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: Oct 6, 2026
@kev-m Well if im reading the graph on the right properly, its suggests that at all plotted ambient temps, the 11 kW heat pump has its highest COP at ...
@fazel Well thanks Random Internet Guy, good superhero name!
@fazel Just noticed your question on indoor temperature. I have the thermostat on the controller set to 23C in the hall area (we do like it warm, henc...
@fazel I dont mind at all! All help greatfully accepted 🙂 Is that Trystan? I havent had a cold day yet, so I will try and lodge the task in my brain...
@Derek M @JamesPa Thanks both for an interesting and illuminating discussion. By way of a practical example Ive attached my heat pump graph for yester...
@jamespa I sympathise James, the same arguments apply around the 'war on cars' once people get used to something, having something slightly less conve...
@iancalderbank lol maybe frogs have the right idea after all with respect to child care 🙂 Good point!
@Derek M I would just like to reiterate here that I am not a heat pump engineer and I don’t have an axe to grind about whether it is better to sligh...
While I dont disagree with you about being warm and having enough hot water Kev, most people also have to consider cost as an important factor. The p...
@iancalderbank Didnt know you were onIan, good idea putting it in your signature so I've 'borrowed' it 🙂
@squiff I have read in several places that it is better to slightly undersize a heat pump than oversize it as it improves efficiency. If you have lo...
@declan90 Just to clarify Declan, its the Mixergy App that doesnt see it, the Eddi App does. I also have an OpenEnergyMonitor system which I can highl...
- 27 Forums
- 2,784 Topics
- 65.7 K Posts
- 3,660 Online
- 7,187 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Renewable Heating Hub Homeowners' Q&A Podcast
What a day yesterday! Two podcasts recorded, brilliant ...
By Mars , 1 hour ago
-
Vaillant ecoTEC Plus with sensoCOMFORT and weather compensation
Powering up my new Vaillant which was installed earlier...
By trebor12345 , 1 hour ago
-
RE: Tesla Powerwall (2) Calibration Cycles
@davesoa I’m rather a Luddite, but when I was running I...
By Papahuhu , 2 hours ago
-
RE: Adding additional Solar Panels to a DC coupled battery system
I too use AI when researching online. It's able to co...
By Transparent , 8 hours ago
-
RE: Getting closer to a finished Haier system
Theres comprehensive instalation and service manuals (I...
By Singlespeed , 22 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
There is now a new Secretary of State for Energy Securi...
By Transparent , 22 hours ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Looks like an impressive bit of kit. Just ...
By Batpred , 23 hours ago
-
RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
The idealist in me says pioneers in this space should b...
By Batpred , 23 hours ago
-
RE: How should the Boiler Upgrade Scheme be reformed?
Ah, that makes sense when a combi is in place. The boil...
By Batpred , 2 days ago
-
RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
@bobflux Thanks, that gives me something to check the i...
By Paul1098 , 2 days ago
-
Over the years, due to the non barrier PEX underfloor h...
By bobflux , 3 days ago
-
RE: battery storage without solar
Indeed, current on the grid input = current used for ch...
By bobflux , 4 days ago
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu @papahuhu A lot of tears and sweat went into ...
By Andris , 4 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
We have the same problem, 12 mature trees clip the morn...
By Papahuhu , 5 days ago
-
RE: Solis inverters S6-EH1P: pros and cons and battery options
I had a battery and inverter installed a while ago, my ...
By Batpred , 5 days ago



