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: Jan 29, 2026
@jamespa I should have mentioned my flow temperature is fixed at 35C which you can see in the photo. I quite agree about contraflow but have failed...
I happen to have a Heat Saviour (HS)in my system!After nearly 4 years I have quite a lot of daily data on both electric usage and outside temperature....
The plate heat exchanger is made in Poland. Apparently they specified it that way, but maybe for other applications with higher temperatures. The inst...
@sunandair @jamespa My installer came to fit a more appropriate size of secondary circulation pump this afternoon (no charge, but he took the industri...
We will have to see. Sometimes it is better to start with the easy stuff and get that right. The technology then gets good press and the installer bas...
I’ve had another priority: our Mozart Requiem and Coronation Mass concert to focus on - lots of musical dynamics! Tomorrow the installer is supposed ...
Unfortunately it is next to impossible to modulate efficiently over the entire range of outputs. However, I agree that unnecessary oversizing is not g...
I find John Cantor’s video most useful for explaining efficient running of a heat pump. He stresses that cycling is not necessarily a bad thing a...
I object to you taking everything out of context. I certainly won’t waste time explaining anything to you. Please don’t quote me in misleading ways. ...
@fazel @alan-m yes setting the WC lower does make it run at a lower target temperature in WC mode. If I try to set it lower than 35c manually it doesn...
I show the temperature cycles, you ask about the electric, I say the electric cycles like the temperature, you continue….it’s all simple.. watch John ...
- 27 Forums
- 2,745 Topics
- 64.5 K Posts
- 313 Online
- 7,149 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 9 minutes ago
-
RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 19 minutes ago
-
RE: Wood burner with ASHP - direct air?
For what it's worth I installed a wood burner in this o...
By BlizzardGreen , 1 hour ago
-
@editor Thanks for your response and recommendations. ...
By DavidB , 8 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 , 22 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 4 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 , 4 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 4 days ago
-
I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 5 days ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago



