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Last seen: Apr 8, 2025
My cylinder, buffer tank and the hot water circulating pump are in a room underneath my bedroom (which has become noticeably warmer). There was audibl...
That happened with my installation. Whoever had been sent to the plumbing suppliers to buy various parts got the wrong type of valve. Once the system ...
I've done a quick analysis of data collected by a pair of Elitech RC5+ temperature loggers for the period 20 - 22 January to look for defrosting cycle...
I very rarely hear my 7kW Arotherm+ but have twice heard it roar at the end of the defrosting cycle when it's blown out a cloud of fog. It's fitted un...
@Ajbevster If the OAT is reading 10C high then it might be possible to offset this by setting the target house temperature as 10C high until the OAT s...
@davidm06 I think 14C is better than 10C as it keeps a bit more heat in the house. I recall, without checking the documentation, that Vaillant defaul...
At a house temperature of 10C there won't be much thermal energy in the circulating water to make defrosting quick and easy. I wonder if the heat pump...
@jamespa: You might want to go easy on the abbreviations when someone is trying to understand how their heat pump works and may end up wondering why a...
@transparent Amazon, for some reason, isn't cooperating with me today and 2 of the 3 links I have posted aren't working properly. Search Amazon for "E...
@Alfapat: The inverter should provide the capability to ramp up the compressor speed but I notice that there is almost a factor of two difference betw...
@Richard24738 Thanks for the clarification. I await your conclusion.
Your system is worse than normal for something that has been very badly configured! My first thought is that you should turn up the radiator temperatu...
Latest Posts
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@batpred frost protection £632 ??? That is taking t...
By MartinRobinson , 2 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Interesting questions. If the answer to either ...
By ChandyKris , 14 minutes ago
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RE: Renewables & Heat Pumps in the News
@editor, I hear that too. I can confirm that out of ...
By ASHP-BOBBA , 8 hours ago
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End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
As many of you know, our Global Energy Systems heat pum...
By Mars , 8 hours ago
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@derbygraham fully agree with James, and it’d be good t...
By Mars , 8 hours ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 10 hours ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 11 hours ago
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There are just too many unknowns for me to comment on p...
By Transparent , 13 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 , 13 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 , 15 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 , 18 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 , 21 hours ago
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RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 1 day 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 , 2 days ago
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RE: Anyone concerned about GivEnergy?
Many thanks for your, and the subsequent, answers tk qu...
By KevH , 2 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 , 4 days ago
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RE: UK DIY Battery: SEPLOS 48V 200Ah x2 + Sunsynk 8K – Safe Installation for Garage Conversion
The rule of thumb is to ensure that you can isolate any...
By Transparent , 4 days ago
