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
@mk4 Nett metering is great. The VPP I’m on works by charging the same for import and export, they then issue debit or credit each month to the accoun...
@mk4 For many of us, whom live in the less sunny parts of the country, we overcome poor per panel production by installing oversized systems. With che...
@toodles I didn’t consider the redox impact, you are correct. I guess you could achieve the same result from the outside of the radiator too, my pr...
@toodles Thinking laterally and from a non plumber. If you need to ensure your rads are bled to get max output, then surely the converse is also tr...
Sun path critical for us, needs to get over a hill to hit the roof, currently lightly touching our lower smaller array but not the main roof yet. Bac...
@jamespa I was comparing and contrasting with this installation because it was the same model of heat pump and we are just the other side of the hi...
Boiler plate 16kW which has an actual output of about 13kW which is what you would select for a heat loss of about 12kW, in Huddersfield Yorkshire, I ...
Boiler plate 16kW which has an actual output of about 13kW which is what you would select for a heat loss of about 12kW, in Huddersfield Yorkshire, I ...
We have recently completed rather similar on a slightly larger floor plan, but minus UFH. Before deciding battery capacity, get your heat pump unit ...
@jamespa It’s the index rad on the system. They were balanced about 4 months ago with inlet and outlet temp sensors, I’ve been loathe to fiddle with a...
@jamespa It varies as dad has some cognitive issues, the door leads to an unheated landing so that doesn’t help. I’ll edge it up to 20% then, we are a...
@jamespa That’s nice and easy, thanks, 10% ish. I have a 10% larger rad in a different room that’s a touch too warm, so I can just swap them over. G...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 10 hours ago
-
@kilgorexv, I actually think doing your own calculation...
By Mars , 10 hours ago
-
RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 24 hours 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: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
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 , 5 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 6 days ago
-
RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 6 days ago
SPONSORS
