Societies and organizations related to the HVAC industry...

ASHRAE: The American Society of Heating, Refrigeration and Air Conditioning Engineering, Inc.

               To visit the Niagara Frontier Chapter of ASHRAE's website, click here:  NFC-ASHRAE

ACCA: Air Conditioning Contractors Association

AMCA: Air Movement & Control Association

NEBB: National Environmental Balancing Bureau

NFPA: National Fire Protection Association Website

SMACNA: Sheet Metal and Air Conditioning Contractors' National Association

UL: Underwriters Laboratories

Piping News: Air duct calculators and other reference tools

Gauge and Weight Chart:  Gauge and Weight Chart for Sheet Steel, Galvanized Steel, Stainless Steel, and Aluminum