Last seen: Jun 1, 2025
@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...
Latest Posts
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RE: Location of hot water isolation valve on cylinder
@rossowheels if you isolate the water supply in it will...
By ASHP-BOBBA , 4 hours ago
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RE: Ecodan consuming 100kwh per day in new build!!!
From what you say about the radiators upstairs it does ...
By JamesPa , 10 hours ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer pleased you found it!
By JamesPa , 11 hours ago
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The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve
It’s fascinating to watch how low-temperature heating i...
By Mars , 12 hours ago
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@heacol, if you're around, can you please provide some ...
By Mars , 15 hours ago
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RE: Servicing Hitachi HP in rural Somerset
I'd give GreenGenUK a call or email them: sales@greenge...
By Mars , 16 hours ago
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RE: Heating coming on when not required
I played with a max heating temp but there is a world o...
By JamesPa , 1 day ago
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RE: Pressure drop Primary circuit
I've always regarded topping up heating systems as my j...
By JamesPa , 1 day ago
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RE: Heat pump solutions and/or installer recommendations for France
I’d travel to France for work if you were struggling wi...
By Damon Blakemore , 1 day ago
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RE: 5 Star Service from Havenwise
That's always a danger with any new good idea, @morgan....
By Majordennisbloodnok , 2 days ago
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Have your say in the Renewable Heating Hub Awards
It’s time to celebrate the best (and call out the worst...
By Mars , 2 days ago
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RE: Mitsubishi cycling while on chilled water output
@iaack yes there's no denying that cold air sinks! I s...
By downfield , 3 days ago
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RE: Weather compensated secondary circuits with Biomass
@andycoo that flooring sounds ideal. Extra volume is ...
By Sune , 3 days ago
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If you are thinking of heating on the immersion conside...
By JamesPa , 4 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@tomasmcguinness, I think your best bet would be using ...
By Aventus Eco , 4 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles all depends on asking the right questions! And...
By Tim441 , 4 days ago
