Heating Season · Chicagoland
Ultimate HVAC keeps Chicago-area homes at the right temperature year-round — trusted local experts, licensed technicians, and service calls that actually show up on time.
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Available 24/7 for ac repair & Furnace Maintenance
Comprehensive warranties on new system installations
Serving all HVAC models in Cook County
Our Partnerships and accreditations
Rated highly by homeowners and local businesses in Skokie and across Cook County
What We Do
Every system we touch gets diagnosed properly first — no guessing, no upsell for its own sake. Just the fix your house actually needs.
Full system installs and replacements, sized and set up correctly the first time — for every make and model.
Efficient heating and cooling with customized room-by-room comfort. Ultimate HVAC provides expert mini-split installation, repair, replacement, and maintenance throughout Cook County.
Design, installation, and repair — sealing up the leaks and dead zones that quietly waste your system's output.
Tank, tankless water heaters, and boiler service — repairs, replacements, and annual tune-ups.
Ventilation, humidifiers, and air purification solutions for healthier indoor air.
Scheduled tune-ups that catch small issues before they become expensive breakdowns.
Reliable heating and cooling solutions for small businesses, in addition to residential service.
What Sets Us Apart
Family owned and operated out of Skokie since 2015 — we’re the crew your neighbors already call, and the details on this install are the same ones we bring to every job.
Improve efficiency, prevent breakdowns
and keep your system running its best.
Limited-time offer. New customers only. Call for details.
Ultimate IQ
With Ultimate HVAC’s Smart Thermostat, you can adjust temperatures, monitor your HVAC system, and manage your home’s climate directly from your phone.
WHY CHOOSE ULTIMATE HVAC?
We’re a local HVAC company committed to honest service, quality work and long-lasting customer relationships.
REVIEWS
Posted on Google Samuel DearyTrustindex verifies that the original source of the review is Google. Chano was wonderful! They sent a text when they were on the way. They kept me updated the whole time they were here. Most importantly, however, they did not try to up-sell me, hassle me, or tell me I needed a new system when the old one still works. Great service! We will be repeat customers!Posted on Google Mahdi HosseiniTrustindex verifies that the original source of the review is Google. Easy scheduling, quick and professional work, trust them 100%.Posted on Google Ken NiTrustindex verifies that the original source of the review is Google. Chano and Edgar came out to install us a new AC they got things done quickly and professionally.Posted on Google Erin CoupeTrustindex verifies that the original source of the review is Google. I use them for maintenance on my systems every summer and winter (going on 7 years now) and they never disappoint. Super professional, explain things clearly and reasonable.Posted on Google Royal TigerTrustindex verifies that the original source of the review is Google. Fantastic Service!!! Stove gas hose had a leak. Ultimate HVAC crew came sooner than I expected and fixed the problem perfectly. I highly recommend!Posted on Google Christine KeranTrustindex verifies that the original source of the review is Google. Had heating/ac maintenance done. On time, explained clearly. Good communication. Have used Ultimate over the past several years. They always provide quality service. Highly recommend them.Posted on Google Ezio MagarottoTrustindex verifies that the original source of the review is Google. Great communication, work, and price!Posted on Google Paul HARBTrustindex verifies that the original source of the review is Google. Chano and the entire team did an amazing job Rep replacing my mini split units And walking me through the entire process of Flawlessly
FAQS
We understand you may have questions about our HVAC services.
Here are answers to some of the most common questions we get.
Our friendly team is ready to answer your questions and help you find the right solution for your home.
Mon – Fri: 7:00 AM – 5:00 PM
Emergency Service Available
Schedule your service today and experience the Ultimate HVAC difference.