AEROSONICS

Noise control ventilating ducts of made of metal; Metal structural members for noise insulated rooms, namely, panels, connecting corners and joints, doors, and windows

Air-conditioning apparatus, and replacement parts and fittings therefor

Printed matter-namely, data sheets, technical bulletins and reproductions of drawings, relating to noise control and acoustics

Architectural acoustic products, namely, sound attenuators and diffusers, and prefabricated sound elimination ducts which eliminate noise from air conditioning and ventilating systems; sound absorptive materials for soundproofing of buildings and rooms, parts and fittings therefor; acoustic-thermal insulated housings for air handling equipment and plenums

Custom building of air conditioning apparatus and sound attenuators and diffusers

Technical support services, namely, troubleshooting in the nature of diagnosing problems with air conditioning apparatus and sound attenuators and diffusers