High-quality HVAC services in the Greater Indianapolis area.
Trust our certified technicians to take care of all your heating and cooling needs.
Indy’s oldest heating & cooling company! Keeping Hoosiers comfortable since 1883.
The Evolution® System
It takes the Evolution® System to achieve comprehensive comfort. The Evolution system is an advanced communicating system, capable of delivering high-efficiency performance and total home comfort in both warm and cold conditions. With an Evolution system, fan speed and ventilation in your home. As a communicating system, it can even detect when your air filter needs to be replaced and when service is needed.Learn More
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 serviceCall 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.Learn More
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, INMore Testimonials