Last seen: Sep 12, 2025
@toodles, @cathoderay There is clearly a difference is air intake sensor reading between when the heat pump is on and when its off, with the value ...
I'm always somewhat cautious when claims are made of 30% saving in energy use by turning off/down the heating for part of the day. I'm not for a mome...
Heat loss surveys are at best a reasonable estimate and at worst total nonsense. Although the science on which they are based is sound, there are too ...
This a matter of law not an MCS decision or even guidance. End of unless you want to apply for planning permission. You mention it's a Va...
The sensor should really be outside in the shade, not inside the unit or in sun. Assuming it's separate (some ashps only have sensors in the air inta...
@crimson In answer to the question no, unless the lockshield is behaving oddly which will wouldn't rule out. Does turning it back up reduce the te...
Check whether by 'buffer' they mean 2port volumiser (the key feature being 2 port). That's ok. It's typically 20-50l.. Vaillant do put a volumiser ...
That's fair I agree this is too crude. It needs to be done properly or not at all. There are at least four companies developing various smart c...
I think most of your criticism of the denz proposal makes sense to me although I can see why turning off heat pumps is attractive. Houses are large s...
Latest Posts
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Honestly I doubt you are on the tipping point between 1...
By JamesPa , 4 minutes ago
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RE: Humming sound on new install.
Roof trusses and dry lined ceilings are a massive sound...
By AllyFish , 1 hour ago
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RE: Midea ASHP – how to set weather compensation
@jamespa is right, typically they are far from linear, ...
By cathodeRay , 2 hours ago
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Funny story Graham, when I started looking to ...
By DREI , 11 hours ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 14 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 , 16 hours 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 , 17 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Yes Octopus only have the £9 a month service plan for t...
By NJT , 19 hours 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 , 19 hours 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 , 19 hours 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 day 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 , 2 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
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 3 days ago
