198B.689 Citation of KRS 198B.650 to 198B.689. KRS 198B.650 to 198B.689 may be cited as the Heating, Ventilation, and Air Conditioning Contractors' Act. Effective: July 15, 1994 History: Created 1994 Ky. Acts ch. 59, sec. 21, effective July 15, 1994.