Qualifications. 5-10 years HVAC and duct work experience. Driver's license. Capable of lifting 50 lbs. to move equipment. NADCA ASCS certification preferred. Responsibilities. Perform air duct cleaning duties in accordance with company standards and procedures. Skills. HVAC experience: knowledge of heating, ventilation, air conditioning systems and a mechanical aptitude. Commercial hood and ventilation system cleaning. Note: This job description ...