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: Jun 26, 2026
@hughf refrigerant charge quantity is critical. The best place to charge the unit is in the factory when built, where equipment is calibrated and cont...
I would use the ASHP for HW generation, as, even accounting for the fairly slow pre-heat time when the flow through the ASHP cools a bit before warmin...
"He's got heat meters fixed to the pipework. Room temperature monitors" @mjr they got thrown under the BUS. The current BUS scheme requires no energ...
@andris EPCs can be a load of rubbish, my EPC when I was heating by oil rated my main heating and hot water was 'average' with a boiler that was 80% e...
@marvinator80 sounds all good. Pleased it has gone well. My wallet-busting 260kWh consumption last week was offset a little by a decent 60kWh solar PV...
@derek-m good point. I had an iboost fitted 6 months ago. More recently had a 6.5kWh Growatt battery fitted to my Solar PV. I have found that charging...
ASHP running costs can go up massively when the average daily temperature drops near freezing, defrost cycles start kicking in, and the house heating ...
@marvinator80 if your Grant installer has used external 3rd party time clock for daily HW cycle and external 3rd party thermostat for CH control, they...
@marvinator80 great all is installed and running. I have set the cylinder stat to 50degC, which requires the ASHP to provide water at 55degC. It usual...
@parmstar Great, les us know how you get on. Piping on your circuit is simple enough, and with a hybrid bivalent system I can see the LLH being of ben...
Is it the radiator side of the LLH that's not reaching temperature? Or does the heat pump monitoring show it's not achieving 50degC supply temperature...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Comms and power cabling to outside unit
@jamespa Thanks James. I’ll see what they say. I alw...
By Papahuhu , 10 hours ago
-
RE: Vaillant Arotherm Pro vs new Plus
when our system was installed in September 2 years ago ...
By Judith , 10 hours ago
-
RE: Rate the quality of your heat pump design and installation
I had a Heat Geek lead install by Green Heat Norfolk. T...
By Orlando , 19 hours ago
-
+1 that works well If most of the thermal mass is in ...
By bobflux , 1 day ago
-
RE: Mitsubishi Ecodan FTC6 settings
While @F1p's dongles are great, the FTC can do this its...
By RobS , 1 day ago
-
RE: Samsung heat pump - data cable issue
If it's a data cable, current will be minuscule, voltag...
By bobflux , 1 day ago
-
RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
I got hit with an RHI audit in 2022. It was far from c...
By Abernyte , 2 days ago
-
RE: Electricity price predictions
@papahuhu Groucho Marx had something to say about no...
By Toodles , 2 days ago
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
By swwils , 2 days ago
-
RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 3 days ago
-
RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
By Mars , 3 days ago
-
Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
By Mars , 3 days ago
-
-
RE: Indevolt Batteries UK Support & Info Thread
It depends on how you configure it via the app. The ma...
By JamesPa , 3 days ago
SPONSORS
