• ACCA - Air Conditioning Contractors of Americ
• Air Conditioning Heating and Refrigeration News theNEWS
• Air Conditioning Today
• ANSI - American National Standards Institute
• ASHRAE - American Society of Heating, Refrigeration and A/C Engineers
• Contractor, The News Magazine of Mechanical Contracting
• Contracting Business Interactive
• HARDI - Heating, Airconditioning & Refrigeration Distributors International
• HAZMAT Office of Hazardous Materials Safety
• HVAC-Talk: Heating, Air & Refrigeration Discussion Group
• HVACR Business
• National Board of Boiler and Pressure Vessel Inspectors
  PlumbingNET Index of Plumbing Manufacturers
• MrHVAC.com - Free Manual J Short Form calculator, etc.
• Snips Magazine
• Supply House Times
• The Wholesaler
• TODAYS A/C & Refrigeration News
• UL - Underwriters Laboratories Inc.

We hope you find the following informative links helpful.

• FXConverter™: 164 Currency Converter
• The World Clock (current local times around the world)
• UPS Package Tracking