Deljo Heating and Cooling is a reputable business with a long history of providing high-quality HVAC products and services to residents and business owners in the Chicagoland area. They are the best choice for all home heating needs and are known for their reliability, dependability, and honesty. Their technicians are always knowledgeable, courteous, and prompt. They are easy to work with and always take time to educate customers on how everything works. Technicians provide excellent analysis, offer several options, and give everything a thorough evaluation. Overall, Deljo Heating and Cooling is a business that values its customers and takes pride in the quality of its work.
I had a great experience with Deljo Plumbing & HVAC, and would definitely recommend them. I recently bought a new condo, and unfortunately, the AC wasn’t working properly. I contacted several HVAC companies, but ultimately decided to go with Deljo. Jim Carney came to my home, inspected the system, and took the time to thoroughly explain the different options available to me. He was extremely knowledgeable, patient, and never made me feel rushed. He also clearly explained the different payment and financing options, which I really appreciated. Another big reason I chose Deljo was their availability. We were having temperatures in the upper 90s, and I urgently needed… read full review
Aug 2026
5.0★★★★★
Courteous, honest, clean and efficient. They replaced a rooftop AC unit for our rental unit and everything was so smooth and at a reasonable price for quality equipment. Happy customer!
Dec 2025
5.0★★★★★
Drew was on time, very personable and knowledgeable, and clean and respectful of my condo. During my service he explained any issues with my furnace and actually showed me exactly what he was seeing. He encouraged questions and provided great advice.
