Browse the Top 4 Air Conditioning Contractors Serving DeKalb, IL

DeKalb Mechanical provides comprehensive HVAC solutions, refrigeration services, and custom metal fabrication for commercial clients. Since 1991, we've combined advanced technology with skilled craftsmanship to deliver reliable heating, cooling, and ventilation systems. Our 24/7 emergency service ensures uninterrupted operations for businesses in DeKalb and surrounding areas.

All-Star Heating & Air Conditioning delivers HVAC, plumbing, and electrical solutions to residential and commercial clients in Northern Illinois. Established in 1965, we combine three generations of expertise with certified technicians and 24/7 emergency service. Our guarantees on performance, energy savings, and property protection ensure lasting customer satisfaction.

Service Now Home Services delivers expert HVAC, plumbing, and electrical solutions to residential and commercial clients in Northern Illinois. Established in 1965, we combine three generations of local expertise with cutting-edge technology to ensure reliable, energy-efficient systems. Our comprehensive guarantees and 24/7 emergency service for club members reflect our commitment to customer satisfaction.

HERO Heating & Air Conditioning provides expert HVAC services in DeKalb County, Illinois. Established in 1985, we specialize in furnace and air conditioner repair, installation, and maintenance, along with mini-split systems and indoor air quality solutions. Our focus on energy efficiency and customer satisfaction has made us a trusted local resource for over 38 years.