service

Niel from Mishawaka, IN

Great Service

John from Mishawaka, IN

Professional

Patricia from Mishawaka, IN

In 2007 Great Lakes installed & has since serviced my furnace & air conditioner with exceptional customer service by knowledgeable & thorough technicians. Their preferred customer maintenance program is worth its weight in gold. Highly recommend.

Seasonal service

David from Mishawaka, IN

Great service!

Marageret from Mishawaka, IN

Great Lakes service is dependable and the service personnel are people you can trust in your home.

Mrs smith

Kathryn from Mishawaka, IN

Excellent and professional tech

Very satisfied

Debbie from Mishawaka, IN

Professional

EFFICIENT SERVICE

Steve from Mishawaka, IN

Dan was right on time, courteous and completed our maintenance service promptly.

Service person arrived on time—was friendly and efficient

James from Mishawaka, IN

Always well trained and organized

Jan from Mishawaka, IN

I appreciate the explanations when repairs or replacements are needed.

Timely service

Thea from Mishawaka, IN

Great Lakes is Great.

Jeff from Mishawaka, IN

Casey, the service tech, was friendly and competent. What more can one ask of such services?

Nice experience

Bonnie from Mishawaka, IN

Great

Nancy from Mishawaka, IN

I have dealt with Great Lakes for over 20 years. They have never disappointed me. Always courteous & always there in a emergency. Today no difference.

Great service! Took care of all my concerns.

Steve from Mishawaka, IN

“Glad I got GL for replacing Furn And AC. Very comfortable in all weather and gas usage has declined.”