
As the belt turns
September 16, 2015
By Steve Schaeber, MACS Technical Editor Checking the Accessory Drive Belt System (ABDS) is one of the most basic preventative maintenance procedures we do as technicians. Most of the time,...Read Article >

Do you know how to cool a classic car?
September 1, 2015
Few have a better right to address “Cooling the Classics” than MACS Technical Advisor Ward Atkinson, who was the test and development engineer for the first production A/C system introduced...Read Article >

School bus A/C
August 31, 2015
By Steve Schaeber, MACS Technical Editor I recently had the chance to tour Rifled Air Conditioning in High Point, North Carolina, where they install new A/C systems into school buses....Read Article >

Military origins of popular civilian rides
August 6, 2015
By Keith Leonard, Esq. “Necessity is the mother of invention” is an idiom at least dating back to Plato in his seminal work, Republic, and meaning necessity gives rise to...Read Article >

Spray bottle test
August 4, 2015
By Steve Schaeber, MACS Technical Editor Replacing the accessory drive belt is one of those things that usually falls under the periodic maintenance category, and is something that technicians learn...Read Article >

He wrote the book…
July 21, 2015
Paul Weissler’s name is ubiquitous within MACS. He’s our senior technical correspondent and has been for the 35 years the Society has existed. His byline appears in literally hundreds of...Read Article >

A/C use and fuel efficiency, A MACS whitepaper
July 13, 2015
Does using your A/C system cause you to burn more fuel? MACS attempts to answer that question in the attached whitepaper. Free download. If you’re a service professional...Read Article >

EPA issues final rule prohibiting certain high-GWP HFCs as alternatives under SNAP
July 6, 2015
On July 2, 2015, the final rule Protection of Stratospheric Ozone: Change of Listing Status for Certain Substitutes under the Significant New Alternatives Policy Program was signed by EPA Administrator...Read Article >

What exactly goes on in a wind tunnel test?
July 1, 2015
T/CCI’s Wind Tunnel: Let’s test it! By Steve Schaeber, MACS Technical Editor One of MACS most unique mobile A/C training events was held on Friday, May 29th in Decatur,...Read Article >

The high voltage A/C oil cross contamination issue
June 25, 2015
What you can do to provide safe service with an existing SAE J2788 machine If you work on air conditioning, you’ve hopefully heard about the issues regarding high voltage compressors...Read Article >

Marks Air installs a new generation
June 16, 2015
If you receive an email from Gordon Marks of Marks Air in Tampa, Florida you’ll see his email signature includes the tag, “Yes! We’ve been doing this for OVER 44...Read Article >

The heat is on, play it safe!
June 10, 2015
The Mobile Air Conditioning Society (MACS) Worldwide would like to remind everyone of the dangers of leaving children or animals unattended in a parked car, particularly during the hot summer...Read Article >