With over 125 years of experience in gas heating and air conditioning, Nortek Global HVAC manufactures a wide range of indust ... rial and commercial HVAC products under the Reznor® brand. Founded in 1888 in Pennsylvania, the company formerly known as Reznor is a global leader, attained by being at the forefront of HVAC technology, thanks to its innovative solutions for heating, ventilation, cooling and air conditioning incorporated in its extended range of gas fired air heaters, air handling units, condensing units and rooftop units. Today Reznor is part of Nortek Global HVAC. read more