York Commercial Package Units. Sunline product line, 20 ton roof top unit. Full install from start to finish.
Commercial Roof Top Unit Air Conditioner
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About Author
Frank Alexander
Frank Alexander is an experienced engineering professional who holds a Master of Engineering degree from North Carolina State University and an MBA from the University of South Carolina. Frank holds licenses in both residential and commercial HVAC, and holds a limited electrical license. Frank is also NATE certified.