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: May 15, 2025
You can balance a buffer by simply having two flow controller installed either side of it. One should have already been installed on the ashp side, ...
@jamespa thank you for that, I never understand the full maths behind it all and things like that. I just did it on my findings. We did try on a cou...
@jamespa I'm very much in the anti buffer side and looking to revamp my system over summer to see about removing/replacing it in 2026. So I'm going to...
No probs. Looking at screen shot the system is running 55° at -2c to 54° at +16c This means this system is set up more like just using a set flow r...
@jamespa I was more concerned about the HP in the winter. I only run my HP for about 6-8 hrs a day and not overnight. So when the temp outside gets ...
@iraknic At 2 cubic meter/h that is around 33l/min, so the two pumps look like they are much the same flow. But when you stop a zone then flow...
@jamespa most HP recycle water around the system when its below say 4° but not supplying heat. To stop the water freezing. How does that effect the ...
@editor Even though we can see a reason to remove them, there's also a reason to keep then. I've found that they can help greatly in reducing defros...
If the pipe work is connected as per your diagram, then you need to get the installer back and make them change it. I would suspect it is more a flo...
Thank you @mikefl that was what I was looking for. No problems with wires (I hope), as we put two sets out when it was installed, so just need to us...
Okay cheers, looking forward to reading more as you progress
Okay understand now. Even though we get defrosting cycles we could reduce them by running the HP at a much lower flow temp. At present we try to run b...
- 26 Forums
- 2,591 Topics
- 60.3 K Posts
- 155 Online
- 6,924 Members
Join Us!
Worth Watching
Latest Posts
-
RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
Oh My, average installation is 15k inc Grant so £7500 t...
By ASHP-BOBBA , 16 minutes ago
-
RE: Help Right-Sizing My Grandmother's Heat Pump: Installer Says 12kW, I Think It's Oversized
Quite possibly all wrong. Get other quotes or regret ...
By JamesPa , 24 minutes ago
-
RE: Who's your electricity provider and what's your tariff?
That's amazing. Would love to just run our heat pump du...
By ChandyKris , 41 minutes ago
-
Having seen that latest photo, I'm inclined to agree wi...
By Transparent , 1 hour ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
What does this include? 3K is well ott. Check midsumm...
By JamesPa , 3 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
It seems R32 will start being phased out in 2027. For h...
By Batpred , 3 hours ago
-
Sigenergy Battery Storage System
Any users of the Sigenergy System? Looking at their pr...
By trebor12345 , 3 hours ago
-
RE: Renewables & Heat Pumps in the News
Our quotes have been simple to interpret in terms of th...
By Batpred , 3 hours ago
-
RE: Rate the quality of your heat pump design and installation
@keithb If you would like to start a thread describing ...
By JamesPa , 4 hours ago
-
RE: Electricity price predictions
@toodles Exactly my own thoughts when I read about this...
By KevH , 7 hours ago
-
RE: How much can an east/west solar solar system be oversized?
@editor , we managed to avoid the cowboys. This is a bo...
By colinc , 7 hours ago
-
RE: Who do I complain to about a poor ECO4 installation, can anyone advise?
Glad the heating is changed. Monitor and tweak if nece...
By JamesPa , 13 hours ago
-
Without a detailed analysis of the hydrodynamics I woul...
By JamesPa , 13 hours ago
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge no idea if they’ve made changes, but I got...
By AndrewJ , 22 hours ago
-
RE: Say hello and introduce yourself
@alva welcome to the forums and feel free to start a ne...
By Mars , 23 hours ago
-
RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
So under part G or the G3 rules you have a responsibili...
By ASHP-BOBBA , 1 day ago
-
RE: Air-to-air heat pumps - best models and installers
Are you creating a whole new category for A2A?
By ASHP-BOBBA , 2 days ago
-
RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?
Final Update. Yesterday, I was going through the moti...
By Unsure , 2 days ago
-
RE: Forum updates, announcements & issues
Thank you Mars for all your dedication to improvements;...
By Toodles , 2 days ago
-
RE: Selling 2 x Kensa Shoebox 7kw GSHP (New)
Hi Jain, we’ve got an ashp so I’m afraid we won’t be yo...
By Judith , 3 days ago
-
No buffer or low loss header Grant controller in sens...
By JamesPa , 3 days ago
-
RE: Are We Sleepwalking Into Another Race to the Bottom?
That's an amazing job to get all that in there! A truly...
By Batpred , 3 days ago
-
RE: Anyone concerned about GivEnergy?
Thanks for your advice - I'll keep trying with the inst...
By JohnDwyer , 3 days ago


