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 2, 2026
I'm still running on my gas boiler and have been analysing my half-hourly gas use (and OAT, IAT, flow temp and return temp) for almost two years. I co...
I haven't read your full system details, but perhaps the heat delivery is restricted (by pipe gauges and emitter dimensions, etc).
Quite. They have families to support so must spend their time effectively.
@tomaszw For ASHP, in particular, my use of a reputable designer and installer is a given (most likely a Heat Geek). It's also the details that are im...
@tomaszw This is my nightmare. Although I would never consider buying from BG, your experience is doing a good job of deterring me from me from instal...
I applied for my G99 last November. Largely as a result of delays caused by NGED my PV installation wasn't until 1st July. Largely as a result of de...
and the EU WEE directive on which the UK version is based. A quick Google suggests that it's the local distributor who is responsible for WEEE compl...
@jamespa Yes, I’m following the other thread too. The 2900 rule of thumb is from Protons for Breakfast (and we tend to set the thermostat higher ...
Further thoughts on this.... In recent years my gas use (including DHW, gas hob and very occasional wood burner effect gas stove) has been around 30...
@davesoa My radiators appear to have been well-specified for the total house heat loss, but at ΔT50. I'll be needing to replace all mine, too. At so...
Degreedays on the bottom and daily energy on the left. It suggests a 12kW heat source may be appropriate. This compares with a heat loss of 11kW from...
@davesoa Did he have any comments on your existing radiators? I've already concluded that I will probably need wider bore 'tails' in the airing cupb...
- 26 Forums
- 2,677 Topics
- 62.6 K Posts
- 216 Online
- 7,090 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
Floor standing brackets for K3 rads
My neighbour is a plumber and said I would need to fit ...
By Singlespeed , 27 minutes ago
-
After an intense recode, I’m pleased to announce that w...
By Mars , 36 minutes ago
-
RE: Heat pump installation quotations
@batpred, @sttpd1917 I agree with what @batpred says...
By JamesPa , 36 minutes ago
-
RE: Harvest Thermal - ASHP with a smart thermal battery
As its using ToU tarrifs then its totally believable so...
By JamesPa , 2 hours ago
-
Why do you want to maintain a specific deltaT? The out...
By JamesPa , 2 hours ago
-
Hopefully this will answer your question. To...
By ASHP-BOBBA , 3 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 3 hours ago
-
Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 5 hours ago
-
RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 5 hours ago
-
RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 9 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 9 hours ago
-
RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 9 hours ago
-
RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 13 hours ago
-
RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago


