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Last seen: Mar 1, 2026
@wasz Note: If you're adding a 3.6kW inverter to a 1kW system, you'll have to ask your DNO if that's ok. G98 is the form I think. You get a total o...
@wasz Yes! To be clear, we have 10 year old FIT PV, and more recently a 3.6kW sunsynk Ecco with a 15.5kWh battery. The 3.6kW Ecco inverter charge...
East/West split is actually quite favourable these days, as PV payback is all about replacing self use now, rather than the FIT (which doesn't exist a...
@geo3geo That graph I did is in excel (I think version 2006), using the best fit line it has built in. You can select linear / polynomial / lots o...
Attached below is a link to more detail on our gshp system. It's over at buildhub - the first post there has a 3MB pdf where I left the details of wh...
I'm glad you asked! It is very low, but it does work for us. The heatpump is diy - I guess I started building it with cheap parts for interest, thin...
It's worth having a go at calculating your expected daily electricity use. Everybody is different, but I hazard a guess that the national average is a...
My understanding is that manufacturers overstate their refrigerant benefits, generally suggesting they have the higher efficiency. There are so many ...
My EPC experience was pretty poor. Over the years I’ve made loads of home insulation improvements - and I pointed them out to sap guy, who was to be ...
While you could defrost without using energy, it’s difficult. You could vibrate the coils, and get ice to fall off intact. I’ve seen an ashp designe...
@iancalderbank I soldered on small diameter copper pipes onto the pipes feeding into and out of the heatpump, both house side, so they both just ha...
I know of several people who have had A2A installed by a contractor - there was no planning or MCS involved, the contractor is f-gas qualified, and ju...
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles When the clouds are gone and the leaves are...
By Papahuhu , 23 minutes ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Heat Geek already has the Pro on offer now: even mo...
By marcexec , 3 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
@batpred by default the socket (Indevolt call it the by...
By Mars , 15 hours ago
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@toodles That’s way better per kWp performance than our...
By Papahuhu , 17 hours ago
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RE: Electricity price predictions
I was showing a friend around all our renewable tech to...
By ChandyKris , 17 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Just seen the videos for the new arotherm pro. They’ve ...
By AdamK , 17 hours ago
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The installer guide here suggests that the ODU has no ...
By JamesPa , 18 hours ago
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RE: Anyone concerned about GivEnergy?
From the thisistsaffordshire web page it is indeed impo...
By KevH , 22 hours ago
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We don't have time-stamps on those screenshots, nor do ...
By Transparent , 1 day ago
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It seems odd these companies don't design and ...
By ASHP-BOBBA , 2 days ago
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RE: Ecoflow UK Support & Info Thread
As promised, the review is out:/p> See discount codes...
By Mars , 2 days ago
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@cathoderay great, thank you.
By Painter26 , 2 days ago
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RE: Water law settings... A year on
@jamespa I've adjusted a few parameters 201 is no...
By Profzarkov , 2 days ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
@lejamaiscontent There’s a couple of things to add. We ...
By Judith , 2 days ago
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RE: Seeking ideas / information / commiseration - Pure Drive
That may well be correct. However we don't have enoug...
By Transparent , 3 days ago
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RE: Rate the quality of your heat pump design and installation
@editor Thank you. I joined because I really liked your...
By claireisamazing , 4 days ago
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RE: UK DIY Battery: SEPLOS 48V 200Ah x2 + Sunsynk 8K – Safe Installation for Garage Conversion
@madsid I don't quite understand what extra you need...
By Bash , 4 days ago
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@transparent thank you. Be Thursday before my mate giv...
By David999 , 4 days ago
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RE: Peak Energy Products V therm 16kW unit heat pump not reaching flow temperature
@johnd our Peak system is no more. The installer cam...
By DaveC , 4 days ago
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Hah! Well I guess we're all in the realm of conjectu...
By Transparent , 4 days ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
Ah, not so useful then For sure, hopefully before ...
By JamesPa , 4 days ago
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Thanks @editor I appreciate that things go wrong, bu...
By venkman , 4 days ago
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RE: Home energy storage & battery register
AC coupled Pure Drive 10kW battery Solar PV Solis P...
By Little Lights , 5 days ago


