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Let everyone know you are Section 609 certified

February 22, 2021

New Section 609 work t-shirts in black featuring the new MACS logo.
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Caveman to Mr. Cool

February 18, 2021

Over 300,000 years ago, modern man began walking the earth relying heavily on his five senses-- especially sight – to hunt, find joy, and avoid danger. In 1914, Garrett Morgan, who decided it was important to protect man’s eyes during hazardous situations, developed what we know today as ‘safety’ glasses.
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A Change in Temperature

February 10, 2021

Using a contact thermometer, they quickly discovered 50° on the suction line at the expansion valve, and down at the compressor it read 96°. Along any length of hose or tube, there should be very little change in temperature.
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MACS Board of Directors Elects 2021 Officers

February 8, 2021

The board of directors of the Mobile Air Climate Systems Association (MACS) met virtually Friday, February 5, 2021, and elected officers for the year. Andy Fiffick of Rad Air Complete...
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Stop by macsmobileairclimate.org for a visit

February 5, 2021

Visit MACS at macsmobileairclimate.org
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Doing the repair right

February 4, 2021

By Richard Hawkins, MACS Contributor The focus in the two previous weeks articles on the Chevy Tahoe was on what went wrong and what should have been done to correct...
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The beginning of a New year, new MACS!

February 1, 2021

The Mobile Air Conditioning Society has rebranded to become the Mobile Air Climate Systems Association (MACS). During a year-long project, the MACS board and staff worked with the Blue Door...
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Tales from the helpline: When they don’t know, what they don’t know!

January 26, 2021

By Richard Hawkins, MACS Technical Contributor Last week, my topic of discussion for the MACS blog was a tech call about an A/C system which was plagued by a huge...
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MACS announces new 2021 Training Event and Trade Show Dates

January 25, 2021

The MACS 2021 Training Event and Trade Show will take place Thursday, September 30 through Saturday, October 2, 2021 at the Rosen Centre Hotel and Convention Center in Orlando, Florida....
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How much compressor oil is too much?

January 19, 2021

By Richard Hawkins, MACS Technical Contributor A lot of interesting calls are encountered when working on an A/C tech help line and a large percentage of them involve lubrication issues...
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