Last seen: Sep 12, 2025
Yes, it changes all the time, as it is the DHW tank actual temperature. It shows 50 after a reheat, then declines over time depending on usage until t...
@marekk - thanks for your post, extremely useful. I agree the physical take off (connection of the wires) point should be in the wired controller. My ...
@tried2fail and @batalto (and anyone else who is using or may use the kWh/COP stats) - as you know this is still work in progress, a polite way of say...
And the rest of us seize the opportunity to throw up in the waste paper bin. I suspect whoever wrote that twaddle has a passion for seizing opportunit...
@batalto - I'm guessing chat gpt means- always engaged (as hopefully you can see from the link padding). @derek-m - here's a crucial bit of code tha...
Very true. There is another indirect benefit to fitting heat pumps: it focuses the mind more sharply on heat loss reduction. With oil, I tolerated a...
I agree, and you were right to bring this up, along with the geographical lottery of supplies. Not only will it create a lot of real personal hardship...
FWIW, I have just calculated my global (heating and DHW combined) COP from 25th Nov 2022 (when I started collecting sufficient data) to the beginning ...
No, it was just a sort of global in the middle figure, a general case, for a general case estimate. I suspect mine is less. The trailing three hour mo...
@majordennisbloodnok - you make a very good point, I haven't made it clear enough that this is all voluntary, you don't have to do it. I will make an ...
Mars - that's a huge amount of oil - I used not that much more (between 1000 and 1200 litres over a whole heating season to heat my old leaky building...
Fair point, but it currently means ASHPs and oil are neck and neck per kWh. I may or may not have been a bit generous with the COP I used, and a bit h...
Latest Posts
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RE: Humming sound on new install.
Well at least its well insulated, but Im not sure that ...
By JamesPa , 4 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 , 5 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 , 8 hours ago
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I didn't want to say that, bus since you have said it n...
By JamesPa , 8 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 , 11 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I have been working on network resilience for a while. ...
By Scalextrix , 13 hours 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 , 1 day 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 , 1 day 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 , 1 day 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 , 1 day 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 , 2 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 , 3 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 , 3 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 , 3 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 , 3 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 3 days ago
