
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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Latest Posts
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
For the sake of balance, I will share that our ECO4 exp...
By Old_Scientist , 32 minutes ago
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RE: Commencing on an ASHP Installation Process
@sheriff-fatman just keep an eye on them... definitely ...
By Mars , 3 hours ago
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RE: How not to install a heat pump
You are right. Thinking on this has evolved over the p...
By JamesPa , 16 hours ago
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RE: Vaillant AroTherm Plus 7kW
Thanks for the comprehensive write-up, I am considering...
By Scalextrix , 17 hours ago
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@ashp-bobba ‘Wattson, how many grammes of Co2 are you r...
By Toodles , 18 hours ago
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RE: DHW SET UP with Samsung gen 5
Thats good news indeed, you are very likely almost ther...
By JamesPa , 19 hours ago
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RE: Renewables & Heat Pumps in the News
Ain't consumerism wonderful! Just because EVs could b...
By Majordennisbloodnok , 20 hours ago
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RE: Plate heat exchanger considerations
As far as I can tell my vented system would have a peak...
By Scalextrix , 20 hours ago
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RE: Air Changes per Hour - ACH and the MCS requirement
There have been a few discussions dotted around (e.g. I...
By Declan90 , 24 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having made some enquiries locally I have found a compa...
By Morgan , 1 day ago
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RE: I don't need any heating in the summer. How do I turn my Samsung heat pump off?
Thats great Someone else is struggling with this in a...
By JamesPa , 1 day ago
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@bart Best of luck moving forward, I look forward to he...
By ASHP-BOBBA , 2 days ago
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RE: Ecodan EMP2 kit - is it any good?
Please note: heat meter accuracy at 95+% is as long as ...
By ASHP-BOBBA , 3 days ago
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RE: Flow Rate & Low Loss Headers
Houses with reasonably low loss aren't going to require...
By JamesPa , 3 days ago
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RE: Help me keep the faith with my air source heat pump installation
If it's running on WC then at night it's quite likely t...
By JamesPa , 3 days ago
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RE: Jokes and fun posts about heat pumps and renewables
@majordennisbloodnok That’s OK as long as the ‘Terminol...
By Toodles , 4 days ago