AAA Northgate Diagnostics & Services

Heating and cooling systems seem to break down when you need them most, often when they are working the hardest -- in the coldest part of the winter or the most hot and humid summer day. AAA Northgate is there for you.

AAA Northgate technicians are experts in accurate diagnostic services for heating repairs and cooling repairs. When your heating or cooling system is leaving you uncomfortable or costing you too much to run, our team of troubleshooters will find the problem and provide cost-effective, professional repairs.

Let us keep your system working efficiently! Avoid breakdowns and costly emergency repairs with an AAA Northgate’s Maintenance Program. We offer both residential and commercial programs.

Why AAA Northgate?

We offer a range of services to increase the comfort level and energy efficiency of your home, multi-family building or commercial building. We can repair and maintain your heating and cooling systems to keep them in top operating condition.

With our qualified team of energy auditors, we can help you decide on energy-efficient upgrades to improve the performance of your home in general, so that you get the best value for your investment.

AAA Northgate provides emergency service and repairs to the Central Illinois area, including East Peoria, Peoria, Pekin, Morton and Washington.

Need a repair immediately? Call our emergency and repair hotline now: 309-686-1786.

Emergency Service

AAA Northgate One Hour Heating & Air, Freezing man trying to adjust a broken thermostat, Peoria, IL

Weather extremes are tough on your heating and cooling systems. When they break down, you need help, and you need it fast fast! Don’t suffer in silence in the brutal cold or the sweltering heat -- call AAA Northgate One Hour Heating & Air. One of our big yellow vans will be at your door right away!

Heating Repair

AAA Northgate One Hour Heating & Air, Cold woman sitting on couch, Peoria, IL

Whether your unit is a furnace, a boiler or a heat pump, we have all the tools and knowledge needed to get the job done correctly the first time. Our technicians are always ready to diagnose your Illinois home’s comfort problems and provide an effective solution for your heater repair needs.

Cooling Repair

AAA Northgate Cooling Repair

Sweltering summer days and nights require your air conditioning system to work at peak capacity. If your cooling system stops working, it can quickly become an urgent problem. AAA Northgate is known for fast AC service and expert technicians.

Our expert technicians are ready to assist you.

Learn more about our services today!


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Quick response

Read about one Peoria homeowner's experience with AAA Northgate One Hour Air, one of the best heating and air conditioning companies in Peoria and Washington, IL. "Thank you for such a quick response to my heating needs. Stuart did a great job, he is a pro!" Read the full review from a Peoria, IL homeowner here.

Bob Rogy

Prompt, timely, very reasonable

Customers rely on AAA Northgate for Peoria IL-area home & business HVAC requirements, including new home construction, remodeling, maintenance & equipment inspection. For heating, cooling & building performance projects, AAA Northgate strives to exceed customer expectations whether the task is complex or simple.

Hultgren Home Services, LLC
Bob Hultgren