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Last seen: Apr 25, 2026
Thank you @cathoderay, this is a very interesting read, not just because my system is not a hundred miles away from your setup, but also in the way th...
For another cold climate user, I am a little to the south and east of @Dunlorn but quite elevated and exposed to the east. Self build 180m2 timber fra...
Having felled, cut, split, stacked, dried and burned vast cubic meters of hardwood logs in the past 30 years as the main heat source for the house, on...
Mitsubishi Ecodan units are manufactured in Scotland and the price seems to be competitive.
Oooh...so many red flags hovering here! As an Ecodan owner on a single phase "normal" domestic supply, would/should my consumer unit have caught all ...
As I understand it, which a dangerous start to any internet fora post, what we refer to as the COP in an ASHP is actually the measure of how efficient...
No, I believe not. There is the correction for geographical location but not for exposure with the wind wash that can bring, which is why I erred to t...
Regardless of which calculator you use you are forced to make a number of educated guesses on the construction. I tend to err to the low side normally...
I would be inclined to fit now what you will require later even if it is slightly large for your purposes at present. I suspect that the costs associa...
The MCS V2.1 heat loss calculator will produce a reasonable figure for your house heat loss but as part of the sheet asks for any DHW tank and size, ...
I don't think there is a short cut to doing the full heat loss calculation to find a reasonably accurate figure, especially if your house as a variety...
Latest Posts
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RE: Anyone concerned about GivEnergy?
Yes and no. Native controllers generally do a good jo...
By Majordennisbloodnok , 3 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@temperature_gradient I've had air-to-air for just over...
By Anne Smith , 7 hours ago
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RE: Home automation and the cloud; is there a better way?
+1 It's not just cloud though. Many devices have repla...
By bobflux , 8 hours ago
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
We've started to document everything, and part 2 of the...
By Mars , 13 hours ago
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RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?
So the red bars are 'DHW' and the yellow bars 'heating'...
By JamesPa , 15 hours ago
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Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 18 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 18 hours ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 18 hours ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 18 hours ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 1 day ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 1 day ago
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There are just too many unknowns for me to comment on p...
By Transparent , 1 day ago
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RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 1 day ago
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RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 1 day ago
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RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 2 days ago
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RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 2 days ago
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RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 2 days ago
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RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
By JamesPa , 2 days ago
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RE: High air source heat pump running costs – Vaillant AroTherm Plus
Quite right. I was using a rough guesstimate of doublin...
By Majordennisbloodnok , 3 days ago
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RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
By petch , 3 days ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@toodles The whole scheme is a shocking waste of money....
By Papahuhu , 3 days ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
Yes, and these guys would probably be my preferred inst...
By Batpred , 3 days ago
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RE: Hot water tank lose heat rapidly on random days
@jamespa Hopefully their reasons are well intended! ...
By Bash , 3 days ago
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RE: Ecoflow UK Support & Info Thread
As mentioned above, we’ve got our full review of the Ec...
By Mars , 4 days ago
