Trusted HVAC Care in the Heart of Monroe County
Looking for reliable heating and air conditioning in Bloomington, IN? You’ve found it. Bates Mechanical Heating & Cooling has been proudly serving this community since 1968 with expert service, local care, and real results. From cold winters to humid Indiana summers, we help homeowners stay comfortable year-round with professional HVAC installation, repairs, maintenance, and indoor air solutions.
Why Families Trust Bates Mechanical

We’re proud to be a Bryant Factory Authorized Dealer, bringing trusted performance and long-term value to every home.
Full-Service HVAC Solutions for Your Home
We provide complete residential heating and cooling services throughout Bloomington, including:
- Furnace and AC installation
- HVAC system repairs and diagnostics
- Preventative maintenance and tune-ups
- Heat pump installation and repair
- Indoor air quality evaluations and products
- Duct sealing and sanitizing
- Smart thermostats and zoning systems
Get Fast, Reliable HVAC Help
Right When You Need It
Need a system check? Ready to upgrade? Curious about your indoor air quality? We’re here to help with straightforward advice and professional service. Contact us today for HVAC Service in and around Bloomington, IN.