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For northern Cook County, IL, Ultimate HVAC is your source for new construction and replacement gas furnaces. If you’re building a new home, or if your existing system in the Skokie area is getting a bit older old you should consider upgrading to a new efficient and reliable gas furnace from Ultimate HVAC.
Call us today or Click Book Now!

Winters in northern Illinois are long and harsh. In winter months a properly designed, installed, and maintained gas furnace is the most important appliance in your home. At Ultimate HVAC, our NATE certified, licensed and insured heating technicians have local knowledge to help you choose the features you need and size your system properly to ensure wintertime comfort and efficiency. NATE certification documents a real-world working knowledge of HVACR systems and validates the professional competency of our service and installation technicians.

Our heating technicians have decades of experience and are fully capable to provide expert installation of any type of furnace. We work quickly so that your home and routine are disrupted as little as possible. We also make sure that our work space is clean after your installation is finished. We feature Armstrong and Ducane Gas Furnaces.

Click the Armstrong Air and Ducane logos to learn more about the furnaces we carry.

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Armstrong Pro Series™ Gas Furnaces

Armstrong Pro Series™ systems are the ultimate in comfort and quality. They are offered exclusively through the most experienced, professional Armstrong dealers.

Gas Furnace Rebates and Incentives

Nicor Gas offers natural gas customers a $350 rebate replacing your existing older gas furnace with a new Armb or Ducane condensing gas furnace. 
Click here for the details.
If you need furnace service, we are here to help. We offer 24 /7 emergency service and our Nate Certified technicians service all gas furnace brands.
For more information about our heating repair services click here.



Ultimate HVAC is local owned and has decades of experience providing water heater installation and service for Skokie area homeowners and businesses.

 Guarantee Peace of Mind

Ultimate HVAC is committed to your needs and satisfaction regarding water heating, HVAC or indoor air quality.

 Factory Trained

We have completed manufacturer training and are Navien® and A. O. Smith dealers.

We've been an Accredited Better Business Bureau member since 2017, and we are more than proud of our A+ BBB rating!

Nate Certified heating and cooling contractor.

Ultimate HVAC is EPA refrigeration and air conditioning certified.

Ultimate HVAC is licensed and insured to do furnace, boiler, air conditioning, and water heating work throughout Cook County.

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