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 19, 2026
@pash44pump Okay thanks for explaining. Must be a large property, I have 310sq.m and that takes just 10.5kW (I had been quoted two 12kW by a popular r...
@pash44pump So are you changing from a Midea HP to a Grant HP? What size is the property?
@ecoste From the graphs I wonder why its heating water DHW to 55C from midnight, is that when you want it super hot? Should take around 45 minutes to ...
@batalto Looks fine to me too, then I noticed the date! these old posts crop up too often then if you reply often get a message saying it was sorted s...
@springswood we install these nationwide and I have them in my own home. they are super efficient (nothing cheaper) and cost effective to purchase. Th...
The A2A would be mostly if not all free if you have so much PV and a large battery. Mine is most of the year. It'll be cheaper and far quicker to work...
@dowallydrifter Sounds like legionella cycle, normally on a Tuesday if the installer didn't change it. Turn the water off if not using it when away. T...
It'll bring on electric back up heaters if at 55C as they'll work quicker in the winter. Not sure about old ME units but Daikin had a 6 or 9kW back up...
We install mostly A2A for churches and village halls, often due to little use and quick heating required. They will always work out substantially chea...
@grahamf Okay, I assumed you'd had an answer from Grants, I've not come across a Grant HP with its own pump not stopping. Their tech support is good s...
This is often a problem when units are installed under a grant scheme. Some have two or three pumps running all the time! They should always be contro...
@batpred We run our aircon in the summer not just to keep fresh and have a pleasant indoor temperature, but to use up some of the spare energy we gene...
- 26 Forums
- 2,712 Topics
- 63.6 K Posts
- 449 Online
- 7,113 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Mitsubishi Ecodan FTC6 settings
Major and f1p - thanks for the very detailed replies. ...
By Clockworks , 12 minutes ago
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
By swwils , 1 hour ago
-
RE: Vaillant Arotherm Pro vs new Plus
One of the test modes in the installer menu forces it t...
By JamesPa , 14 hours ago
-
RE: Electricity price predictions
@toodles Didn’t happen with me on IOF once, and I was o...
By Papahuhu , 17 hours ago
-
RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 17 hours ago
-
RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
By Mars , 17 hours 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 , 18 hours ago
-
-
RE: Indevolt Batteries UK Support & Info Thread
It depends on how you configure it via the app. The ma...
By JamesPa , 19 hours ago
-
RE: Renewables & Heat Pumps in the News
Be interesting if this results in any wider changes to ...
By Jeff , 1 day ago
-
Heat Pump Fundamentals For Homeowners
Months in the making. Finally live. I've built an onlin...
By Mars , 2 days ago
-
If Reform were to win, I suspect that many of the AR7/8...
By Old_Scientist , 2 days ago



