Last seen: Feb 20, 2025
External wall insulation (EWI) is generally thought to be better than Internal wall insulation (IWI) because it keeeps the thermal mass of the walls w...
Using the curve in the Viessmann guide you can see that the resistance at 140°C is about 0.5. So Rt/R25 is 0.025. You can then look at your 17 curves ...
I'm sorry but I did ask: "If anybody knows of a dictionary or other reference, or any computing-related academic paper, that use the hypothetical 'pro...
Again do you know of any actual usage?
I asked and apparently Turing didn't publish anything on computing after 1950, so how he spelled program is irrelevant to an agreement that was made (...
Maybe I wasn't clear, but the decision of the meeting was reported in the preface of the book which I quoted as an image. FWIW, both the Cambridge dic...
It turned out to be quite an interesting question. Two aspects. First the English spelling was program from its Latin and Greek roots until Victoria...
I agree. I've yet to encounter an "app" that was They all seem to suffer from bugs and fairly poor support. BTW, it is computer programs; programme...
I can believe that a car charger will be an ESA, but I don't think an actual car is. And I don't use the timing facilities in my charger, I use those ...
Just to note that the closing date for the consultation has been changed to the 21 June from today 11 June. (edited to correct typo in date)
Err, I think BST (used in summer) is one hour in advance of UTC as is CET (used in winter). GMT (used in winter) is the same as UTC and CEST (used in ...
Yes, I know about U & R values. That's exactly why I'm asking! U = 1.68 W/m² K => R = 0.595 m²K/W U = 2.78 W/m² K => R = 0.360 m²K/W 0...
- 21 Forums
- 1,962 Topics
- 42.6 K Posts
- 46 Online
- 2,275 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: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
It's INSANE how wrong they have the sizing (and even sh...
By BAMi , 15 minutes ago
-
RE: Towel rails. An unexpected final hurdle. Resolved
@jamespa Solved thanks to your help. I found a ladder t...
By Davesoa , 15 minutes ago
-
RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 1 hour ago
-
RE: What is the best strategy for operating a very oversized heat pump?
Something else... that works for some people... LG ha...
By Tim441 , 1 hour ago
-
RE: Setback savings - fact or fiction?
@cathoderay I see you are continuing to misquote from t...
By SUNandAIR , 3 hours ago
-
RE: Samsung Gen 7 R290 12kW is not behaving how I expected
So I turned my thermostats down last night And w...
By Joshua , 3 hours ago
-
RE: SolarPV tables / online calculator
I'd be interested what others find whilst using that we...
By Majordennisbloodnok , 3 hours ago
-
Volumisers in Heat Pump Systems: Does Placement Matter?
The debate over buffer tanks in heat pump systems has b...
By Mars , 4 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 , 15 hours ago
-
RE: Act now to defer the UK road tax increase on EVs
@majordennisbloodnok Damn right sir. my attempt at iron...
By Jancold , 18 hours ago
-
RE: ASHP and heating issues in new build house
That’s good gives you more capacity. It made me think, ...
By Terry1812 , 20 hours ago
-
RE: Seewet manhole cover within r290 exclusion zone
Thanks! I asked Vaillant, and they say I should be fi...
By dbrb2 , 22 hours 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 , 23 hours 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
-
There have been several people on the OpenEnergyMonitor...
By RobS , 2 days ago
-
RE: Say hello and introduce yourself
Good point @jamespa But that probably strengthens @ch...
By Transparent , 2 days ago
-
RE: Visit a Heat Pump sessions.
Congratulations @toodles, that's a fantastic result. We...
By Old_Scientist , 2 days ago
Latest Topics
-
Heat Pump Sizing & Installation Costs
By Mars 4 hours ago
-
Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 4 hours ago
-
SolarPV tables / online calculator
By MichelleC 11 hours ago
-
Samsung Gen 7 R290 12kW is not behaving how I expected
By Joshua 23 hours ago
-
By Toodles 2 days ago