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 7, 2026
@anne-smith Glad to hear you know the benefits and its working so well for you, we've been installing these for 30+ years (and A2W) They always work w...
Yes it will help, we use Mitsubishi Lossnay as the only units that work in conjunction with A2A ducted.
Hi I don't think you'd gain anything, the cost will be high even if DIY, you say 100mm cavity wall insulation, well that's great, its the first 25mm t...
@stevet I don't know who started the 'cycling' issue but its often not as people think. The off time is the important part, ramping up and down is nor...
@editor We come across about 4 leaks per year on sealed heat pump systems out of about 200 we see. This is why the service must be carried out by an F...
@downfield Washing the outside casing is your job but many engineers while cleaning the evaporator (essential) will also wipe over or spray the casing...
R290 minimum 1m away from drains and air bricks, .5m for widows/doors Electrical isolator same distance. Refrigerant volume in HPs from .8kg Tumble d...
@abam48 Did you go for this option and does it work well?
Oh Dear! that's appalling pipe work, should've been in trunking to start with, and ideally not go through the ground, such odd bends! The industrial b...
This has been delayed from what I believe to be this year originally. Doesn't affect anything at present until the cut off date and even then it makes...
There's many homes that would be quite a disruption for, looks good in photos and sounds good (and is, we've used them) but old skirting takes some re...
@old_scientist This does make the unit smaller as the box of tricks is indoors which is an option (online) and includes all but the pump. Midea howeve...
Latest Posts
-
RE: Estimating true heat loss from twelve months of consumption data
Hi @ian33a you could do your own heat loss calculation ...
By Judith , 5 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
@djh ah, I have never seen this before, interesting ide...
By ASHP-BOBBA , 5 hours ago
-
RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
By Judith , 6 hours ago
-
RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
By cathodeRay , 8 hours ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 8 hours ago
-
Current metrics - DHW target set to 47c
By TaffontheTaff , 13 hours ago
-
RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 15 hours ago
-
RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
By Broadsman , 17 hours ago
-
RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 20 hours ago
-
RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 20 hours ago
-
RE: Grant Aeona 3 R32 cycling with weather compensation.
That would be abnormal but I cant see from your charts ...
By JamesPa , 21 hours ago
-
RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 1 day ago
-
Heat geek have already stated that the pro is in fact c...
By JamesPa , 1 day ago
-
RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
By Deltona , 1 day ago
