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Last seen: Sep 22, 2026
Sorry, im not a tradesman but have spent far to much time on heat pumps so have become blasé about the TLAs (three letter acronymns) oat = outside a...
Not sure you are any worse off than those like me who live close to London when it comes to flexible installers. Many including me report similar pro...
I wouldn't have thought so unless It's residual heat from when they were supposed to be on or It's very cold and frost protection has kicked i...
Can you provide some more info? What leads you to believe its oversized. If its cycling, how often, at what oat? Roughly what's the system volume ...
Absolutely nothing at all to stop any ashp being used with a vented tank except that I'm not sure anyone advertises a vented tank with a large enough ...
Agreed. With two or three isolating valves it can even be done reversibly. Basically bypass the buffer tank on the flow, bypass the secondary pump,...
Before answering the question I think its worth rehearsing the theory of how buffer tanks are supposed to work. Firstly as @derek-m says any tempera...
Unless your system volume is very low it's likely, given those those figures, that your buffer tank is costing you 10%+ in efficiency or thereabouts, ...
@kev-m It's good to know that this is possible. I suspect, however, that the people best able to devise a central heating control system don't work ...
My post on the subject a few months back was a crude attempt at just such a model. Basically it considered the house as a single mass, leant heavily...
Sorry but this and the like is a part of the reason that I am losing interest. To me its vital, where complex systems are involved (which this clea...
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Degrees of Separation
Latest Posts
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@jamespa Thanks. this is very helpful. It's actually t...
By mrkfm , 49 minutes ago
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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 , 2 hours 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 , 3 hours 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 , 4 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 , 8 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 , 23 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
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