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: Aug 5, 2026
We had water hammer with our gas boiler and lived with it. Since installing the HP our water hammer has gone, so I'd agree that replacing your HP wi...
Mine has fluctuated all day long between around 250-500w and has averaged just under 400w per hour today with no apparent cycling. I've consumed aro...
@bobflux Yeah, I don't also. I had wondered why Matt Drummond's 8kw heat pump (the one at the top) has a very steady electricity draw. It must be (...
@optimistic-optimiser The Daikin at the top is Matt Drummond's I'm pretty sure. There is a lot of posts by him trying to optimise and understand hi...
@ubert767 @toodles @bobflux @editor @optimistic-optimiser Having had a trawl through OpenEnergyMonitor I found a useful page that gives so...
@toodles Thanks. I suspect this is normal behaviour, so not particularly worried, but you never know with these heat pumps as there are so many set...
Thanks Toodles, This is very similar to what I can see in our Shelly app, however the original poster (and me) are looking at the real time...
@ubert767 We recently had the 8kw Daikin installed and this was on my radar after watching my shelly data (way too much 😆). I have observ...
@jamespa I found the valve authority video which is very helpful. We have Pegler Terrier valves, but I cannot find any info on what the valve aut...
Thank you @old_scientist @jamespa @cathoderay This is all very helpful information! I was starting to come to the conclusion tha...
@editor The re-wording is now much better, it removes the layman's view that the install/design/efficiency etc was perfect, which as we know is nig...
- 27 Forums
- 2,745 Topics
- 64.5 K Posts
- 1,888 Online
- 7,149 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
@jamespa, I understand the concern. The title is delibe...
By Mars , 14 minutes ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Absolutely spot on IMHO. Anytime someone posts here ...
By JamesPa , 3 hours ago
-
I'm not sure why you would want to make it more difficu...
By JamesPa , 4 hours ago
-
RE: Mitsubishi Ecodan FTC6 settings
I was just replying when i saw your edit drop in! 🙂 ...
By F1p , 6 hours ago
-
RE: Wood burner with ASHP - direct air?
@lucia FWIW installed a woodburner some years ago. ...
By JamesPa , 7 hours ago
-
RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 22 hours ago
-
RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 23 hours ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 2 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 4 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 5 days ago
-
RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 5 days ago
-
I don't notice mine defrosting, and most of the time Im...
By JamesPa , 6 days ago


