Connecticut Limited Warm Air, Air Conditioning and Refrigeration (D-2) Online Exam Prep Tabs Include the following:
- 2021 International Mechanical Code
- NFPA 54: National Fuel Gas Code 2012 Edition
- 29 CFR OSHA 1926 Construction Industry Regulations & Standards
- Modern Refrigeration and Air Conditioning
- ACCA Ductulator – Duct Calculation Slide Rule
- HVAC Duct Construction Standards, Metal and Flexible – SMACNA
- NFPA 58: Liquefied Petroleum Gas Code, 2014 Edition




