Illiana Heating & Air Conditioning: Keeping Demotte, Indiana Comfortable for Decades

Illiana Heating & Air Conditioning has been a trusted name for HVAC services in Demotte, Indiana since 1987. This licensed, family-owned company provides heating and air conditioning solutions for homes and businesses across Northwest Indiana and the South Chicago suburbs. They focus on making every customer feel welcome and ensuring their indoor comfort year-round.

Business Overview

Illiana Heating & Air Conditioning serves both residential and commercial clients. Their team of experienced technicians is available for scheduled maintenance, repairs, and installations. While they operate during regular business hours, they understand that heating and cooling emergencies happen and work to address urgent needs promptly. The company is built on a foundation of reliability and personal service.

Key Services

Illiana Heating & Air Conditioning offers a full range of services to keep your home or business comfortable in every season.

• Heating & Cooling Systems: Installation, repair, and maintenance for furnaces, boilers, air conditioners, and ductless mini-split systems.
• Indoor Air Quality: Professional air duct cleaning and attic insulation services to improve airflow and efficiency.
• Advanced Solutions: Expertise in energy-efficient geothermal systems.
• Preventative Maintenance: Regular check-ups to help systems last longer and avoid costly breakdowns.
• Financial Flexibility: Financing options are available for new system installations and major repairs.

Areas Served

Illiana Heating & Air Conditioning proudly serves Demotte, IN and the surrounding communities, including Roselawn, Koontz Lake, Shorewood Forest, and the townships of Cedar Creek, Keener, West Creek, Boone, and Walker. Their deep local knowledge means they understand the specific HVAC needs of homes and buildings in our region, from older farmhouses to newer subdivisions.

Company History

Founded in 1987, Illiana Heating & Air Conditioning started with a simple goal: to provide honest, quality HVAC service to their neighbors. Over more than 35 years, they have grown from a small local operation into a respected regional provider, consistently adapting to new technologies while keeping their focus on customer care. Their long-term presence is a testament to their commitment to the community.

Leadership

As a Christian-owned and operated business, the leadership at Illiana Heating & Air Conditioning believes in treating every customer like family. The owners and founders have deep roots in the area, and their hands-on approach ensures that the company's values of integrity and hard work are reflected in every job. They are active in the local community and invested in its well-being.

Specialties & Highlights

• Voted "Best In The Region": Recognized two years in a row for outstanding service.
• Energy Efficiency Focus: They help customers save money with efficient systems and upgrades.
• Family-Oriented Service: A welcoming, Christian-owned business that treats clients as part of the Illiana family.
• No Job Too Big or Small: They handle everything from simple repairs to complete system installations.
• Geothermal Expertise: Specialized knowledge in modern, sustainable geothermal heating and cooling.

Why Locals Choose Illiana Heating & Air Conditioning

For residents and business owners in Demotte, Indiana, choosing Illiana Heating & Air Conditioning means choosing a partner with deep local roots and a proven track record. Their combination of long-standing experience, a wide range of services, and a genuine family-oriented approach makes them a go-to resource for HVAC needs. When you call Illiana Heating & Air Conditioning in Demotte, Indiana, you're calling a neighbor you can trust to get the job done right.

Hours of Operation:
Monday - Friday: 8:00 AM - 4:00 PM
Saturday: Closed
Sunday: Closed