Find the Best Air Conditioning Companies in Rockford, IL

L M Sheet Metal & Service provides custom HVAC, ventilation, and sheet metal fabrication solutions for commercial, industrial, and institutional clients. With over 40 years of experience since 1981, we combine advanced techniques and premium materials to deliver durable, precision-engineered systems. Our services include emergency support, design-build capabilities, and specialized food-grade welding, ensuring optimal performance for diverse environments.

G's R Plumbing & Heating delivers expert plumbing and HVAC services for residential and commercial properties in DeKalb, Illinois. With over five decades of experience, we handle everything from routine maintenance to complex installations and emergency repairs. Our certified technicians utilize advanced equipment to ensure efficient solutions for both new construction and existing facilities.