Last seen: Oct 3, 2023
Thanks - that is very helpful. On reflection I'm pretty sure the installer was talking about expansion vessels being needed, and it's me that's got c...
Great thanks everyone, lots of food for thought. So the key takeaway is to not trust the nameplate capacity, and you have to size instead based arou...
My mistake with the Ecodan spec, I googled 11.2kw but the link opened a 6kw spec sheet! Thanks re the 1.25>1.5x sizing rule of thumb, sounds li...
- 21 Forums
- 1,962 Topics
- 42.6 K Posts
- 51 Online
- 2,278 Members
Join Us!
Heat Pump Dramas?
Thinking about installing a heat pump but unsure where to start? Already have one but it’s not performing as expected? Or are you locked in a frustrating dispute with an installer or manufacturer? We’re here to help.
✅ Pre-Installation Planning
✅ Post-Installation Troubleshooting
✅ Performance Optimisation
✅ Complaint Support (Manufacturer & Installer)
Latest Posts
-
RE: What is the best strategy for operating a very oversized heat pump?
I have to agree that in many cases ToU tarrifs will dom...
By JamesPa , 5 minutes ago
-
RE: Setback savings - fact or fiction?
Here's the same plot, less the R squared values, done q...
By cathodeRay , 42 minutes ago
-
RE: SolarPV tables / online calculator
We've only had our solar since last June, but so far fo...
By Old_Scientist , 51 minutes ago
-
@jamespa thanks, it's way off of the MCS performance es...
By big_si , 1 hour ago
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@jamespa Agreed. I think it’s a case of much over muchn...
By Mars , 3 hours ago
-
@eliuccio Unfortunately, whilst I agree with a lot of...
By JamesPa , 4 hours ago
-
RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
@bami I think if the heat loss documentation matches a ...
By bontwoody , 4 hours ago
-
RE: Samsung Gen 7 R290 12kW is not behaving how I expected
Definitely its in the 20xx FSVs. Conversely it may be...
By JamesPa , 5 hours ago
-
RE: Towel rails. An unexpected final hurdle
We have both Normal Rad for heating the room and then a...
By IRMartini , 7 hours ago
-
RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 9 hours ago
-
RE: F.788 Building circuit pump reports internal fault - Vaillant Arotherm
Guess I have to wait for engineer visit. I really hope ...
By jeegnesh , 23 hours ago
-
RE: Act now to defer the UK road tax increase on EVs
@majordennisbloodnok Damn right sir. my attempt at iron...
By Jancold , 1 day ago
-
RE: ASHP and heating issues in new build house
That’s good gives you more capacity. It made me think, ...
By Terry1812 , 1 day ago
-
RE: Seewet manhole cover within r290 exclusion zone
Thanks! I asked Vaillant, and they say I should be fi...
By dbrb2 , 1 day ago
-
Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
I'm running my Aerona 3 on WC and the 'warm end of that...
By damonc , 1 day ago
-
RE: Do I just go with the lowest quote for my heat pump?
So after signing in Sept in two weeks the install may s...
By Jancold , 1 day ago
-
RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
When you are renovating is always a good time, as it ma...
By JamesPa , 1 day ago
-
RE: Just one room not reaching desired temperature
Looks like this issue is now resolved. Aira installed a...
By ChandyKris , 1 day ago
-
RE: Say hello and introduce yourself
Good point @jamespa But that probably strengthens @ch...
By Transparent , 2 days ago
Latest Topics
-
Heat Pump Sizing & Installation Costs
By Mars 11 hours ago
-
Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 12 hours ago
-
SolarPV tables / online calculator
By MichelleC 19 hours ago
-
By Toodles 2 days ago