Source 1, the aftermarket arm for the residential HVAC brands marketed by Johnson Controls, is now offering IAQ products for all of Johnson Controls' unitary product brands: York, Luxaire, Coleman, and Source 1. The Source 1 Elite Steam Humidifier offers 120V and 230V, and multiple installation options, a self-contained immersed electrode design, an LCD display with a numerical and icon-driven menu, constant control monitoring and diagnostics, and a digital automatic humidistat to deliver pure sterile steam to provide premium IAQ. Visit for additional information.