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Last seen: Aug 29, 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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Degrees of Separation
Latest Posts
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@rob-of-york Thanks. I wish I'd started on this site as...
By mrkfm , 2 hours ago
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RE: Why are ASHP installs so expensive?
This just might need a rebuttal (possibly marginally mo...
By cathodeRay , 4 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@downfield I just checked this morning and OE just r...
By Papahuhu , 4 hours ago
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RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
No, it isn’t just you Mars (I think you already knew th...
By Toodles , 6 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Thanks Will. I'll probably be a week or so before get...
By Singlespeed , 18 hours ago
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RE: Cooling using an air to water heat pump
From experience this summer, a single-split A2A unit on...
By Rob of York , 1 day ago
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@mrkfm, I’m definitely not trying to put anyone off get...
By Mars , 2 days ago
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Analysis of the economics of switching to an A2W ASHP compared to other heat sources
This post aims to analyse the economics of installing, ...
By Rob of York , 2 days ago
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 3 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Posted by: @ian-s Could always use the money saved o...
By Rob of York , 3 days ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 3 days ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 4 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
By Old_Scientist , 4 days ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 5 days ago
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