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Koesterer Heating & Cooling
4262 State Route 162, Granite City, IL 62040 |

Contact Us Today in Granite City, Illinois


Discover Innovative Solutions

Save money with the energy-saving systems offered by Koesterer Heating & Cooling Inc in Granite City, IL. We specialize in HVAC hybrid system and ClimateMaster geothermal system installation, among other services. Able to efficiently power heat pumps and different types of furnaces, these hybrid systems offer long-term savings.

Contact Our Team Today

Koesterer Heating & Cooling Inc offers many ways for you to maximize your heating and cooling systems. We provide not only exceptional services and world-class products, but also cost-effective and energy-efficient solutions to your HVAC concerns. Whether you need us to install an air conditioner, repair a heating system, or answer a ventilation query, we have you covered. Contact us today and make us your partner in all your HVAC needs.

Hours of Operation:
Mon-Sun 12:00 AM - 12:00 AM

Payment Options: