The Lennox/Armstrong products are for residential and commercial use, which includes air conditioners (HSX19), furnaces (gas and oil), water and steam boilers (gas and oil fired), and heat pumps (packaged and unit). It also includes products such as, zoning systems, in-home air testing monitors, ventilation control systems, and humidifiers. rn
The Lennox/Armstrong products are for residential and commercial use, which includes air conditioners (HSX19), furnaces (gas and oil), water and steam boilers (gas and oil fired), and heat pumps (packaged and unit). It also includes products such as, zoning systems, in-home air testing monitors, ventilation control systems, and humidifiers. rn
