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 4, 2026
@johnmo I though I had LOL, then its the hysteresis I need to look at, Im not sure how to change that on my Samsung so a bit of digging is needed.
@johnmo Hi can you explain this statement about the 40L I can appreciate that having a larger body of water to heat will slow the onset of cycling, ...
@lucia Sorry, Ive lost track of this thread as I have a lot on today. Obviously the output of the heat pump must meet or exceed you estimated heat los...
@lucia If you have larger emitters (radiators) then a lower flow temperature can be used to provide the same heat loss. As well as the COP varying wit...
@pie_eater I appreciate its frustrating getting quotes and making sense of them. For a cheap to run system you will want large radiators and a sensibl...
@pie_eater TBH that sounds like typical installer bull. I have never come across an undersized heat pump. Loads of oversized ones and I have never hea...
Given the way your heat loss calculations are going, I still think that is way too big. Try and find out how low the unit will modulate down to. Also ...
@lucia Well you could go with whoever to install your heat pump just switch to an octopus tariff and they will removed the gas meter for free! Octop...
@lucia If you are on an octopus tariff (Not installation) they are still removing and capping the gas meter free of charge. I had mine done several mo...
@pie_eater LOL, you are going to love this forum then! 🤣
@pie_eater Here is the link I mentioned, it contains various methods of calculating heat loss. It depends how accurate you want to go. Using tw...
The short answer is yes, there are other ways to check your heat loss estimate. I will post a link tomorrow when I’m at my pc. I would not be surprise...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: PV and battery long payback - sense check query
@davidb, it would be helpful if we had some ballpark id...
By Majordennisbloodnok , 2 hours ago
-
RE: Can I start an argument about buffer tanks please? 🙂
Assume flow from the heat source is higher than flow to...
By bobflux , 3 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks for that. BTW I'd be happy to test one for you...
By BlizzardGreen , 5 hours ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 6 hours ago
-
RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 18 hours ago
-
RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 19 hours ago
-
RE: Love veg, hate watering cans
My dear daughter came for a bath and was given clear (I...
By Jancold , 19 hours ago
-
RE: Questions about A2A for heating as well as cooling
@ashp-bobba ah that's good to know, I'll get in contact...
By donciccio , 21 hours ago
-
RE: Aircon - in listed buildings
@etchedpixels thanks for giving such a full and helpful...
By GrahamF , 2 days ago
-
RE: Who's your electricity provider and what's your tariff?
@old_scientist The service engineer powered down the ex...
By Papahuhu , 2 days ago
-
RE: Issue with Samsung Cascade System
@jamespa It's a funny system, but was out only option l...
By Renewables345 , 2 days ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Thanks, I like the chart, very helpful and this will de...
By baroquebank , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Production resumed to normal once the issue ...
By MK4 , 3 days ago
SPONSORS
