Jerry Mannen is an instructor and department chair for the HVAC diploma program at Remington College in Memphis, Tenn. He has more than 40 years of experience in the HVAC industry, and has served as an HVAC instructor at various training facilities since 1983. He holds EPA universal certifications and received formal training in industrial manufacturing.
The best way to avoid costly HVAC system repairs is to perform regular preventive work, and, while most work is best left to the professionals, some things can be performed without the assistance of a service professional.
