Great Lakes Heating & Air Conditioning is a contractor based in Willoughby, Ohio, specializing in the service, installation, and repair of heating and air conditioning systems. They work with major brands and offer a range of products including air conditioning units, furnaces, boilers, air cleaners, humidifiers, and hot water tanks. Their expertise extends to duct cleaning and safety services, making them a comprehensive choice for HVAC needs in the area.

Updated Sep 2026

Great Lakes Testing

Electricians & Electrical Contractors

📍 38323 Apollo Pkwy Ste 1, Willoughby, OH, 44094

📞 440-951-5890

🌐 greatlakestesting.com

Great Lakes Testing is an electrical contractor based in Willoughby, Ohio. The company specializes in electrical testing services. Recent activity suggests it is a viable option for local residents seeking electrical expertise.

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