PLEINAIR

Heating, ventilating and air conditioning (HVAC) control systems, namely, thermostats, air handling damper controls, and electric damper actuators

Heating, ventilating and air conditioning (HVAC) equipment and components, namely, air diffusers, ventilation grilles and heat registers, air valves, variable air volume (VAV) damper valves, fan powered electrical and hot water heaters and coolers, and electric bypass ventilating fans