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...
- 27 Forums
- 2,745 Topics
- 64.5 K Posts
- 312 Online
- 7,149 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 10 minutes ago
-
RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 20 minutes ago
-
RE: Wood burner with ASHP - direct air?
For what it's worth I installed a wood burner in this o...
By BlizzardGreen , 1 hour ago
-
@editor Thanks for your response and recommendations. ...
By DavidB , 8 hours ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 22 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 4 days ago
-
RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 4 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 4 days ago
-
I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 5 days ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago



