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 30, 2026
@balalto - that's all necessary for MVHR but what about PIV ? Where heat recovery doesn't seem to be a thing ?
@heacol While we're talking initials: What's your opinion of PIV ? Positive Input Ventilation. Is it just a way of losing heat without having the wind...
@robl I have an Fluke IR thermometer which is great unless the scanned surface is shiny, like a copper pipe... Would the Flir have trouble giving a me...
@editor Which Flir model was it you used ? I've been thinking about getting the 'cheap' one Flir One Gen 3 with resolution of 60 x 80.
@saz Wavin not drowning ? I do hope you get this sorted soon !
Hi Derek. Can you explain a bit more about the diverter please, a 2kW convection heater sounds like it could be a useful addition to the heating optio...
Very revealing @alastair. Years ago I nearly got stuck behind the bath by squeezing myself round to reach a big hole just as you describe and stuff it...
@saz have you managed to get any joy from your installers today ?
@saz I know what you mean - but it can't get much worse than no heating and no hot water. Can you attach a photo of the pump. Derek is great at explai...
Sounds like a big mistake having leak sealer put into your heat pump. Did you installer do that ?! Surely that's the reason for 'compressor blocked'.
I'm surprised you don't think having a smart meter is for the greater good, allowing data to be recorded in finer detail in the advance towards net ze...
- 27 Forums
- 2,758 Topics
- 64.9 K Posts
- 1,514 Online
- 7,162 Members
Join Us!
Installer Finder
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 , 3 hours ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 9 hours ago
-
RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 14 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


