NADCA HVAC certification credentials training

National Air Duct Cleaners Association aka NADCA the HVAC Inspection, maintenance and restoration association requires its member companies to have at-least one certified air systems cleaning specialist on staff. This makes sure that all the cleaning is performed in accordance with NADCA guidelines. NADCA currently offers the following list of certifications: 1) NADCA Certified Air Systems Cleaning Specialist aka ASCS This tests the knowledge and skills needed to become successful in HVAC inspection, maintanance and restoration industry The topics covered includes indoor air quality, safety, mechanical, field experience and the ability to apply this knowledge correctly Here are some sample practice test questions from nadca 1. According to the NADCA ACR Standard, it is recommended that HVAC systems in healthcare facilities should be visually inspected for cleanliness at a minimum inspection interval of A. 1 year. B. 6 months. C. 2 years. D. 2.5 years Answer : a 2. What components would an ASCS expect to find in a fan coil unit? A. Diffuser, damper and grill B. Blower, coil and filter C. Blower, valve and filter D. Damper, compressor and evaporator coil Answer : b 3. According to SMACNA Duct Cleanliness for New Construction Guidelines, how many general levels of cleanliness are recommended for typical duct installations? A. One B. Two C. Three D. Four Answer : c 4. According to the NADCA ACR Standard, it is recommended that porous materials with biological growth be A. treated. B. removed. C. vacuumed. D. encapsulated Answer : b 5. To be considered clean by the NADCA Vacuum Test, the net weight of the debris calibrated on the filter media must not exceed: A. 0.75 mg/100 cm2 B. 0.85 mg/100 cm2 C. 1.00 mg/100 cm2 D. 1.02 mg/100 cm2 Answer : a 2) NADCA Certified Ventilation Inspector aka CVI This exam tests the knowledge and skill needed for successful HVAC systems inspector CVI undergo training on environmental protection agency I-BEAM program The i-beam program provides structured inspection protocol CVI certification is valid for three years. It expires on July 1st of third year How do I renew CVI certification? This can be easily availed online and is the only option from NADCA now