Bard 1.5 Ton (1 1/2 Ton) Wall Mount Heat Pump Units with Single Phase Power offer reliable year-round heating and cooling for modular offices, telecom shelters, portable classrooms, and specialty structures. These rugged 18,000 BTU USA-built systems operate on 208/230V single phase 60Hz power and use an efficient reversible refrigeration cycle to cool during the summer and heat during the winter. Featuring a bottom return and top discharge airflow design, Bard heat pumps save valuable indoor space and simplify maintenance access. Many models also include optional backup electric heat strips for emergency or supplemental heating when needed. Bard’s consistent wall opening sizing ensures easy replacements for older installations. Family owned and operated for over 30 years, we proudly provide fast shipping, honest pricing, and expert technical and warranty support.