Hospitals and health care facilities have been using UV light for years to keep instruments sterile and to kill germs, but using ultraviolet lights in hvac ductwork to improve indoor air quality is still a relatively new concept — especially when it comes to residential applications. However, it may be an idea whose time has come.
Dust Free Inc., Royse City, TX, began seriously working on UV lights as an IAQ enhancement in 1997, according to Greg Burnett. But the company had many questions about how safe and effective this technology would be for treating indoor air, and it didn’t want to forge ahead without sound answers.