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: Mar 7, 2026
@derek-m I 2nd that and keep it slow and agonising for cavity wall insulation sharks. 🤬
@bontwoody Theirs (from your link) is even lower than the MCS calcs. HG = 3kw BG = 3.5kw Oct =4.? These are all estimated ...
@gunboatdiplomat I haven't done a Heat Geek calc but have done a de Podesta calc on 1year's metered gas use (which HG reckon is ok). This gave me 5.61...
@bontwoody yes, I understand about larger rads and lower flow temperatures what I don't grasp (and that page doesn't explain because I don't see any m...
@dougmlancs Thank you - that's definitely worth a try. I know the loft insulation was done in 2006 and the firm went bankrupt (my GBIS assessor found ...
@johnmo You have to extract everything first and only then can you refill it. Even for a small bungalow like mine it's £3,000 at least. I can't afford...
@toodles No, it can't be topped up.
@johnmo You have a 6kw Daikin? Good point about the bucket... My preference if going for the 6kw is to try and convince Octopus to accept it. I ...
Help! 😵💫 I now have 2 MCS calcs @ 45º flow temp how do I plot a compromise between the two? 1: Fully insulated cavity wal...
@jancold I was told by sales it would be a long wait but it came through pretty quickly. I only waited about 3 weeks. Install is proposed for Octob...
@judith did you see the link I posted yesterday in my 2 choices thread 'my new toy' ? It's worth checking for Daikin - you can set up the pump model &...
@jancold BG's quote for me is over £1000 higher than Octopus - without counting that Octopus will remove my gas connection and cap it off for free and...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Samsung heat pump - data cable issue
If it's a data cable, current will be minuscule, voltag...
By bobflux , 34 minutes ago
-
RE: Rate the quality of your heat pump design and installation
I'm kind of at the end of my heat pump installation now...
By JandP , 5 hours ago
-
RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
I got hit with an RHI audit in 2022. It was far from c...
By Abernyte , 6 hours ago
-
RE: Electricity price predictions
@papahuhu Groucho Marx had something to say about no...
By Toodles , 8 hours ago
-
Given the way radiation and convection effects don't wo...
By Majordennisbloodnok , 10 hours ago
-
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
By swwils , 14 hours ago
-
RE: Vaillant Arotherm Pro vs new Plus
One of the test modes in the installer menu forces it t...
By JamesPa , 1 day ago
-
RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 1 day ago
-
RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
By Mars , 1 day ago
-
Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
By Mars , 1 day ago
-
-
RE: Indevolt Batteries UK Support & Info Thread
It depends on how you configure it via the app. The ma...
By JamesPa , 1 day ago
-
RE: Renewables & Heat Pumps in the News
Be interesting if this results in any wider changes to ...
By Jeff , 2 days ago
SPONSORS
