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Last seen: May 15, 2026
About Me
My wife and I own a 5 bedroom detached house, with about 350 sq. m spread over two floors. Â It was built in 1968. Â We installed a Grant Aerona 290 15.5kW system installed in August 2025.
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Grant Aerona 290 15.5kW, Grant Smart Controller, 2 x 200l cylinders, hot water plate heat exchanger, Single zone open loop system with TRVs for bedrooms & one sunny living room, Weather compensation with set back by room thermostat based load compensation
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Latest Posts
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RE: Indevolt Batteries UK Support & Info Thread
Two 2kWh or one 4kWh expansion to enable 3kW.
By dansus , 3 hours ago
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RE: Vaillant Arotherm Pro vs new Plus
So with the dedicated Hager CU, flipping the big red bu...
By Batpred , 5 hours ago
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Well I usually do it by feel, which is a slight problem...
By Transparent , 9 hours ago
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RE: Existing Solar Panel installation - structural roof calculation check
@hml1827 I couldn't have put it better, possibly with t...
By JamesPa , 9 hours ago
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@jeff I am well aware of the riskiness of such investme...
By Toodles , 12 hours ago
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Fully understood and entirely reasonable! On the home ...
By JamesPa , 18 hours ago
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RE: Electricity price predictions
So I am really having difficulty trying to work out wha...
By bontwoody , 21 hours ago
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Ok Well almost certainly it could be used instead of ...
By JamesPa , 1 day ago
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RE: Samsung heat pump - data cable issue
Samsung reference it as "RS485 - COMM" in my manual. ...
By Old_Scientist , 2 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Looks beautifully integrated.. We had our done as wel...
By Batpred , 2 days ago
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RE: SolarEdge SE5000H Inverter Failure
Update. My SolarEdge inverter was replaced yesterday wi...
By L8Again , 2 days ago
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For cooling a whole building, or even a big room with l...
By EtchedPixels , 3 days ago
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RE: Comms and power cabling to outside unit
@old_scientist 100%, the cover is for warrantied unit...
By Papahuhu , 3 days ago
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I don't remember the manufacturer name, but I saw simil...
By bobflux , 3 days ago
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RE: Weather compensated secondary circuits with Biomass
UFH is ideal to get max efficiency with a heat pump, bu...
By bobflux , 3 days ago



