Gundlach Sheet Metal Works Inc. is a family-owned commercial AC contractor serving Sandusky, OH, and the surrounding North Coast region since 1889. As a Carrier Factory Authorized Dealer and recipient of the Carrier Presidential Award and Dealer Hall of Fame recognition, Gundlach brings award-winning expertise to every project. Services include commercial and industrial HVAC, refrigeration, custom sheet metal fabrication, indoor air quality, and plumbing. Businesses across Erie, Ottawa, Huron, and Sandusky Counties trust Gundlach for reliable, precision-driven results. Call now to request a free estimate.