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Refrigerant Recovery

Low refrigerant charge and the search for real data part 4

July 13, 2021

When we examined the pressure readings and vent temperature readings last week, there was nothing showing up that indicated any charge issues (even operating with the 25% undercharge).
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Low refrigerant charge and the search for real data

June 22, 2021

I had read about how low refrigerant charges could increase compressor operating temperatures and decrease the amount of oil flowing to compressors, but I had never been able to find results from any tests. After discussing this with MACS, we decided to do some testing to get some real data.
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Robinair sponsors free Section 609 test prep webinar and test for 500 technicians this summer

June 7, 2021

Robinair sponsors free Section 609 test prep webinar and test for 500 technicians this summer
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Tips for taking your mobile A/C system’s temperature

April 20, 2021

The contact type units do indeed have a high degree of accuracy, but precautions must be taken when using them (especially connecting to lines) to ensure the accuracy. Otherwise, it is possible to get readings that are easily 5° to 10° off and that can lead to an incorrect diagnosis.
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MACS upcoming training clinic, register today!

April 7, 2021

MACS will present Peter Orlando from CARQUEST Technical Institute for a Mobile A/C Service Essentials webinar. May 13
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Does the compressor contain oil?

March 17, 2021

A question that comes up frequently on A/C tech lines is: Does the compressor contain oil and if so, how much?
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Marks Air celebrates 50 years of mobile air success

March 16, 2021

MACS member Marks Air Inc. celebrates 50 years of being in business.
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Tank full of air!

March 15, 2021

The problem is usually caused by excessive air in a system, and since too few shops use a refrigerant identifier, they don’t know when these problems come up, nor how often they are solving problems by doing this.
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Helpful tips to register for MACS online training clinics

March 5, 2021

Helpful tips on how to register for a class on the MACS website
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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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