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 4, 2026
This is the part of your query that is currently puzzling me, as none of these modes are familiar to me from someone who has played around with the FT...
First of all, be very cautious about the relying on the reported COP figures, in isolation of anything else as an indicator of a system problem, as wi...
Worth also adding that, assuming you know the rough overall annual costs, then most, if not all, energy suppliers will enable you to pay via a fixed m...
Hi, and welcome to the forums.I'm a fairly new user of an Ecodan system (installed June 2025) with an FTC7. I've been running on pure weather compens...
Quick query, but what is the Heat Produced column measuring in your data table? The only thing I can equate those number to is an hourly rate in kWh,...
@ecoste Interesting figures, thank you for sharing. For context, my heating costs are 55% lower than last year's gas boiler usage, so I'm trying to ...
Just to provide some immediate context around this, the last few days have been easily the coldest of this year's heating season, and you're at peak u...
The reason for doing the experiment was based on a lower flow rate increasing the DeltaT at the emitters, as this had typically been around 2-2.5°C at...
Happy New Year to all fellow tinkerers. I've been doing some minor fine tuning tweaks on my Ecodan system over the Christmas period and wanted to see...
Fair enough. The reason for asking was that Henri's post suggested almost no temperature fluctuation from the PAR 60 being recorded. Even with granu...
@f1p Looks good, and will likely be something I use when it becomes available (is it sad that I've picked up that there'll be a new colour coding for ...
Full year 2025 figures per the Sunsynk app are 4,326kWh PV generation and 1,594kWh of export. The system was installed in December 2022, and the 2023...
Latest Posts
-
@david999 ... just water, David, or do you add anything...
By colinc , 16 minutes ago
-
RE: Our 10 year old Grant heat pump failed
Since my last post on this topic we've reached a conclu...
By Mike Patrick , 54 minutes ago
-
Brown Oily Residue Blocking Air Vent and Weeping Relief Valve... Anyone Seen This?
My installation is 4 years old. After about 18 months a...
By seoras , 3 hours ago
-
RE: Renewables & Heat Pumps in the News
An article on funding for heat pumps in case anyone is ...
By Jeff , 4 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks @editor , @indevolt-uk Subject to any comments ...
By JamesPa , 12 hours ago
-
RE: Share Your Experiences with Heat Pump Manufacturer Support
@seoras Sorry to hear that. I found Vaillant very help...
By JamesPa , 12 hours ago
-
The Watchdog That Watched and Waited
On 9 January 2026, Consumer Energy Solutions collapsed ...
By Mars , 16 hours ago
-
RE: GSHP Kaput After 16 Years: New Compressor or Switch to ASHP? Advice Welcome
Cool Energy in Grimsby sell ground source heat pumps an...
By DerekDeLeon , 16 hours ago
-
RE: Valliant Heat Pump Settings
Thats arguably a sign of a good installer - they unders...
By JamesPa , 17 hours ago
-
RE: Electricity price predictions
Well, we have so many cases where rain water mixes with...
By Batpred , 18 hours ago
-
RE: Two heating zones to one zone
@profzarkov They arent obviously wrong, but the only...
By JamesPa , 20 hours ago
-
RE: Towns water feed to air source heat pump system
The DHW circuit cant be separated (well it could, you c...
By JamesPa , 20 hours ago
-
Solis AC-coupled 3kW storage inverter
Solis AC-coupled 3kW storage inverterPylontech batterie...
By MartinRobinson , 1 day ago
-
RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer
As @transparent has observed above, this is not bad, an...
By cathodeRay , 1 day ago
-
RE: The Grid Says Yes.. Until It Doesn’t: Why Britain's Net Zero Push is Stalling at the Plug Socket
As I was reading this article Mars, I was thinking that...
By Toodles , 2 days ago
-
RE: Tell us about your Solar (PV) setup
Installed in May 2011: 16*Sharp 245 W monocrystalline p...
By txmartyn , 2 days ago
-
-
RE: Say hello and introduce yourself
That doesn't sound 'right' to me. The national Smart ...
By Transparent , 3 days ago
-
RE: Growatt battery disconnected
I doubt this will happen, but I will try and suggest it...
By Eliuccio , 3 days ago
-
Understood. That's why I decided from the outset on a ...
By JamesPa , 4 days ago
-
RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
On the litigation, I would not go there and definitely ...
By Batpred , 4 days ago
-
RE: Recommended home battery inverters + regulatory matters - help requested
I suppose if your pv inverter packs up, you have a plan...
By Batpred , 4 days ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Firstly check you are using sound power not sound press...
By JamesPa , 4 days ago
