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McMillen Heating and Cooling demonstrates strong performance across installation quality and technician knowledge, with multiple reviewers noting prompt same-day or next-day service, professional installation completion, and technicians providing thorough system explanations and troubleshooting guidance. The contractor shows reliable responsiveness to emergency calls and flexibility with scheduling changes, with customers consistently reporting satisfaction with equipment placement, system testing, and post-installation cleanup.
Based on Google reviews
About the Contractor
McMillen Heating & Cooling LLC has served Dover and Tuscarawas County from their 100 South Tuscarawas Avenue location since 1971. The BBB-accredited company offers a full range of HVAC services including geothermal heat pump installation, air conditioning, heating, heat pumps, and mini-split systems for residential and commercial customers. McMillen is an authorized WaterFurnace dealer, enabling geothermal ground-source installations throughout the Tuscarawas Valley area. The company maintains a 5.0-star Google rating across 21 reviews, reflecting consistent quality and customer satisfaction. Business hours are Monday through Friday 8 AM to 4 PM.
Verified active operator per https://www.mcmillenheatingandcooling.com/ + https://www.bbb.org/us/oh/dover/profile/heating-and-air-conditioning/mcmillen-heating-cooling-llc-0282-3001828 (Ohio audit 2026-05-30)
No differentiating information is available from the provided data.
Service Details
schedule
Years in Business
54 years
factory
Brands Installed
WaterFurnace
water_drop
WaterFurnace
Authorized Dealer
Regulatory Context
Geothermal Permitting in Ohio
Geothermal heat pump installations in Ohio require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.
Request a Quote from McMillen Heating & Cooling LLC
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If you need to reach McMillen Heating & Cooling LLC directly: (330) 343-0235
Geothermal heat pump installations in Ohio may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.
