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 14, 2026
@jamespa its weird. It’s -1.5C outside, I’ve been monitoring the temp of the radiator (not the room) and it’s only running at about 24 C. The curre...
@jamespa Thanks We are running completely open loop and the upper floor rads are already reaching the same temp as the lower floor rads. So rebal...
@toodles We had a reroof concurrently with the PV install, it was 60 years old and although not leaking was at the end of its useful life. Plus, if...
@toodles I sail, so have a feel for what wind can do. At 80mph, there is approx 79kg/m2 lift. 10 panels is 20m2, I make that 1600kg lift, max. I’ve ...
@jamespa thanks, yes it seemed mad to me. An exert from the heat loss report for one of the rooms is below. I told them prior to and during the...
@toodles you must have discovered the secrets of quantum gravity to get them to float above the ground then, or are a Jedi 😀 It’s an abs...
@toodles unfortunately our roof pitch is only 14 degrees (another reason winter solstice production is pants) so rain and wind isn’t enough to was...
@toodles I guess it makes sense, ladders and water don’t mix well. Not sure that a water jet would be enough to get through the pigeon poop on mine...
December is dire for us. 3/4 the way up a south facing hills the sun barely manages to get its nose over the peak. Had a look today and there’s half a...
@toodles Thanks. Yes I’ve tried three or four times and can’t get my own data. Some folks on the forum were indicating all you needed to do was regist...
@toodles Just to follow up. I have made a little progress with my installer after considerable back and forth, haven’t yet had to go nuclear and pu...
- 27 Forums
- 2,750 Topics
- 64.7 K Posts
- 1,211 Online
- 7,157 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
I am feeling baffled and worried:We are having a an Aro...
By GutoFfowc , 55 minutes ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 4 hours ago
-
@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 4 hours ago
-
RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 5 hours ago
-
RE: How Accurate Is My DIY Heat Loss Calculation?
Any idea how efficient your gas boiler is? Is it a 50 y...
By Old_Scientist , 9 hours ago
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 21 hours ago
-
RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 1 day ago
-
RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
-
RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
-
@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
-
RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago
-
RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago



