Last seen: Oct 27, 2023
About Me
Engineer, working on ideas/projects for homes to be powered primarily by solar and wind.
PV installed in 2012 by Simon Smith (sa-energy.co.uk), excellent install & kit (SMA inverter).
Moved to Devon 2016, SolarEdge PV installed (SunDial Solar), great install, despite cross gabled slated roof, working well. No mains gas, using very expensive LPG from shared tank.
EV owner and evangelist, or should that just be EV-angelist.
Using the MyEnergi "characters" (Harvi, Hubbi, Eddi & Zappi), Zappi is a good PV-aware controllable EV charger and Eddi heats the hot water via an immersion heater before giving power back to the grid (saving on gas!).
Future projects:
1/ Lower electricity bill. Aim: 90%+ solar usage: battery storage (Growatt AC charger/inverter with DIY battery built with guidance from @Transparent) combined with Octopus GO tariff
2/ Comfort during power cuts: use Growatt UPS/off-grid facility: gas boiler control/pump, lights, microwave & kettle, WiFi, laptop, phone charging.
3/ Eliminate gas bill. Explore changing over from gas boiler to ASHP
4/ Explore quiet helical VAWT for winter power generation
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Worth Watching
Latest Posts
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RE: Humidity, or lack thereof... is my heat pump making rooms drier?
Without knowing it, @andrewj, you've laid down the gaun...
By Majordennisbloodnok , 12 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@tasos and @cathoderay thanks. I have some history grap...
By benson , 16 minutes ago
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I am having my existing heat pump changed to a Vaillant...
By trebor12345 , 49 minutes ago
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Our Experience installing a heat pump into a Grade 2 Listed stone house
First want to thank everybody who has contributed to th...
By Travellingwave , 1 hour ago
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RE: Setback savings - fact or fiction?
@cathoderay The input power is largely determined by...
By RobS , 2 hours ago
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RE: Electricity price predictions
@transparent Im impressed by all your work on this. ...
By JamesPa , 3 hours ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
Just to wrap this up here for future readers: The S...
By Batpred , 4 hours ago
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RE: Struggling to get CoP above 3 with 6 kw Ecodan ASHP
Welcome to the forums.I assume that you're getting the ...
By Sheriff Fatman , 4 hours ago
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RE: What determines the SOC of a battery?
I agree. Fogstar confirmed that the Seplos BMS does ...
By Batpred , 4 hours ago
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RE: Say hello and introduce yourself
@editor @kev1964-irl This discussion might be best had ...
By GC61 , 6 hours ago
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@painter26 — as @jamespa says, it's for filling and re-...
By cathodeRay , 9 hours ago
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RE: Oversized 10.5kW Grant Aerona Heat Pump on Microbore Pipes and Undersized Rads
@uknick TBH if I were taking the floor up ...
By JamesPa , 20 hours ago
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RE: Getting ready for export with a BESS
I would have not got it if it was that tight
By Batpred , 22 hours ago
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
@judith thanks Judith. Confirmation appreciated. The ...
By DavidB , 1 day ago
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RE: Recommended home battery inverters + regulatory matters - help requested
That makes sense. I thought better to comment in this t...
By Batpred , 1 day ago
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Bosch CS5800i 7kW replacing Greenstar Junior 28i
My heat pump journey began a couple of years ago when I...
By Slartibartfast , 1 day ago
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RE: How to control DHW with Honeywell EvoHome on Trianco ActiveAir 5 kW ASHP
The last photo is defrost for sure (or cooling, but pre...
By JamesPa , 1 day ago
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RE: Plug and play solar. Thoughts?
Essentially, this just needed legislation. In Germany t...
By Batpred , 1 day ago
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RE: A Smarter Smart Controller from Homely?
@toodles Intentional opening of any warranty “can of wo...
By Papahuhu , 1 day ago
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RE: Safety update; RCBOs supplying inverters or storage batteries
Thanks @transparent Thankyou for your advic...
By Bash , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: Odd_LionManufacturer: SamsungModel: Samsu...
By Odd_Lion , 1 day ago
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RE: Configuring third party dongle for Ecodan local control
Well, it was mentioned before in the early pos...
By F1p , 2 days ago
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RE: DIY solar upgrade - Considering adding more panels
I know this is a bit old, but it made me wonder what co...
By Batpred , 2 days ago


