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 24, 2026
Can you confirm: Does this model actually have an internal pump. Quite a few Mitsubishi models don't.
Stick to your guns (which I'm sure you will). Buffer tanks are, in most domestic cases, for the benefit of installers not homeowners. That being the...
ASHPs (and fossil boilers running at a low flow temperature or with weather compensation - rare in UK, common in more enlightened countries) supply at...
Wall mounted Aircon units are very common. Many ashps include instructions for wall mounting. Perfectly legit as long as the wall is strong enough a...
I have been told over a period of time by several people in the industry that ventilation loss is one of the major uncertainties in the standard sprea...
Thanks for that explanation which is very interesting. Btw I'm not advocating homely, just citing it as an example of a technology which (reputedly) ...
I don't doubt its feasible, however there is extra cost and (physical) volume. Many modern heat pumps are pushing the 0.6cu m permitted development l...
You are correct that ToU tarrifs, and more sophisticated tarrifs still, will further complicate the situation and exactly one of the things that Homel...
@majordennisbloodnok @davidalgarve @bontwoody @cathoderay @toodles @mikeh (and anyone else I have missed out) thanks for the good natured and producti...
Apart from the slur on engineers/physicists (I have a degree in physics and spent the first part of my working life in engineering), I agree with almo...
I agree with the first point entirely. As to 'do I have any evidence that money rather than comfort is the primary driver' then I would say yes some...
@bontwoody In truth it is a very widely held misconception, whether we are talking about boilers or heat pumps, that turning off the heating for (sa...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: New Build 3 Phase or 1Phase
@e-a-west Given that your new build is 144 sqm and that...
By Rob of York , 43 minutes ago
-
RE: How will removing the standing charge on gas bills benefit heat pumps?
I'm not sure it makes much of a difference to heat-pump...
By Temperature_Gradient , 12 hours ago
-
@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 13 hours ago
-
RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 14 hours ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 23 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 1 day ago
-
RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 2 days ago
-
@transparent we’re still running a secure version of PH...
By Mars , 2 days ago
-
RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 3 days ago
-
RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 3 days ago
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 3 days ago
-
RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 3 days ago
-
RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 3 days ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 3 days ago
SPONSORS
