Alton, IL Air Conditioning Repair & Service

American history meets gorgeous scenery in the historic town of Alton, IL. After a day biking along the Mississippi River, admiring bald eagles or touring the river locks and dam, you expect to arrive home to a comfortable environment. When something goes wrong with your heating and air conditioning system, make Den-Son Inc. Cooling & Heating your first call. With nearly 50 years of service to Alton and the surrounding area, our certified technicians are your local experts on indoor comfort.

Heating and Air Conditioning Repair

Whether your air conditioner has completely shut down, is blowing warm air or is making strange sounds, you need a reliable HVAC service. The Den-Son team is available 24 hours a day for emergency heating and air conditioning repairs. There are no surprise fees, and we stand behind all of our work. Every technician is qualified to fix all makes and models of equipment.

Air Conditioning Service in Alton, IL

There is no debate: Performing routine maintenance is the best way to keep your heater and air conditioner running well for years to come. Den-Son recommends annual service checks at the beginning of the season to help minimize the chances of an inconvenient breakdown. Our affordable maintenance club membership is a great way to stay on top of preventive maintenance and save money on needed repairs. Ask your technician for details.

Choose Den-Son in Alton, IL

From the world’s tallest man to a famous Lincoln-Douglas debate, Alton, IL has been home to some amazing things over the years. At Den-Son, we like to think our reputation for quality work, honest dealings and fair pricing contributes one more wonderful aspect to this community. We’ve worked hard over the years to satisfy our customers and earn referrals.

Contact Den-Son today to set up your air conditioning repair or service appointment. It’s time you experienced the Den-Son difference.

Our Latest News

Why Is My Heat Pump So Noisy in Alton, IL?
March 25, 2024Read More
4 Possible Reasons for Your Home’s Restricted Airflow in Alton, IL
February 16, 2024Read More

Why Choose Us

  • 24/7 Emergency Service
  • Family-Owned Since 1972
  • Trane Comfort Specialist Dealer
  • 100% Satisfaction Guaranteed

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