Last seen: Nov 25, 2025
@dant Yes that's right. The best figure we have ever had was avg 16kWh per day in July 2019. That is total power usage for 2 people. So includes...
@derek-m Sorry not to reply before, have been offline for a few days. Grant sent an engineer to check out our system. No leaks found although so...
@derek-m Derek, Yes, there's been no pressure in the heating expansion vessel for some months.You can see the gauge on the red tank in the picture...
In terms of "tweaking" your system I've found that it's necessary to look at each individual room (we have underfloor heating upstairs and on the grou...
@derek-m Derek, From the context I think you may have meant George, but anyway here 's my ASHP and control panel. The pump is next to an outbuilding...
Sorry, this is a long post. Take a deep breath. You will understand why I think an ASHP is not just for heating but a way of life. Our house is a re...
Kev, Thanks for this. I wasn't aware of the scheme. It was introduced after I registered for the RHI. I'll make some enquiries to see if slots...
@editor Electricty uage settled down to a sensible level. But I have a whole post to do on electricity consumption, mostly arising out of my winter of...
Mine's the Grant Aerona 9.1kW. COP of 2.66 with air at 7 deg and water at 55deg. During the period between initial commissioning and the MCS inspect...
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
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By Toodles , 2 hours ago
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RE: Ecodan unable to hit legionella target temp - what's the consensus?
UPDATE: Thanks everyone who commened with suggestions h...
By 9jwr9 , 6 hours ago
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RE: ASHP sizing - value of Heat Transfer Coefficient
@toodles Hi, my friend recently made a video about heat...
By HeatPumpMe , 1 day ago
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How long will your energy contract last?
Some heat pump tariffs don’t run as long as a heat pu...
By Toodles , 2 days ago
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@morgan They are unsupervised these days, can’t get the...
By Toodles , 2 days ago
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RE: Setback savings - fact or fiction?
Exactly. We only need to compare conditions, to decide ...
By cathodeRay , 3 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I found because I have very low heat loss I can set bac...
By RadWhisperer , 3 days ago
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RE: Need Help Optimising My Rushed ECO4 Install: 12kW Bosch Heat Pump
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RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
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RE: Speedcomfort radiator fans
Thats true, but having tried (and succeeded) in constru...
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@bash brilliant, thanks for the feedback
By energy9165 , 4 days ago
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RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?
@alastair There I was, feeling grumpy, he said “Cheer u...
By Toodles , 4 days ago
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade
Depends on OAT. Mine cycles at OAT>10 and of course...
By JamesPa , 4 days ago
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RE: New Fogstar 15.5kWh upright solution
@transparent My conclusion is as you have noted, tha...
By Bash , 4 days ago
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RE: Mitsubishi Ecodan R290 10kW performance
And to you too. Wishing you a very enjoyable festive s...
By Sheriff Fatman , 4 days ago
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RE: External pipework insulation
They do? But that isn't apparent from the photos we'r...
By Transparent , 4 days ago
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RE: Say hello and introduce yourself
@velcro welcome to the forums. Please feel free start a...
By Mars , 5 days ago
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Daikin EDLA11D3V3 DHW Settings
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