Last seen: Sep 14, 2025
Provided the 'control' period from which these were derived is representative of the test period I would agree. If any changes have been made to the ...
Dare I say 'builders innit' (i think that's the appropriate slang - but its not my specialist subject!). The electrical institutions, in fairness, h...
True (which is one reason I advocate it for pump sizing), but it doesn't support extrapolation to other scenarios (ie houses) unless you have enough e...
The conclusion is right but just to correct the units - you have a 10kWh battery and it charges at about 2.1kW. Think of kW like speed and kWh like ...
You could well be right. I didn't look into it that far because I fail Octopus Intelligent Go at the first hurdle. Although I have an EV its only co...
I don't think so and hope not. I grant that heating, while fundamentally simple, is actually rather complex. However there is, in principle, a vast ...
All agreed, with the possible comment that theoretical models are (currently) invariably based on well adjusted/designed heat pump systems, and we kno...
Thanks for this its always good to have some real numbers. In terms of judging payback I don't personally put ASHP and batteries in the same category...
In case it helps I recently posted a tarrif model in this thread/p> You may be able to adapt the assumptions to your case (which isn't so different ...
Its an important part of running a heat pump for many, and other renewable technologies, so I think it merits coverage.
Latest Posts
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 58 minutes ago
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RE: Big Changes Coming to Our Heat Pump System
@old_scientist, our system was royally bodged six years...
By Mars , 1 hour ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
@scalextrix You're assuming that the source of the comm...
By Transparent , 1 hour ago
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@jamespa thanks, I appreciate the offer. For n...
By DREI , 15 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
I have 3 women in the house, 2 little ones, so my heati...
By DREI , 20 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 21 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 , 2 days 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 , 2 days 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 , 2 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 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 , 3 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 , 3 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 , 3 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 , 3 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 , 4 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 , 4 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 , 5 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 , 5 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 , 5 days ago
