High-quality HVAC services in the Greater Indianapolis area.

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Indy’s oldest heating & cooling company! Keeping Hoosiers comfortable since 1883.

We Offer 24/7 Emergency Service

We have emergency service technicians available any time day or night, 365 days a year. When you call Thiele after hours for an emergency repair, you talk to the owner, not to a computer system. This ensures that you will get the prompt, efficient service

Call 317-943-8401

Locally & Family Owned

Thiele Heating & Air Conditioning has been keeping Hoosiers comfortable in their homes and businesses for 137 years. Our continuously-trained technicians have an average of 20+ years experience installing, repairing, and maintaining all types of heating and cooling equipment.

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The right people, doing the right thing, for the right reasons, every time.

“Your team did a fantastic job installing our new furnace and A/C System as well as fixing our ductwork system, originally installed by others. Thanks so much for going above and beyond our expectations! We appreciate the great work they did for us!”

– Brian S. Indianapolis, IN

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