AC Repair, Replacement & Installation


At One Hour Heating & Air Conditioning our AC repair technicians are always ready to come to your rescue when your AC system breaks down. We will inspect, diagnose and fix any AC problem you may have. Call our 24/7 emergency help line at (224) 818-1800 to schedule an appointment with one of our AC repair technicians!


  • 24/7 Emergency Service. Our emergency service comes at no extra charge to you. Here at One Hour we call it - "weekend, night or day same low price you pay".
  • 100% Guarantee. All repairs to your HVAC system are backed by our 100% guarantee. If a repair fails during the current heating/cooling season, we'll repair it again at no cost.
  • Skilled & Courteous Professionals. Our technicians are highly skilled at their craft. All of them have apprenticed with master technicians and take continuing education courses and attend professional seminars to keep themselves on top of their trade.
  • Straightforward Pricing. We provide several options for resolving your heating or AC problems, give you the costs of the AC repairs upfront, and do any work only after your approval.


USE OUR LIMITED TIME OFFER AND SAVE!


15% OFF With Any A/C Or Furnace Repair Coupon must be presented at time of purchase. Cannot be combined with any other offers. Some restrictions may apply. Expires 12/31/2016.
One Hour Heating & Air Conditioning (224) 818-1800 |
1600 North Milwaukee Avenue, | Suite 903, Round Lake, IL 60046

CALL NOW (224) 818-1800

Heating & Cooling Services

One Hour Heating & Air Conditioning is ready to take care of all your heating and air conditioning needs including installation, repair, replacement, and maintenance.

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Protection Plans

Our Protection Plan

The One Hour Heating & Air Conditioning® maintenance agreement, Comfort Club™ , provides you with regular system checks. It's a bi-annual planned check-up and service. The maintenance completed is designed to meet or exceed all manufacturer and extended warranty requirements for system maintenance and surpasses the recommendations set forth from the Department of Energy and most utility companies. A Comfort Club™ agreement will keep your system running at its peak.

Get Details On Our Protection Plans

Our Guarantee

100% Satisfaction Guarantee

Your complete satisfaction with our heating and air conditioning services and technicians is 100% guaranteed. The on-time guarantee is one of the best in the country, and backed by heating and air technicians that are trained, skilled and experienced to exceed your expectations and needs. You will never be kept waiting - "Always on time... or you don't pay a dime."®

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A Family Of Home Services:

Strong partnerships and a national support system.