Bard 3 Ton Wall Mount Heat Pump Units with Single Phase Power deliver dependable, year-round heating and cooling for larger modular buildings, telecom shelters, portable classrooms, and light commercial facilities. These rugged, USA-built 36,000 BTU self-contained systems operate on 208/230V single phase 60Hz power and use a reversible refrigeration cycle for efficient operation across seasons. With a bottom return and top discharge airflow configuration, Bard units are designed to maximize usable space and simplify maintenance. Many models are also available with optional backup electric heat strips to enhance heating during extreme cold weather. Thanks to Bard’s consistent wall opening sizing, replacing older units is fast and cost-effective. Family owned and operated for over 30 years, we proudly offer fast shipping, fair pricing, and expert technical and warranty support.