Mobile Air Conditioning Society Worldwide (MACS)

Lansdale, PA 19446


About Mobile Air Conditioning Society Worldwide (MACS)


225 South Broad St.
PO Box 88
Lansdale, PA 19446

More Info on Mobile Air Conditioning Society Worldwide (MACS)


2021 Its On!
Diagnostic & Repair

Registration opens for MACS 2021 Training Event and Trade Show

May 4, 2021
MACS is planning its 2021 Training Event with careful consideration to the current pandemic and is including safety and security measures as they move forward to create a valuable...
Macs Logo Scape
Industry News

MACS announces 2021 Training Event and Trade Show dates

Jan. 26, 2021
MACS 2021 Training Event and Trade Show is scheduled to take place September 30 through October 2.
Macs Logo
Industry News

MACS to reschedule 2021 Training Event and Trade Show

Dec. 17, 2020
MACS will be offering online training programs during 2021 with details to come soon.
Recognized for Best Use of Technology in a new product was the eCoolPark no-idle A/C system from Bergstrom.
Industry News

MACS recognizes best new products of 2020

Feb. 27, 2020
A panel of independent members of the aftermarket trade press chose three new products to be recognized.
Industry News

MACS 40th anniversary training event and trade show takes place in Nashville

Feb. 26, 2020
The event had over 700 attendees, 37 speakers, and 70 exhibitors.

Articles & News

Shop Equipment

The demand for A/C service is heating up

Dec. 4, 2017
It pays to educate yourself on current 1234yf protocol, as well as significant equipment updates.
Elliot Maras
Diagnostic & Repair

Changes in A/C systems challenge the aftermarket

Feb. 3, 2014
Newer HVAC systems last longer, altering the nature of today's repairs.
Elliot Maras
Shop Management

Refrigerant issues reinforce need for long-range business planning

March 5, 2013
Many shop owners express only a passing interest in the new HFO-1234yf refrigerant that will become mandatory in mobile air conditioning systems in 2017. Owners reason that by...
Shop Equipment

Big Changes For A/C Work Are Here

March 1, 2007
A/C season is approaching. Do you know what you to about J2788?

Videos & Resources

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Industry News

VIDEO: MACS Live Chat training session

June 3, 2020
This MACS Live Chat training session focuses on how the automotive industry can best utilize the digital platform in the wake of the COVID-19 pandemic.
Shop Equipment

MACS State of the Industry Report

Jan. 23, 2014
Report includes results of the first nationwide survey on mobile air conditioning systems in U.S. vehicle fleet in 10 years.
Ward Atkinson provides the results of the Field Service Survey during his State of the Industry Report presentation at the MACS Training Event and Trade Show at the New Orleans Sheraton..
Diagnostic & Repair

Mobile A/C innovation takes center stage at New Orleans Sheraton

Jan. 20, 2014
Shop owners, technicians and educators find A/C innovations for 2014 MACS training event and trade show.
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Shop Equipment

VSP News: Industry Insights, Episode 21 - MACS training event preview

Jan. 2, 2014
MACS's Steve Schaeber notes highlights of training event and trade show
Karl Mathis, left, of Ritchie Engineering shows a Yellow Jacket mobile flushing tool to Roger Smith of Truck Air Service in Columbus, Ga.
Diagnostic & Repair

Mobile Air Conditioning Society draws 1,250 to training event and trade show in Orlando, Fla.

Feb. 10, 2013
Automotive air conditioning repair shop owners network, learn and see new tools and equipment.


Marion J. Posen

VP Sales and Marketing

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All content from Mobile Air Conditioning Society Worldwide (MACS)

2020 B
Industry News

Registration is now open for MACS 2020 Training Event and Trade Show

Sept. 9, 2019
NASCAR driver David Starr will be the keynote speaker at the 2020 Training Event luncheon.
Macs Bootcamp
Employees & Training

MACS to host Automotive Software and Electronics Boot Camp with Dr. Mark Quarto

May 1, 2019
Learn relevant skills related to electronics, computer software writing, and coding.
MACS Worldwide
Industry News

MACS to host automotive software and electronics boot camp with Dr. Mark Quarto

April 16, 2019
Top auto repair shops need to learn relevant new skills related to electronics, computer software writing, and coding to tackle today's and tomorrow’s repair jobs.
Shop Equipment

MACS 2019 to offer 30 training sessions

Registration for the Anaheim, Calif. event focused on mobile A/C and heat transfer is open.
Industry News

Registration open for MACS 2019

Sept. 6, 2018
The MACS 2019 Training Event and Trade Show will be held February 21-23 at the Anaheim Marriott in Anaheim, Calif.
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Fluids & Chemicals

MACS 2018 Training Event brings 850 attendees

MACS 2019 Training Event and Trade Show will take place February 21-23 in Anaheim, CA.
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Employees & Training

Robinair and MACS Worldwide to provide Section 609 test prep webinar

Dec. 20, 2017
Free training and certification available for up to 125 technicians on January 24.
Fluids & Chemicals

MACS reminds aftermarket of new regulations for service and sale of refrigerant

Nov. 9, 2017
Starting Jan. 1, 2018, sale of most refrigerants of two pounds or larger will be restricted to 608 and 609- certified technicians. Distributors must keep sales records and verify...
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Chassis, Body & Cab

Registration now open for MACS 2017 Training Event and Trade Show

Aug. 31, 2016
The 2017 MACS Training Event theme is 'Mobile A/C: Global Service Horizons", exploring the new technologies influencing the role of mobile A/C systems in current and future vehicles...