p then you use the export to build up your cash in your account over the summer and then spend ...
@jamespa not found the hysteresis to be a problem yet. The house warms up a lot in the sunshine so it’s only back to our desired temperature by later ...
Ours is 1000 starts in 3200 hours running time over 6months. So twice the rate of James, but again nothing I will worry over. Nice discussion from M...
@jamespa use expanded mode! It’s ideal for that, and I’ve just moved back to it.
@gary thanks for that link. A very useful analysis and I’m pleased to read the author’s view corresponds to my quick glance on it being some batches. ...
@eliuccio there are some very high level arguments in this thread which will be challenging at first read. Since you want to make a decision perhaps t...
Nice data set Gary. Tesla clearly had a quality issue with the PW in 2019-20, in that many are showing much reduced capacity even with few cycles. We...
Our Vaillant at present (outside temp 18C and the heat pump is off since internal temperature is above the set point) has a target temperature for wat...
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Latest Posts
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@eliuccio good to hear you’re happy with the install. A...
By Mars , 2 hours ago
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RE: No-code, plug-and-play monitoring for your heat pump
The issue with the Grant is that you have to wire direc...
By Grantmethestrength , 18 hours ago
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RE: Is this just haze or something more?
I am not a scientist nor a meteorologist and I know the...
By Toodles , 18 hours ago
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RE: Benefits of an extra horizontal loop for GSHP
It will improve performance, but by how much depends on...
By Brendon Uys , 23 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
Said I would pop back with a update. Only Mr Jesus h...
By Burtis , 2 days ago
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RE: Buffers, hot water and cooling
Thats presumably heat pump DT, what about radiator DT a...
By JamesPa , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Exactly the same here. We now have 13.5kWh ...
By Old_Scientist , 2 days ago
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Compressor and Evaporator Stratification
I have had a few issues with my Hitachi spilt heatpump ...
By trebor12345 , 2 days ago
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RE: Wood burner with ASHP - direct air?
This depends on the size of your wood burner and size/t...
By Lucia , 3 days ago
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RE: Difficult positioning of air source heat pump
@rikiarn It's a not a buffer it's a volumiser which is ...
By Lucia , 3 days ago
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RE: Is your heat pump insured?
To make things clear, lots of insurance companies cover...
By Lucia , 3 days ago
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RE: Boxt Heat Pump Installation Experience
@adrian any updates since installation? How is it perfo...
By Ashfp , 3 days ago
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RE: Say hello and introduce yourself
Hi @seatonian - Yes, I know Seaton, and I have the Nat...
By Transparent , 4 days ago
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@seatonian got your email. Will connect you with a reco...
By Mars , 5 days ago
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@downfield and @toddles, this isn’t in the settings cur...
By Mars , 7 days ago
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RE: Homely launched for Grant Aerona ASHP control
I haven't bought the Aerona Smart Controller (£700!) bu...
By Prunus , 7 days ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
For the record, Grant supply ethylene glycol for their ...
By Prunus , 7 days ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 1 week ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Ebac 5kw - Monobloc R32. Developed and made in UK - Mit...
By marcinwloch69@gmail.com , 1 week ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Just another thought - it might be worth thinking about...
By JamesPa , 1 week ago