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: Jun 30, 2026
@transparent - This brings back memories of 25-30 years ago when I was responsible for shipping some crates of electronic equipment to China. I manag...
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...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 2 hours ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 7 hours ago
-
RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 13 hours ago
-
-
RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
-
RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
-
RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
-
RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
-
It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
-
RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 2 days ago
-
RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 4 days ago
-
RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 5 days ago
-
RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago
SPONSORS
