Certification is third-party verification that an individual possesses the knowledge, skills and abilities to do a job. ICB-certified contractors and technicians operate in accord with rigorous guidelines, including a quality assurance program and a customer complaint process, that are second to none. Trained, skilled and certified professionals are recognized as the most competent, reliable and qualified in the heating, ventilation and air conditioning (HVAC) industry.

Types of certifications to look for in an HVAC professional or contractor include: