Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Apr 24, 2026
@johnnyb I’m not saying that you are wrong. However, assuming you haven’t changed the target temp or target time and your flow rate has remained co...
@toodles in my case a little knowledge is useless, but I understand that when the pumps operate at low speed (or constant speed) there is a propensity...
@toodles We also have a base load of about 300W too. But fundamentally they are different profiles, mine is slightly oscillating up and down, but not ...
@toodles out of interest I took a screenshot, first thing before the variable house loads started, of the PW home demand. You can clearly see the ...
@toodles Hopefully you won’t be importing much energy over the next 6 months. Yes, the world is a mess and getting worse at an accelerated speed....
@toodles Quite properly, I evict myself from the house if I want to smoke. So, I get to stand near the outdoor unit more frequently than is good for m...
@toodles It was i that misunderstood. But, still, when I look at the data from your system, I’m struggling to see any correlation between outside a...
@johnnyb The homely is running the weather compensation instead of the heat pump controller, so as the outside air temp increases the flow temp wil...
@odd_lion There aren’t any input or output measuring devices associate with the homely, so it can only be performing the calculation based on the v...
@toodles Thought it was picking up and actually started to export, but the constant cloud and rain returned. So decided to give it another week bef...
I wonder if things are really so doomy and gloomy. I accept the validity of n=1 is as useful as a politicians promise, however, I remember as a kid in...
@toodles It was the colour that threw me, yours was yellow whilst mine was blue, green and grey. Now I know why! Very occasionally IOF does does exe...
Latest Posts
-
RE: Renewables & Heat Pumps in the News
@editor, I hear that too. I can confirm that out of ...
By ASHP-BOBBA , 4 hours ago
-
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 , 4 hours ago
-
@derbygraham fully agree with James, and it’d be good t...
By Mars , 4 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Finally got around to installing and setting up the Sol...
By Mars , 4 hours ago
-
Unfortunately its a function of the physics. Max heat ...
By JamesPa , 5 hours ago
-
RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 6 hours ago
-
RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 7 hours ago
-
There are just too many unknowns for me to comment on p...
By Transparent , 8 hours ago
-
RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 9 hours ago
-
RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 11 hours ago
-
RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 14 hours ago
-
RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 17 hours ago
-
RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 1 day ago
-
RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
By JamesPa , 2 days ago
-
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
-
RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
By petch , 2 days ago
-
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
-
RE: Anyone concerned about GivEnergy?
Many thanks for your, and the subsequent, answers tk qu...
By KevH , 2 days ago
-
RE: DIY or Don’t Touch? Solarman Smart Meter Install
Yes, and these guys would probably be my preferred inst...
By Batpred , 2 days ago
-
RE: Hot water tank lose heat rapidly on random days
@jamespa Hopefully their reasons are well intended! ...
By Bash , 3 days ago
-
RE: Ecoflow UK Support & Info Thread
As mentioned above, we’ve got our full review of the Ec...
By Mars , 3 days ago
-
RE: Say hello and introduce yourself
@sonosppp welcome to the forums. I see you've posted in...
By Mars , 3 days ago
-
RE: Guidance with installing a new heating system
@bobflux Great, thanks for the advice. The pipe has an ...
By Hamilton , 4 days ago
-
RE: Daikin Altherma 3 LT compressor longevity question
@optimistic-optimiser I have has a Daikin for a few yea...
By madsid , 4 days ago
-
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
