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Contractors State License Board9821 Business Park Drive
Sacramento, CA 95827
Phone (800) 321-CSLB
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General Info- Library
- C61 - Limited Specialty
- D62 - Air and Water Balancing
D62 - Air and Water Balancing Contractor
California Code of Regulations
Division 8, Title 16, Article 3. Classification
An air and water balancing contractor installs any device and performs any work related to providing a specified flow of air in all types of existing heating and cooling systems and/or related to providing a specified flow of water in water piping systems.