AN ACT relating to heating, ventilation, and air conditioning systems. Amend KRS 198B.650 to redefine "maintenance person or maintenance engineer" and "routine maintenance of heating, ventilation, and air conditioning;" amend KRS 198B.658 to eliminate the requirement of a minimum of five years' experience for out-of-state applicants; amend KRS 198B.678 to prohibit a master HVAC contractor from representing more than one firm, company, or corporation unless the contractor resides in Kentucky and has a minimum of 25% ownership in each firm, company, or corporation that the contractor represents; create a new section of KRS Chapter 198B and amend KRS 318.054 to allow HVAC and plumbing companies a 180-day interim period to operate their businesses if the master HVAC or master plumbing license holder of that company has died.