Illiana Heating & Air Conditioning
Home

Illiana Heating & Air Conditioning has been a trusted name in home and business comfort solutions since 1987. Proudly serving the communities of Lansing and Northwest Indiana, we specialize in creating reliable, energy-efficient heating and cooling systems that stand the test of time. Our commitment to quality workmanship and exceptional service has earned us national recognition as Residential Contractor of the Year and Best Contractor to Work For, honors that reflect both our technical excellence and the genuine care we extend to every customer.

At Illiana, our success is built on more than just great HVAC systems; it’s built on relationships. We believe that comfort starts with people, which is why we prioritize treating our employees and clients like family. Our team of highly trained technicians, installers, and support staff works with integrity, skill, and dedication to ensure each project exceeds expectations. Whether it’s a small residential repair or a large commercial installation, Illiana Heating & Air Conditioning is your partner in comfort, every season, every time.