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“Balancing” oil balancing

February 23, 2021

What should we do if performing an oil balance and only 1/4 oz of oil drains from the original compressor
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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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Fix it correctly the first time

February 15, 2021

A cooling system classroom lesson By Christopher J. Holley, MACS Contributing Editor A 2017 Accord with an overheating 2.4L engine arrived at our college lab. The customer had a limited...
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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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Compressor Oil: When is it enough?

February 9, 2021

But how do we know that a system has the correct amount in it to start with?
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Celebrating the 30th anniversary of the clean air act

November 18, 2020

By Steve Schaeber, MACS manager of service training It was 2:30 in the afternoon on Friday, November 15, 1991. politicians and media met in the East Room at the White...
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Proceeding with caution

November 6, 2020

As essential businesses, most of us have been up and running through the outset of the COVID-19 pandemic, continuing through today, eight months later. We have adapted to the new...
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How do I obtain a copy of my MACS or IMACA Section 609 credentials?

October 22, 2020

Section 609 certification credentials are good for life. This means they do not expire. If you were Section 609 certified and obtained your credentials from MACS or IMACA and have...
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Spend some time with MACS president and coo Elvis Hoffpauir

July 24, 2020

Hello, and Welcome to MACS Worldwide’s YouTube Channel. We’re glad you’re here! Elvis Hoffpauir Pioneer Experience MACS History! Elvis Hoffpauir, MACS president and chief operating officer, was presented with a...
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