Last seen: Sep 10, 2025
@judith This: one factor to consider is those heat pump controllers which have a degree minute function to limit cycling at low demand versus tho...
Thank you @toodles That's really helpful. I reckon my heat loss is around 6-6.5kw too but I have to admit I'm only basing this on previous gas bills a...
But there's a wider social benefit that's not being accounted for in this view. We need, as a society, for everyone to be better insulated, efficientl...
@gunboatdiplomat Heatpump monitor is definitely worth keeping an eye on for possible efficiencies. The data is so useful and particularly when you rea...
@gunboatdiplomat My gripes were the design flow temperature of 50C (which they refused to budge on in my case when I challenged it ), the fact I'd...
@JamesPa They should be told the capital and running cost difference and allowed to choose their own trade off. Some will prefer to pay a bit more ...
@gunboatdiplomat Thanks - that's helpful. Did you go for it? I mean the 9kw? My installer today was really clear about the difference between the 9 &a...
Ok. This is where I'm at with the tentacled one. BG is next week. I had a 'pre-installation visit' to check pipe routing before a plan is drawn up a...
It makes perfect sense, both from an economic and engineering point of view, to do a combination of load shifting and grid reinforcement. That way we...
Murphy is not.... at least not yet without some serious haggling. My quote was in the thousands. 🙈 But I had an excellent visit from an inst...
I asked today, no one knows the details yet except to say there's a major shortage of decent heat pump installers in some areas. We were trying to f...
Well, they're linking it to the Daikins too - they've got an app that integrates with the Daikin controller apparently. But today I had a visit from a...
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RE: Midea ASHP – how to set weather compensation
@jamespa is right, typically they are far from linear, ...
By cathodeRay , 41 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 , 46 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 , 2 hours 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 , 15 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 , 16 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 , 18 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 , 18 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