Masterduct, Inc. www.masterduct.com
Masterflex Group www.masterflexGroup.com
Masterduct Brazil www.masterduct.com.br

• Formaldehyde-Free Flexible Duct Insulation:
      Johns Manville Flex-Glas PC http://www.jm-oem.com/files/pdf/AHS-426.pdf

• State Energy Codes:
      State Codes-DOE www.energycodes.gov

• Nationally Recognized Test Laboratories:
      OSHA  www.osha.gov/dts/otpca/nrtl

• Related Organizations:
      National Association of Homebuilders (NAHB) www.nahb.org
      Air Diffusion Council www.flexibleduct.org
      American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) www.ashrae.org
      National Insulation Association (NIA) www.insulation.org
      New Buildings Institute (NBI) www.newbuildings.org
      American Institute of Architects (AIA) www.aia.org
      Underwriters Laboratories www.ul.com
      HVAC Excellence www.hvacexcellence.org
      National Fire Protection Association (NFPA) www.nfpa.org 
     

• Online Magazines:
      Consulting - Specifying Engineer Magazine www.csemag.com
      SNIPS Magazine www.snipsmag.com
      HPAC Engineering Magazine www.hpac.com
      Air Conditioning Heating and Refrigeration News www.achrnews.com