Skip to main content

Refrigerant Recovery

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.
Read Article >

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.
Read Article >

Gen 2 Ridgeline cools with R-1234yf

January 18, 2017

  By Steve Schaeber, MACS Technical Editor The 2017 Ridgeline is the second generation of Honda’s midsize pickup truck, redesigned and brought back in June 2016 following a short 2...
Read Article >

Meet a California success story, MACS member John Miller

June 4, 2013

The Air Shop 1351 E Borchard Ave Santa Ana, CA 92705-4412 (714) 285-0108 John began his mobile A/C career in May 1970, just back from a U.S. Army tour in...
Read Article >

Compressor Oil Fill

May 21, 2013

  (illustration: Sanden International) Richard Hawkins is a technical advisor at 1-800-Radiator. He recently told MACS about a question he received from one of the company’s franchise offices. I cringe...
Read Article >