About Us


Envirotest Systems Corp., a subsidiary of Envirotest Systems Holdings Corp., operates the Air Care Colorado emissions testing centers under contract to the State of Colorado. Envirotest Systems is a member of the Colorado Better Business Bureau.


Envirotest Systems' Air Care Colorado office

5175 Marshall St.
Arvada, Colorado 80002
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Telephone: 303-456-7000


For over 30 years, Environmental Systems Holdings Corp. has focused on one goal – providing the vehicle inspection and maintenance industry with state-of-the-art equipment and solutions for vehicle emissions programs throughout the world.


Envirotest's experience in supporting decentralized vehicle emissions programs (also called test-and-repair or garage programs) extends over 15 years, including providing referee and quality assurance services in both Alaska and California.


Envirotest performs a wide variety of emissions testing procedures ranging from simple idle-mode tests to enhanced procedures such as the acceleration simulation mode (ASM) and I/M 240 transient tests. Envirotest’s wholly-owned subsidiary, Remote Sensing Technologies, Inc. (RSTi), provides remote sensing equipment and monitoring services throughout the United States and abroad.

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©2015 Envirotest: Tel: 303-456-7000