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 19, 2025
@cathoderay apologies for my snark. I am a bit defensive about this stuff. It was a lot of work over the last 2 years researching and planning and get...
Argument over and back purely to the points at hand. Ray, my heat pump isn’t oversized. The calculations were done by the installer and I don’t have t...
@bontwoody ok.
Calm down a bit Ray. I’m not required to post to any arbitrary standard set by you. I shared my experience, factually, and that’s that. There was no o...
I must point out another couple of things. I did not mention “design temp” nor did I claim that the OPs house would be “warm within hours”. Rather ...
@cathoderay whatever you say, Ray. 😆 I must try to remember in future that I have to make sure any post I make going forward is tailored to your lik...
maybe your pump or install isn’t exactly the same as mine, Ray. I would definitely recommend Grant to anyone and a grade 1 Grant installer on a prop...
what does all round cold start mean? Was my house supposed to be at -10? Should I have kept the wood burner off and opened all the doors and windows d...
It was very, very obvious that I meant a cold start for the heat pump as it it being turned on for the first time, given this is the topic of the thre...
@cathoderay are you suggesting I am not being truthful? Downstairs in my kitchen was showing 13 degrees when the pump was turned on at 6pm. By the ...
Grant also do an “integrated” cylinder now. I would have got that, in retrospect.
I also sold my boiler and oil tank on Gumtree for a grand. That was great, guys just came and took it all away on day one of the ASHP install once the...
- 27 Forums
- 2,745 Topics
- 64.5 K Posts
- 2,026 Online
- 7,149 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
@davidb I can’t help you with contacts at Vaillant unfo...
By Mars , 3 hours ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@Ian-S, I actually think this is a pretty reasonable pl...
By Mars , 3 hours ago
-
RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 7 hours ago
-
RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 7 hours ago
-
RE: Wood burner with ASHP - direct air?
For what it's worth I installed a wood burner in this o...
By BlizzardGreen , 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 , 1 day 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
-
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 , 6 days ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago



