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 9, 2026
Welcome to the forum and please feel free to ask any question you wish. Here is my starter for 10 focussing on the ASHP 12kW s...
Since you ask what others think, I think he is very probably talking rubbish and doesn't understand how ASHPs, or indeed weather compensation, works. ...
In the diagram the volumiser is shown as being between flow and return thus acting as a short circuit for the water flow. This is wrong, it should ei...
This is done through the survey. Basically they measure each room, check the construction, and from that you can calculate the loss. You then check ...
Im sure you dont need me to tell you not to let him off the hook until WC is working without him playing in the background!
The main thing with flow is that it must be sufficient, which is basically dependent on the original plumbing and the state of the filters. Cleaning ...
sorry but thats just nonsense. A volumiser can go in flow or return. Flow is arguably better but return is nearly as good and in either case it func...
I know, the sad thing is that big corporations win, small boys lose.
Sorry to hear that. To sum up the advice you have received so far. 1. The buffer tank is a buffer tank,. It does also serve to increase s...
The principal purpose of this, I believe, is to stop vapour from the house (which is generally more humid and at a slightly higher pressure than the o...
Only the big ones. The smaller ones wont have the land banks that the big ones have so will need to build to latest regs. I wonder when this quite r...
Noted. That will probably help but does of course mean that the water which was piping hot at the top is returned to the top slightly cooler, as a re...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Unfortunately the answer is Yes you will need a new FTC...
By F1p , 9 hours ago
-
RE: PV and battery long payback - sense check query
So if it helps I was recently quoted about 8 grand for ...
By EtchedPixels , 9 hours ago
-
RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 17 hours ago
-
RE: Electricity price predictions
In our case, we constrain the charging level etc using ...
By Batpred , 17 hours ago
-
Does minimum system volume matter in the context of sim...
By Tony.Stolz , 1 day ago
-
RE: Indevolt Batteries UK Support & Info Thread
I had a quick look and they are a little vague. They ...
By BlizzardGreen , 1 day ago
-
RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 2 days ago
-
RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 2 days ago
-
RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 2 days ago
-
RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 3 days ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 5 days ago
SPONSORS
