
Last seen: Sep 11, 2025
This is another persistent myth that needs to be dispelled. A building does not care one bit where the heat that heats it comes from. It is perfectly ...
Indeed it does, and it is counterintuitive. If we imagine heating a house to be like keeping a bath with a leaky plug hole full, then it stands to rea...
@cookie197 - welcome to the forum. There is a wealth of knowledge here and I am confident others will chip in soon but I can say something about runni...
@derek-m - a succinct, and clear explanation, thank you. I think it is worth noting in your hypothetical but very possibly typical example, the actual...
@iantelescope - can you elaborate a bit? What 'Sharky' did you use, how did you install it, and what actual data did you get, and how did that lead to...
@amanda1 - I regularly bang on about compressorgate, not whether it will happen, but when it will happen. All big manufacturing industries are on the ...
I have to say it is increasingly clear to me that this freeze stat thing is just another pointless manufacturer gimmick that allows them to charge eve...
Harsh, but true!
It'll be very interesting to hear any feedback once you have it. One of the problems I have is the rooms are already small, adding extra internal thic...
See my rant here!
Another major bit of misinformation. Within reason, any building can have a heat pump. You just have to accept (as I did) that old leaky buildings wil...
But isn't that what defrost cycles are for, which are not the same thing as a freeze stat (which from what others have said, kicks in when the circula...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
I am about to get my Mitsubishi 14kW Zubadan serviced b...
By downfield , 3 minutes ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
While I won't try to over-ride anyone's personal choice...
By Scalextrix , 37 minutes ago
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RE: Who’s Caved and Switched the Heating On Already?
Central heating still switched off and will be until Oc...
By AllyFish , 39 minutes ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
I think the problem you are having comes down almost en...
By JamesPa , 1 hour 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 , 1 hour ago
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RE: Midea ASHP – how to set weather compensation
I think it is a bug in the code, it comes on even when ...
By cathodeRay , 15 hours 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 , 17 hours ago
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RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 19 hours 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 , 1 day ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 2 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 , 2 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 , 2 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 , 2 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 2 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 3 days ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 3 days ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 3 days ago