08Aug
Some new regulations concerning the requirement of technicians to be Section 609 certified will be put into place on January 1, 2018. They are: The final rule published November 2016…
02Feb
By Steve Schaeber, MACS Technical Editor MACS has been keeping up with the roll-out of R-1234yf refrigerant for several years now, and as expected the 2017 model year has extended…
