If you work for any of the thirty-two million businesses in the U-S, your office air may need cleaning.
Dirty H-VAC systems can be unpleasant, even dangerous for office workers; expensive for employers; and bad for the planet. Contaminants in the ductwork get recirculated and some forty percent of heating or cooling energy is wasted.
Getting the system inspected and professionally cleaned can be the solution.
To help, the National Air Duct Cleaners Association lists Certified Ventilation Inspectors and Air Systems Cleaning Specialists. Learn more at Breathing-Clean--dot--com.