Last seen: Sep 13, 2025
@raiph Looking forward to hearing what you experience. My heat pump should (hopefully, after a 2 year battle with my planning authority) be in within...
So far as i am aware it just limits the compressor speed and possibly fan speed thus limiting the output.
Thats sounds like seriously good news, you have a tank that is well stratified! Rejoice!
Unfortunately UK houses are notoriously poorly insulated because we cheapskate on this (as we do on so many things). This obviously means that any he...
No, I do too. Just stating the fact! That said many will give up control and privacy in return for low price and simplicity. Most people these day...
Indeed. But with your car and heat pump they basically have control of your energy consumption and can take care of minimising cost to the consumer, ...
I think a valid question is - what savings could be achieved with just a bit of fixed profiling of setbacks based on energy price, and how do they com...
@mike-patrick It is a fact that ASHPs are less efficient at low air temperatures, thats all documented in the specs and is a direct result of the the...
Your description of the Mitsubishi pre-plumbed cylinder is what I understand also. If there is a (separate) heat exchanger to separate glycol from no...
Further to the above I have the impression that there are in fact a fair number of people (particularly young people) who are scared of climate change...
Modern DHW cylinders designed for heat pumps have quite sophisticated finned coils to maximise the surface area and thus heat transfer. Ideally you p...
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Firstly if your not g3 qualified then I wouldn’t touch ...
By Damon Blakemore , 4 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
OK. Could you post a recording. You may just hear the...
By JamesPa , 2 hours ago
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I think most people that have read this case will agree...
By Mars , 2 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Quite, yes it's a disaster waiting to happen and just e...
By Scalextrix , 3 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 19 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 23 hours ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 1 day ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 2 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 2 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 2 days ago
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RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 2 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 2 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 2 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 3 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 3 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 4 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 4 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 4 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 4 days ago