Last seen: Jan 8, 2025
Here are the results of my experiment to compare (1) Weather compensation only and (2) Constant flow temp and thermostats. Both methods kept the hous...
@webcmg I'm sure @derek-m will help you with the technical details. However, although my house is smaller than yours at 160m2, its heat requirement...
I'm going to misquote everyone's favourite warp drive engineer, "Ye cannae change the laws of physics!" IR heaters can't produce more energy than t...
@georgia Hi and welcome to the forum. Another vote to go for it from me. We had old storage heaters in our 1990 4 bed bungalow and the ASHP is m...
An article on heat pumps and EPCs. It explains the problem with some examples. It's a couple of years old but I don't think anything has changed.
@morgan the room temp is just the temperature where the wired in controller is located, unless you have a Mitsubishi wireless one or a remote temp ...
Here are a few thoughts and pictures about cycling. I can only speak about my situation and ASHP (Mitsubishi) but it may help the wider debate. I've...
So far so good then, it'll be intersting to see how the next couple of (colder) days go. I've done the complete opposite as you and switched from wea...
Yes I was referring to the national grid. I agree with your comments about individual domestic situations and am looking into PV for us as we speak.
We just can't rely on something as unpredictable as the weather. It can be calm, dull and cold for days if not weeks at a time in the UK and Northern...
This sounds like a plumbing/pipework issue rather than a heat pump one. If your ASHP is operating on weather compensation then the radiators will ...
Yes, 20p/kWh is going to hurt. Not sure what you could do about the HW; that's a lot of showers.
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RE: Midea ASHP – how to set weather compensation
@jamespa is right, typically they are far from linear, ...
By cathodeRay , 9 minutes ago
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RE: Humming sound on new install.
Cant hear a thing with my 7kW Vaillant* so something is...
By JamesPa , 14 minutes ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Vat free applies to supply and install only no DIY. &...
By JamesPa , 1 hour ago
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Funny story Graham, when I started looking to ...
By DREI , 9 hours ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 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 , 14 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 , 15 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 , 17 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 , 17 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 , 17 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 , 23 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 , 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 , 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 , 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