Last seen: Apr 24, 2025
@bontwoody A lot of the reason the u value doesn’t scale with 1/wall thickness is because in-situ insulation also includes air boundary layers. Tha...
We have a small gshp, and in very cold weather the glycol out can be 0C, sometimes even -6C by the end of winter in a cold snap. Our rads run at 32C ...
I’d recommend getting a smart meter, and asking for daily or finer data. The highest daily gas use in kWh, divided by 24, will be the smallest heatpu...
I have an ohme commando plug charger, and I remember the test charge was a hassle with IO go. The smets 1 smart meter we have was stated as an issue ...
150W average overnight - in order that’ll be: fridgefreezer, mvhr, ftth router, water softener, loads of standby stuff. There’s no standby stuff tha...
We’re all elec too, and on a 100A single phase fuse. I haven’t considered changing it to 3phase - it would be simple though to fit even more PV ...
I made supports out of recycled plastic lumber, aluminium, and stainless screws for our flat epdm garage roof. The lumber is 40x40x3000mm from ‘filcr...
Our hybrid inverter is a sunsynk, and while it states the SOC monitored by the (Seplos mason) battery I’m pretty sure it uses its own voltage measurem...
‘Natural’ gas energy content is usually given at the Lower Heating Value (LHV). This value is not the total chemical energy, but assumes all water cr...
The choice of refrigerant is always a compromise. So far as I'm aware, they are generally: Poisonous / High GWP / ozone depleting / flammable / sup...
Compared to having ‘natural’ gas piped continuously into a home -a permanent gas source, the tiny amount of r290 kept safely in a heatpump for many ma...
I wanted to put our r290 gshp near a kitchen drain. And found to my dismay that it didn’t have a trap! Bit of a faff, but managed to swap it out for...
Latest Posts
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RE: Commencing on an ASHP Installation Process
I should perhaps have mentioned this in my post, as I'd...
By Sheriff Fatman , 7 hours ago
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RE: Mitsubishi cycling while on chilled water output
@jamespa you are so much faster than me, happy to see g...
By ASHP-BOBBA , 8 hours ago
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@jamespa Thanks for the advice - very helpful. I had al...
By abam48 , 18 hours ago
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RE: Weather compensated secondary circuits with Biomass
Hi @andycoo we do an LK 110 standalone weather compensa...
By Sune , 19 hours ago
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RE: Adding battery storage to SolarEdge PV system
@chandykris No need to apologise at all! I forgot to ad...
By Toodles , 2 days ago
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RE: Say hello and introduce yourself
Yes please do Suggesting a loss in the region...
By JamesPa , 2 days ago
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RE: Surface mount or bury primaries for heat pump installation?
Can we have some links to those you're considering plea...
By Transparent , 2 days ago
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As I have reported elsewhere we turned on the cooling o...
By downfield , 2 days ago
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@hughf, I think we’ll organise an RHH session at Instal...
By Mars , 3 days ago
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@el3b Hi, sorry to hear that, it is advisable to instal...
By ASHP-BOBBA , 3 days ago
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RE: Difficult positioning of air source heat pump
@rikiarn Out of intrigue, the thread reads as though Ai...
By Sheriff Fatman , 4 days ago
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RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop
@m1kegibson If you are able to access the service me...
By HarriUp , 4 days ago
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RE: When will heat pumps and install prices come down?
... which of course is impossible because the world mov...
By JamesPa , 4 days ago
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RE: Battery storage to run Heat Pump.
I would be surprised if the battery chemistry is going ...
By Transparent , 5 days ago
