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: Feb 21, 2025
Hi Anca1808, Welcome to the forum. First off, please try not to panic. We just need to do some problem solving. 1. Where are you ...
Hi AndrewJ, There's several design principles which vary from designer to designer. The ones Octopus have designed to are generally considered t...
Hi Carpenterstation, Welcome to the forum. 17kW Heat loss on a 450sqm property is definitely on the lower side, that's a peak heat load of just ov...
Hello, Buffer tanks have several functions which determines whether or not they are necessary in an installation. 1. Hydraulic separation for ...
Hi James, The actual values used for MCS are the room design temperature, the insulative values (u-values) for the property as well as the unique m...
@bontwoody Good spot there, yes you are absolutely right, my apologies OP. dT should stay consistent but min (crucially max) flow temperature shoul...
Hi @chansug, a warm welcome to the forum. A few points if I may on your quotes recieved. 1. The heatlosses are all (relatively similar). You m...
Cycling every 15-30 mins is not ideal for wear and tear on the unit, no, but your efficiency is 'ok' by most standards which is the key impactor of ru...
@jaynieq Hi Jaynieq, All the advice offered by JamesPa is, as per usual, spot on. Unfortunately, ECO4 installations are frequently where we s...
@alfapat Everything as commented above is pretty much spot on- the lower the flow temperature the heat pump is being asked to produce, the better the ...
@abbote Hi there, Well done with all the fault-diagnosing you have done so far and sorry to hear that you have been having such issues with you...
- 26 Forums
- 2,724 Topics
- 63.8 K Posts
- 1,059 Online
- 7,125 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Jokes and fun posts about heat pumps and renewables
Plenty of butts 'round 'ere but
By Transparent , 7 minutes ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Have either quote provided room by room heat loss calcu...
By Old_Scientist , 13 hours ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@old_scientist if you are going DIY then you may wan...
By Papahuhu , 2 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
After a short while that was followed by the 'power war...
By JamesPa , 2 days ago
-
RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
By bobflux , 2 days ago
-
RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 3 days ago
-
RE: Missing flow temperature in Heat Geek proposal
@editor I went through HG website, so should be ok for ...
By sttpd1917 , 3 days ago
-
Who did the Freedom Heat Pump cloud server and what did...
By Mars , 3 days ago
-
RE: Who's your electricity provider and what's your tariff?
Reading between the lines of what octopus are doing wit...
By JamesPa , 3 days ago
-
RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
By EtchedPixels , 3 days ago
-
I hope it goes ok, Hon can be hard to set up IF the sof...
By Graham Hendra , 3 days ago
-
@clockworks Hi, So there is a big difference between st...
By ASHP-BOBBA , 3 days ago
-
@editor wellvery comprehensive answer. I will get all i...
By Keithb , 3 days ago
-
RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
all good advice I will follow this up
By PaulC , 3 days ago
-
Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
By bobflux , 4 days ago



