Installation & Repair: Install, service, refurbish, and preventively maintain HVAC and refrigeration equipment, including compressors, condensers, chillers, boilers, cooling towers, heat pumps, packaged AC units, and related controls. · Ability to understand and follow directions, to work from blueprints and sketches; to maintain proper heating, ventilation, and air conditioning levels; to diagnose malfunctioning units; to maintain records; and to communicate effectively.