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: Sep 19, 2024
@sunandair The water mixing would appear to be in the better direction, water flow into LLH slightly greater than water flow out. You could try lo...
The size of heat pump should be based upon the heat loss of your home, not which model is the quietest. What is the heat loss?
@editor You could probably check the accuracy of your meter by taking a reading, and then filling a vessel of know volume, the larger the better, in...
@transparent I fully agree. Whilst it is important that people can use such systems to help reduce their electricity bill, and hence recoup the or...
@sunandair In a similar manner to the CH, DHW production also suffers from the effects of those 'nasty' Laws of Thermodynamics, who insist upon movi...
The first thing that you need to do is try to locate the leak. If it is at a tap or inside your washing machine or dishwasher then just shut off the w...
Do you have the detailed, room by room, heat loss calculations, on which the size of your heat pump should have been based? What kind of heating do ...
What is your heat loss calculation and what size of heat pump is being installed? What is your DHW consumption? From the above it may be possible to...
@sunandair The 1.5C - 2C temperature difference between primary and secondary, could just be due to inaccuracies in the readings. Lowering the flo...
Without knowing the exact details of your system, how it has been installed and configured, it is difficult to provide a definitive answer. Possibly ...
Do you have any heat loss calculations for your home?
@sunandair Where is the DT of 5C, when you close in the valve and where is the valve located? Some actual temperature values on the diagram would ...
- 27 Forums
- 2,741 Topics
- 64.3 K Posts
- 1,006 Online
- 7,145 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
The "thermal comfort" we feel is a mix of air temperatu...
By bobflux , 9 minutes ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
@majordennisbloodnok - thanks so much. That has been...
By CalumM , 8 hours ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 10 hours ago
-
I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 11 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
@indevolt-tech When you say 'dedicated switched fused ...
By JamesPa , 15 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 , 2 days ago
-
RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 2 days ago
-
RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 3 days ago
-
RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 3 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 , 4 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 , 4 days ago



