Last seen: Sep 11, 2025
We dodged the bullet since we had a non-opening window fitted where we hope the pump will go. It was by accident rather than advanced knowledge of the...
We’re in Hampshire and at the getting quotes stage too. We’ve also been in contact with Cinergi and sent back 14 questions on their first quote. W...
If you find the spec sheet of a 12kW Midea it’s only about 10kW at -2C (design temp for a lot of south England) whereas the 11kW Mitsubishi could actu...
The above beautifully detailed reply by Ray shows the issue of units used. Air changes per hour ACH are easy to visualise and hence a larger room volu...
If you want to get into engineering /architectural details the there are a couple of good blogs from guys, one with a solid wall cottage
Personally I wouldn’t touch BG with a barge pole, based on 2 family experiences with them when they went into solar. On your own heat loss estimate ...
Or is refusal to burn wood when the market price is above the strike price (and the system needs power presumably) simply gaming the system to maximis...
I’ve been educating myself on electricity supply issues and the above research briefing is a balanced summary. Newspapers and statements from companie...
@derek-m and others i think I’m getting there, so can I try this out…..? There are too many dTs in this game. Derek rightly corrected me on averag...
We’ve just had ufh in our (not yet finished) extension but the rest of the house has radiators (and will stay that way). We really had to insist that ...
Naive input here: I understand that LLH are supposed to act as impedance transformers (when set up right), giving the option of a higher delta T acr...
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@drei Oh dear, so is this system brand new and still no...
By ASHP-BOBBA , 57 minutes ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
I think so but I don't know for certain. A cascade as ...
By JamesPa , 58 minutes ago
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RE: Humming sound on new install.
Sorry, I should also add these checks The ASHP must ...
By ASHP-BOBBA , 1 hour 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 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 , 4 hours ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 20 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 , 22 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 , 22 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 , 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 , 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