Applicants must have reliable transportation. Additional training and qualifications. Applicant must test and pass for EPA 608 Certification and test before the 90 day employment mark. The company will cover the cost of your test. Applicant must attend and pass the HVAC tune-up class within the first 30 days of employment. ERT-B is the growth position time frame; expectations for this position is 6 months to 1 year.