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: Nov 3, 2025
@enc that shows your system is getting your room to temp and then turning off. A defrost cycle should be quick and your rads shouldn't really cool dow...
certainly annoying, but not a massive deal. Ask them to straighten them out with a little fin comb.
I am giving set back a go tonight. As I have 7.5p/kwh from 00:30 - 04:30 I will leave the heating on as normal. Then I want to set back for a small pe...
Batteries are earning their keep with this sun today!
I wonder if its worth flipping the dips on my unit to upgrade it to a 14 or 16kw unit. Not sure how much this might impact efficiency if its still run...
@chickenbig couldnt you just get a metal case to put them in and stack those?
@editor wouldn't thermal imaging only give you the outside temps? Surely you'd need the thermals on the inside? I would assume the benefit of the pain...
You could just modify your curve down to -5 or beyond? I've also got an AC unit which can heat, so worst case I can use that for a blast of warm air
@alec-morrow of course you cant, but the real issue that a LLH creates a short circuit between the house and pump. The pump will chug along all day an...
Calling this now - this is the week they arrive
@alec-morrow yes sure, but you also want your system to push as much heat as possible. Losing heat back without using it is a crime and means you need...
- 27 Forums
- 2,750 Topics
- 64.7 K Posts
- 1,365 Online
- 7,157 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: How Accurate Is My DIY Heat Loss Calculation?
@editor Thanks Mars, I have been enjoying playing with ...
By kilgorexv , 19 minutes ago
-
New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
I am feeling baffled and worried:We are having a an Aro...
By GutoFfowc , 3 hours ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 6 hours ago
-
@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 6 hours ago
-
RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 6 hours ago
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 23 hours ago
-
RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
-
RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
-
RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
-
@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
-
RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago
-
RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago



