National Comfort Institute
Professional Training and CoachingOhio, United States11-50 Employees
National Comfort Institute (NCI) is a national professional training and membership organization focused on elevating HVAC and building performance contracting. It emphasizes true system performance in residential and light commercial forced air and hot water systems, promoting a concept it calls Performance-Based Contracting as the foundation for improving contractors’ operations and customer outcomes. The organization provides specialized courses in system performance, air balancing, and CO/combustion analysis, aiming to shift how contractors design, install, and service systems and how they address safety and efficiency concerns for occupants. Based in Sheffield Lake, Ohio, NCI serves HVAC and building performance professionals, offering training and support services to help them deliver measurable improvements in comfort and safety. The company positions itself within the professional training and coaching segment of the industry, highlighting a long-running track record of training thousands of contractors and hosting industry events such as the High-Performance HVAC Summit and annual summits, with recent activity noted at major trade events.