Bard 3 Ton Straight Cool Single Phase 60Hz Wall Hung Units provide heavy-duty, reliable cooling for large modular buildings, telecom facilities, portable classrooms, and commercial modular applications. Built in the USA, these 36,000 BTU self-contained systems feature bottom return and top supply airflow, maximizing usable interior space and ensuring easy maintenance access. Designed for 208/230V single phase 60Hz power, Bard units are trusted for their rugged construction and long service life. Many models also offer optional backup electric heat strips for supplemental or emergency heating needs. Thanks to Bard’s commitment to consistent wall cutout dimensions, even today’s models fit older Bard openings from installations over 20 years ago. Family owned and operated for over 30 years, we proudly offer fast shipping, honest pricing, and expert technical and warranty support.