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Last seen: Apr 4, 2026
@giryan Im with James in that the heat loss is very high and you need to do anything you can to get that down. Internal wall insulation would be so...
Well done on sorting out the insulation first Matt. Is the heat loss figure before or after all your proposed changes?
Its what ive used. I know some people choose ones which dont constrict the pipework too much but mine are just honeywell.
@polar-bear So from your diagram I see that you are using the same temperature water for the UFH and radiators? That may be problematic with regards r...
@davidalgarve Im only just beginning to scratch the surface David but it seems that there are some energy saving features in Melpump although maybe no...
@pollar-bear Top job, I installed my own too and even though it is basic plumbing skills, There was always the nagging doubt "what if I f*** this up a...
I have now managed to tweak a few DIP switches to get all the required data through now and I have to say Im really impressed with the dongle (Mitsubi...
@old_scientist I dont monitor the tank temperature but inferring from the flow temp I think the ASHP can heat to around 50-60C. That water is probably...
So after playing about with DHW settings for a while I think the optimum use of the coil is for about 30 mins. After that time the COP drops to a poin...
@majordennisbloodnok Good explanation I thought 😁
@davidalgarve Unfortunately not as I didnt install Melcloud, the dongle doesnt need it. Hopefully Philip will be able to help when he joins the discus...
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
Every manufacture has a guide and service list...
By ASHP-BOBBA , 34 minutes ago
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RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?
I don’t know how the Aerotherm works so can’t comment o...
By AndrewJ , 51 minutes ago
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Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 3 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 , 3 hours ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 3 hours ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 3 hours ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 13 hours ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 14 hours ago
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There are just too many unknowns for me to comment on p...
By Transparent , 16 hours 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 , 17 hours ago
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RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 19 hours 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 , 21 hours 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 , 1 day 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 , 2 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 , 2 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: Anyone concerned about GivEnergy?
Many thanks for your, and the subsequent, answers tk qu...
By KevH , 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 , 3 days ago
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RE: Say hello and introduce yourself
@sonosppp welcome to the forums. I see you've posted in...
By Mars , 4 days ago
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RE: Guidance with installing a new heating system
@bobflux Great, thanks for the advice. The pipe has an ...
By Hamilton , 4 days ago
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RE: Daikin Altherma 3 LT compressor longevity question
@optimistic-optimiser I have has a Daikin for a few yea...
By madsid , 5 days ago


