Maintaining high air quality and proper heating in your home is important for the health of you and your family. We are available for all repair, installation and maintenance of furnaces and humidifiers. We also service duct work and are available for duct cleaning.
Save money and get quality service with the McNally's Pot of Gold Maintenance Plan. Our maintenance customers get complete heating and cooling season tune-ups, discounts on parts, priority scheduling and exclusive warranty options on equipment.
Chicago summers are HOT! Keep yourself and your family cool and reduce energy costs with efficiently running A/C. Air conditioning repair, installation and maintenance are all core services offered by our incredible McNally's team.
Keeping your indoor air free of bacteria, mold, dust and other particles is key to keeping your family breathing easy. We are available for air testing, dehumidifier maintenance, duct cleaning and sanitization, humidifier maintenance and more.
We are experienced in residential and commercial HVAC installations. Our work is always completed on time, with no unwelcome surprises. Installation services include air conditioning, furnaces, boilers, air purification and more.
24/7 Emergency HVAC Service. HVAC equipment failures can create extreme discomfort for you and your loved ones. We're here to help in your times of need with lightning fast service.
24 / 7 Help
Looking for something more specialized? We also provide air duct cleaning, ERV & HRV ventilation, ductless mini-split and heat pump services throughout Chicagoland.
Once you work with McNally’s, you’ll be a customer for life. For heating, air conditioning, air purification and emergency service, we lead the field in quality, reliability, and pricing. Thank you for your business and your trust.
From single-room comfort to whole-building systems, we install heating and cooling equipment for homes and businesses across Chicagoland. Every install is sized to the space, tested and explained before we leave.
Strange noises, weak airflow, no heat at all: our technicians diagnose the underlying issue and repair it properly, whatever the brand or age of your system.
A well-maintained system runs cleaner, lasts longer and costs less to operate. Seasonal inspections keep your heating and cooling ready before the weather demands it.
Every system reaches the end of its life eventually. When yours does, we weigh repair against replacement honestly and handle the entire upgrade, from equipment selection to final testing.
Tell us what you need and our team will get back to you shortly, or call us any time, day or night, at 630-363-9067.
