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: Aug 3, 2026
This really depends on your heat loss and emitters. My installer and I seem to have been too pessimistic about the heat loss and maybe overshot on ra...
@heacol thanks for explaining. We have FRVs on most radiators. We have TRVs in the bedrooms instead, but they are all wide open. The temperature i...
@judith Yes I agree. They are extremely expensive. I suspect they sell very few of them, so they don’t have the economies of scale of standard rad...
@heacol this may be a silly question, but why would you need a second pump? The water pump in my Grant Aerona 290 15.5kW is happily pumping the wate...
@editor Yes, we all suffer from the Dunning-Kruger effect. It is so easy to think we understand something, when we don't - especially when it looks...
What an interesting and ambitious project. You certainly have built a big house - 650m2 is enormous! Here are some pointers: I wonder why you ...
@old_scientist 3. Some pipe work is always hidden, but some is always visible too. The pipes connected to the old boiler, water pu...
@editor I found this Wikipedia article on Noel Burch's Four Stages of Competence model. It appears that your installer may be stuck at the "Unc...
@jamespa I find this rather strange. We have had three gas boiler systems installed. I also know about my parents' and children's gas boiler systems...
@editor this is exciting! It will be great to hear how things go.
@editor your engineer's attitude is truly horrifying. I suspect he realises that he messed up, but can't bear to face up to it. Anyway, once The Ma...
@rob-nezard yes absolutely. Here is the link and a photo:
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Questions about A2A for heating as well as cooling
@ashp-bobba ah that's good to know, I'll get in contact...
By donciccio , 4 minutes ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
Samsung 16kw has been working well at home in Perthshir...
By DowallyDrifter , 46 minutes ago
-
RE: Aircon - in listed buildings
@etchedpixels thanks for giving such a full and helpful...
By GrahamF , 22 hours ago
-
RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
Another idea if the above don't work - there are compan...
By downfield , 1 day ago
-
RE: Love veg, hate watering cans
They have their downsides but boreholes are great in th...
By ian33a , 1 day ago
-
RE: Who's your electricity provider and what's your tariff?
@old_scientist The service engineer powered down the ex...
By Papahuhu , 1 day ago
-
RE: Issue with Samsung Cascade System
@jamespa It's a funny system, but was out only option l...
By Renewables345 , 1 day ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Thanks, I like the chart, very helpful and this will de...
By baroquebank , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Production resumed to normal once the issue ...
By MK4 , 2 days ago
-
RE: Digest of UK Energy Statistics
That sounds painful. It would be much better to charg...
By Transparent , 3 days ago
-
Hole diameter is small but hole length is also very sma...
By bobflux , 3 days ago
-
RE: Are Wind Turbines Really “Losers”?
We were sailing near a wind farm in the North Sea last ...
By Jeff , 3 days ago
-
@trebor12345 The idea is to ensure that Powerwall knows...
By Toodles , 3 days ago
SPONSORS
