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
@sandman1600 That’s correct. The weather compensation takes over control of the flow temperature according to that little graph that is shown. It’s...
@sandman1600 so what that is showing is that at -3C outside your flow temperature is 55C and at 25C outside your flow temperature is 25C. Between t...
@editor It really just is a case of greed and easy money I fear, Mars
@johnr The really annoying thing about the high service costs is that servicing a heat pump is a lot less hassle than a gas boiler. All that is requir...
Ive done some rough calculations on those figures after trying to add in the wood and Ive come up with a demand of about 19.5kW at -3C to achieve 21C ...
@sandman1600 Yes, you have the idea of what you need to achieve. Ive no doubt you will see much reduced energy usage very soon. 🙂
@dowallydrifter if you had oil usage figures and didn’t use the wood burners much you could use that as well to get a sanity check.
@dowallydrifter I think I would be tempted to do my own heat loss assessment. Using heatpunk/p> or you could try this simple one/p> There is a s...
@sandman1600 Hi. Without knowing more about your system for a quick and dirty fix I would lower your flow temperature to 35C and leave the heating ...
@jamespa @bami Just to clarify, I have already done what James has suggested. My water law settings are as low as I can use.
@broadsman I run mine on water law but with regards thermostat as a limiter on my warmest room so the controller does display HEAT.
@eliuccio some people fan assisted radiators to good effect to get extra output. They are expensive but there are diy options which aren’t.
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Questions about A2A for heating as well as cooling
Thank you for that very helpful and thorough response! ...
By donciccio , 5 hours ago
-
RE: Aircon - in listed buildings
@etchedpixels thanks for giving such a full and helpful...
By GrahamF , 20 hours ago
-
RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
Another idea if the above don't work - there are compan...
By downfield , 22 hours ago
-
RE: Love veg, hate watering cans
They have their downsides but boreholes are great in th...
By ian33a , 23 hours ago
-
RE: Who's your electricity provider and what's your tariff?
@old_scientist The service engineer powered down the ex...
By Papahuhu , 24 hours ago
-
RE: Issue with Samsung Cascade System
@jamespa It's a funny system, but was out only option l...
By Renewables345 , 1 day ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Thanks, I like the chart, very helpful and this will de...
By baroquebank , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Production resumed to normal once the issue ...
By MK4 , 2 days ago
-
RE: Digest of UK Energy Statistics
That sounds painful. It would be much better to charg...
By Transparent , 3 days ago
-
Hole diameter is small but hole length is also very sma...
By bobflux , 3 days ago
-
RE: Are Wind Turbines Really “Losers”?
We were sailing near a wind farm in the North Sea last ...
By Jeff , 3 days ago
-
@trebor12345 The idea is to ensure that Powerwall knows...
By Toodles , 3 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
'hard limited' could be in 'admin' password protected s...
By JamesPa , 4 days ago
SPONSORS
