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Last seen: Jan 8, 2025
@alistair, It depends on how you are conrolling the system. If it's solely weather compensation, it should keep the house at a constant temperature...
Hi Derek, Yes it does cycle. I'm currently not using weather compensation so yesterday looked like this. You can see the flow drop as the thermosta...
@hydros, Reduction in COP due to excessive cycling sounds a feasible theory but if the quality of the data analysis in the attachment is similar to ...
I'll post some interim results soon. Some interesting results re cycling as well as energy consumption.
@ericdo thanks for updating. It's also a nice feeling when the first payment goes in 😀 My RHI will cover about 70% of the overall cost but then...
@hydros, is the COP you quote for everything, i.e. heating + HW? When your heating demand is low, the overall COP is influenced more by HW, which ...
@marknhudson Mark, Your 'remaining' is the total excluding the ASHP and hot tub? What is consuming 26kWh per day? That's a lot of electricity. ...
@rusty Can you share the sites you've found please? I'm just starting to look at this. I'd like to be able to map my predicted generation over th...
@smiffyz that's not completely out the ballpark. About £16.5k for everything (we had no central heating) inc 14 rads. East Midlands. What size...
Hi Mark, I'm sure Derek will be able to help you. Is the cost you quote definitely just for the heat pump? In your last picture, the top number i...
Latest hot deal on offer from BG.
@morgan well done, I'm impressed with your plumbing skills. Any more floorboards to fix?
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Latest Posts
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RE: Cooling using an air to water heat pump
I've been doing it, 16-17°C water in the slabs. The e...
By bobflux , 35 minutes ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Is there any expected time frame for an update to be ab...
By Singlespeed , 51 minutes ago
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RE: Why are ASHP installs so expensive?
Posted by: @springswood I confess to becoming a litt...
By Rob of York , 2 hours ago
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@mrkfm There are some bad installers out there, both ...
By JamesPa , 2 hours 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 , 6 hours 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 , 21 hours 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 , 1 day ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 1 day ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 2 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 , 2 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 , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 3 days ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 3 days ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 3 days ago


