Last seen: Apr 24, 2025
Groundsource is usually a lot simpler - a lot of them are just simple on/off things just like an old fridge, controlled by relays and thermostats. Th...
@murchison2003 Our heatpump is tiny. It takes 1800W from the ground outside, using 600W of electricity. So that 1800W from outside over 200m (30m...
@derek-m It is gshp yes! 230m of pipe buried in the back garden, 800mm down. Had it for just over a year, all good so far:-)
@derek-m Cheers, I’ve obsessively been insulating for years, I need a new hobby! @kev-m It’s actually LWT-Tgroundwater. Not that it makes a h...
Our heatpump has been going for 13 months, used 1580kWh of electricity, and produced 5803kWh of heat. Most of that is heating the (4 bed 1963 build) ...
I started by cable tying temp sensors to pipes, and wrapping with loads of insulation, re-wrapping, getting a different answer... There is no doubt i...
In my experience, the temperature is much harder to monitor accurately enough than the flow rate. We need two sensors well connected to the flow and ...
@iancalderbank The flowmeters I use are cheapie £8 things that look like this from Amazon, which claims 2%. I have two, one on the house circuit m...
@derek-m The sensors are tsic506f, and they connect up to an mbed(old micro type I’m used to) that I programmed with a free Arm account. There’s a...
I used a couple of 0.1C accurate temperature sensors for flow and return - they’re pushed into thin copper tubes which are thoroughly soldered to the ...
We changed the glass in our circa 1990 uPVC windows 11 years ago. The double glazing units that were in were the standard of the time: 4mm glass/16mm...
@mattengineer It follows the load quite well. If the Indra box is "on", then the smart meter tends to read between -50W and +50W, except in the ch...
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 , 8 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 , 3 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
