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Last seen: May 13, 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...
Latest Posts
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils mine is mostly off now. Hot water for an hour ...
By AndrewJ , 2 hours ago
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RE: Setback savings - fact or fiction?
I too agree with what you say, and am grateful to you f...
By cathodeRay , 3 hours ago
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RE: Vaillant Sensocomfort Time
Thank youy for the pointer. I think I have managed to ...
By ispookie666 , 4 hours ago
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RE: Forum updates, announcements & issues
I have been doing a lot of work on the site lately and ...
By Mars , 4 hours ago
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@majordennisbloodnok good advice, thanks for that.
By David999 , 7 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
I am following this thread with great interest and than...
By TaffontheTaff , 10 hours ago
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RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with a website. But you ca...
By JamesPa , 1 day ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 1 day ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 1 day ago
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I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 1 day ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
@chainreaction Agree with @broadsman , it seems many ...
By Batpred , 1 day ago
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 1 day ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 2 days ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 2 days ago
