installations and apparatus all for cooling, drying, heating, refrigerating, freezing and ventilating; air conditioning units and systems, air distribution systems, air cleaners, air fresheners, humidifiers, dehumidifiers, air purifiers and air filtration sytems; refrigerated storage and display cabinets; air filters for ventilating systems and air conditioning systems, electric window fans, ceiling fans, ventilating fans and blowers for commercial and industrial use; parts and fittings for a...

consulting services in connection with interior air quality evaluation monitoring and remediation in buildings and structures

indoor air cleaning devices, including all types of air filters for removing airborne contaminants, air to air exchange and energy recovery systems, indoor air sampling and testing systems, indoor air quality diagnostic and monitoring systems, indoor air quality mitigation systems, ventilation systems, indoor particulate diagnostic and removal systems, volatile organic compound diagnostic and removal systems, equipment for improving air qualtiy, flow or transfer, and any and all source remova...