Sterling Nexus 200,000 BTU High Efficiency Natural Gas Unit Heater

Sterling's Nexus Unit Heater Series boast unmatched levels of unit heater efficiency. It leads the industry with its up to 99% thermal efficiency and utilizes state-of-the-art innovations, such as a tri-metal stainless steel heat exchanger and a proprietary combustion control system. The Nexus series also claims the title of the most environmentally friendly unit heater with its low emissions, fuel utilization, and a reduced carbon footprint. Features BTUs: 200,000 Dual Motors Stainless Steel Construction Auto-Adjusts to Altitude SafeSense Emergency Shut-Off for Blocked Inlets and Flues Indoor Air Reset Technology that Learns Building Heating Needs Outdoor Air Rest Technology that Adjusts to Outside Temperatures 10-Year Warranty