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The following references are recommended to study for the Arizona C-39R Warm Air Heating, Evaporative Cooling and Ventilating (Residential) and L-58 Comfort Heating, Ventilating and Evaporative Cooling (Commercial)Exam. This examination is used to obtain a Arizona C-39R Warm Air Heating, Evaporative Cooling and Ventilating (Residential) and L-58 Comfort Heating, Ventilating and Evaporative Cooling (Commercial)License. Also to become a licensed contractor in Arizona, candidates will also need to pass a business and management exam.
Only the following refe…
Modern Refrigeration and Air Conditioning, 21st Edition$193.99
Modern Refrigeration and Air Conditioning is the HVACR standard for a new generation of learner. It correlates to HVAC Excellence and PAHRA accreditation requirements to ensure complete coverage that prepares students for career success.
Manual D – Residential Duct Systems$89.99
Design a residential duct system in less time with the streamlined Manual D duct procedure. The newly released Manual D has been significantly revised to include:
- Updated and expanded VAV guidance, with detailed examples.
- Impacts of excess length, sag and compression in flexible ducts.
- New equivalent length values for flex duct junction boxes.
ACCA Ductulator – Duct Calculation Slide Rule$54.99
One of our most popular catalog items! This durable two-sided plastic sizing wheel comes with a complete instruction manual for residential and commercial duct-sizing procedures. Designed by Hank Rutkowski.
Manual J Residential Load Calculation (8th Ed.)$151.99
MJ8 produces equipment sizing loads for single-family-detached homes, small multi-unit structures, condominiums, town houses and manufactured homes. This new version incorporates complete MJ8-AE volume in a user friendly format.
2009 International Fuel Gas Code$82.99
Addresses the design and installation of fuel gas systems and gas-fired appliances through requirements that emphasize performance.