McMillen Heating & Cooling, LLC

McMillen Heating & Cooling, LLC has operated from Dover, Ohio for more than 55 years as a licensed HVAC contractor serving Tuscarawas County and surrounding communities including New Philadelphia, Uhrichsville, and Sugarcreek. The company holds a perfect 5.0-star rating from 21 verified customer reviews, reflecting decades of consistent service to homeowners and businesses throughout the region. Their team of licensed technicians provides heating, cooling, and indoor air quality solutions for both residential and commercial properties.

The contractor distinguishes itself through expertise in energy-efficient technology including mini-split systems, heat pumps, and geothermal units. McMillen offers building automation systems, advanced zoning solutions, and custom sheet metal fabrication for commercial and industrial clients across Tuscarawas County. Their preventative maintenance programs help extend system lifespans and reduce costly emergency repairs for customers who value long-term performance over quick fixes.

Customer reviews repeatedly highlight fast response times and knowledgeable technicians. Gary Carter installed a replacement furnace for a church after hours during the coldest part of winter, completing the work faster than expected. Mike was praised for his depth of industry knowledge when diagnosing complex heating issues. McKayla Evans received a same-day response within two hours despite living 45 minutes from Dover, and the technician correctly identified a gas supply issue rather than a furnace malfunction, explaining troubleshooting steps for future reference.