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R-454b Ashrae Class (updated 2025-03-13)

A Guide To R454B [upl. by Flosi]
Duration: 3:15
2.7K views | Oct 5, 2020
R410A Alternative Refrigerants Explained [upl. by Schurman]
Duration: 5:46
20.7K views | Mar 28, 2020
SuperTest Refrigerant Flammability Test [upl. by Ettenawtna]
Duration: 5:16
68.5K views | Mar 2, 2015
HVAC Ventilation Part 3 – Fresh Air Calculation ASHRAE 621 [upl. by Yeliak]
Duration: 7:01
34.8K views | Sep 29, 2020
Rooftop Units explained RTU working principle hvac [upl. by Justen]
Duration: 10:09
352K views | Sep 24, 2018
ebike phase wires and hall setup [upl. by Ahsas518]
Duration: 8:01
69.1K views | Nov 21, 2020
Introduction to Ventilation amp the latest ASHRAE 622 standards [upl. by Tnomel]
Duration: 1:10:34
15.2K views | Oct 1, 2016
Basics on reading a refrigerant PT chart [upl. by Brittany]
Duration: 2:47
16.7K views | Jan 2, 2019
R454b Will Be The New Refrigerant Of The Future Starting 2025 [upl. by Golub501]
Duration: 8:39
110.2K views | Sep 6, 2020
What is RS44b R453a Refrigerant and Should You Use It [upl. by Codel601]
Duration: 24:30
28.8K views | Jan 1, 2009
R454B Refrigerant Overview [upl. by Fugere541]
Duration: 8:18
1.5K views | 6 months ago
A2L Dissipation Controls [upl. by Marduk540]
Duration: 7:44
1.1K views | 2 months ago
The Truth About R454B [upl. by Eelsel927]
Duration: 3:35
97 views | 4 months ago
R454B Dedicated Air Handlers [upl. by Rhyner]
Duration: 1:19
675 views | 4 months ago
APR Control R454B Demo [upl. by Pritchard817]
Duration: 6:16
31.4K views | Jun 14, 2023
Introduction to R454B Refrigerant [upl. by Calendre297]
Duration: 4:49
685 views | 4 months ago
Carrier Puron Advance R454B [upl. by Rosenthal]
Duration: 16:12
845 views | 4 months ago
Selling the EL22KCV [upl. by Alegnave139]
Duration: 1:30
5.7K views | Jul 14, 2022
New Refrigerants R454B amp R32 [upl. by Atsyrhc]
Duration: 54:07
160 views | 4 months ago
R454B Dedicated Lennox Quantum Coil [upl. by Fanestil]
Duration: 0:57
160 views | 3 months ago
Rheem R454B Central AC Refrigerant 2025 [upl. by Asela]
Duration: 4:44
4K views | Jul 19, 2023
Carrier Puron Advance R454B Refrigerant [upl. by Cesar]
Duration: 2:06
379 views | 9 months ago
NEW A2L Refrigerants FLAMMABLE HAZARDOUS [upl. by Hayden739]
Duration: 7:10
13K views | Sep 28, 2022
Comparing refrigerants R454B vs R32 [upl. by Ahseniuq]
Duration: 2:38
68 views | 2 months ago





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