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Last seen: Jul 12, 2026
@julianc I don't believe there is a support contract with Grant. Our installer ( 4 years ago) didn't even register the system with Grant and I've ...
@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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Latest Posts
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RE: Jokes and fun posts about heat pumps and renewables
@jamespa Normally, we have rainwater in our water butts...
By Toodles , 1 hour ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@old_scientist if you are going DIY then you may wan...
By Papahuhu , 7 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
After a short while that was followed by the 'power war...
By JamesPa , 7 hours ago
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RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
By bobflux , 15 hours ago
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RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 22 hours ago
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RE: Missing flow temperature in Heat Geek proposal
@editor I went through HG website, so should be ok for ...
By sttpd1917 , 24 hours ago
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Who did the Freedom Heat Pump cloud server and what did...
By Mars , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
Reading between the lines of what octopus are doing wit...
By JamesPa , 1 day ago
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RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
By EtchedPixels , 1 day ago
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I hope it goes ok, Hon can be hard to set up IF the sof...
By Graham Hendra , 1 day ago
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@clockworks Hi, So there is a big difference between st...
By ASHP-BOBBA , 1 day ago
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@editor wellvery comprehensive answer. I will get all i...
By Keithb , 1 day ago
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
all good advice I will follow this up
By PaulC , 1 day ago
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
By bobflux , 2 days ago
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RE: Existing Solar Panel installation - structural roof calculation check
What will also happen is that they see that there is so...
By EtchedPixels , 3 days ago



