Oklahoma State HVACR Limited Contractors Course

Oklahoma State HVACR Limited Contractor - Online Exam Prep Course

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What our 40+ hour State HVACR Limited Exam Prep includes:

  • Highlight & Tab locations for all of the references books
  • 1 hour test taking techniques lesson
  • Book Overview videos
  • Practice Exams with over 1,000 Practice Questions
  • Hours of Instructional Videos


Tests a candidates knowledge of the installation, maintenance, repair, fabrication, alteration or extension of air conditioning, refrigeration, heating, and ventilation, including ductwork, within a complete system limited to twenty-five tons cooling and five-hundred thousand BTU heating, and related appurtenances, apparatus, piping vessels, ducts and insulation.

Reference List

  1. Mathematics for Plumbers and Pipefitters 8th Edition
  2. Modern Refrigeration and Air Conditioning, 18th ed
  3. Manual J Residential Load Calculation 8th Edition
  4. ACCA Duct Calculation Slide Rule
  5. OSHA 29 CFR 1926 Construction Industry Regulations
  6. 2015 International Fuel & Gas Code
  7. 2015 International Mechanical Code

1 Exam Prep Info

Our online Oklahoma Contractors' exam preparation lets you study frequently and is helpful for reinforcing the lessons of our exam preparation guidelines. Our courses are updated often to get you the latest information available for your Oklahoma State HVACR contractor license exam.