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Last seen: May 31, 2026
Personally I think it's only worth insuring stuff when your life would be really difficult without it. Home against fire, car, medical if you're on h...
I used 50mm2 cable, sunsynk 3.6kW to 100A givenergy breaker to 280L fogstar. 50 is the largest that fits all the above.
@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...
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Degrees of Separation
Latest Posts
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RE: Siting of the external sensor on a heatpump
I agree. However I would also (primarily) expect that ...
By JamesPa , 6 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 9 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 12 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 14 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 18 hours ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 20 hours ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 1 day ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 1 day ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 2 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 3 days ago
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RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 3 days ago
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