In my opinion, those with air conditioning certification would need to drive a company truck with a commercial driver's license.
"Commercial
d
rivers
l
icense -
a
dditional
a
dmissions
r
equirements
Must be 18 years old (21 years old preferable)
¡
Persons under the age of 21 completing training and entering
the field of Commercial Driving will have fewer opportunities to
find employment in an interstate driving position. Those under
the age of 21 should consider employment options and discuss
possible employment opportunities with admissions personnel
prior to enrolling. Persons age 21 and older with no experience
may also experience employment limitations and should inquire
with admissions personnel regarding this issue prior to enrollment.
Must be able to meet the Department of Transportation (DOT)
physical requirements.
Must provide a current Motor Vehicle Report (MVR).
Must provide a state certified birth certificate.
Must have held a valid U.S. Drivers License for the past 36 mo
nths
Must never have had a DUI or DWI and/or refused to submit to an
alcohol test.
No felony convictions.
Must have a valid operators license.
Must submit to a finger printing background check.
Be drug free and consent to random drug testing.
Must be alcohol free during training and consent to random alcohol
testing.
Must be able to read, speak and understand the English language.
http://www.vatterott.edu/documents/catalogs/springfield.pdf