Computer software to aid the user in the selection or diagnostic of humidifiers, actuators, valves, heaters or controls; Electric actuators with rotary and linear motion for air or fluid carrying valves and dampers for use in industrial, commercial or residential Heating Ventilating and Air Conditioning (HVAC) appliances; Electric actuated valves carrying fluid (water or water and glycol or steam) for use in industrial, commercial or residential HVAC applications as well as installed in equip...