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: Jun 27, 2025
OK, so you've replaced a pellet boiler which was probably around 24-30kW, and would have been batch fired into a large thermal store or buffer tank. T...
Secondary bypass is here, black top...
The Warmflow AS03-R32 is a 20kW rated unit, it's quite a beast. Let's assume that it's running those rads at a fixed temperature of 50 degrees, close ...
@oswiu the building regs from 5 yrs ago made no recommendations for air tightness, that has only just come in with the changes to part L. The OPs ho...
You should have moved to a smaller house 🤣 and not installed a grant, or in your case two of the darn things… They're good units, made in Japan by C...
@mcwatson1974 11m of bifolds, there’s your problem right there…. did you have a blower door test done on completion? It might have loads of insulati...
The shouldn't reject it on planning, the noise thing is an issue for environmental health, not planning. Planning won't listen to your whining neighbo...
All this talk of obfuscation..... I just sent an email to the MD of my ASHP supplier and said 'can I have the modbus register map please' - got a PDF ...
So aside from the PD issue (easily resolved with a retrospective planning application), what's the issue here? Given that RHI has stopped, I can't see...
@mcwatson1974 Congratulations, you've found the heat loss of your house, it matches whatever heat output your 8kW ecodan was delivering when it was co...
My 10.6kWh slab of 11 year old LiFePo4 is in an unheated shed, I limit my charge rate to 20a in this temperature and limit my discharge rate too (no e...
Interesting.... Although we're trying to get the unit costs down, I fail to see how manufacturing in the UK achieves that. Let's hope they start wi...
- 27 Forums
- 2,749 Topics
- 64.7 K Posts
- 701 Online
- 7,157 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
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 , 1 hour ago
-
@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 1 hour 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 , 2 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 , 6 hours ago
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 19 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
-
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



