Den-Son Inc. Cooling & Heating Customer Reviews


  • After 20 years of hard work, our old HVAC had finally given up. Cracked heat exchange. We had problems with the AC for the last couple of summers, too. So I called three different places. All three were reputable, and all offered some comparable bids. We went with Rick at Den-Son because his team h... Read More
  • Office called ahead to tell.me technician was on his way. He showed up on time. Mine was a mystery problem (furnace coming on and off while thermostat was off). Of course it worked fine when he tried it. Still, he fixed what he thought the problem might be, and he was right. Furnace working perfectl... Read More
  • My furnace went out at 2 a m. on one of the coldest days this season. I called the after hours phone number at 3 a.m. Den-Son called me back just after 8 a.m. and a service tech was on the way. The furnace was repaired and running again by approximately 2 p.m. the same day. I've been a long term c... Read More
  • Had an overall great experience with Den-Son. They made sure we were happy with everything. Had gotten a quote from another local company and I didn't quite agree with them saying we wouldn't need a panel upgrade if we decided to switch to an all electric hvac system. When Rick came over he confirme... Read More
  • These guys did an amazing job for me! Would absolutely recommend after you get estimates and see that there's a difference here! They noticed things other did not, they were honest, explained everything, were clean and prompt! I'm satisfied and will recommend! They even gave me a follow up call! T... Read More

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Why Choose Us

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

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We Proudly Serve the Following Areas

  • Alton, IL
  • Bethalto, IL
  • Brighton, IL
  • Bunker Hill, IL
  • Carrollton, IL
  • Chesterfield, IL
  • Cottage Hills, IL
  • Dorsey, IL
  • DOW, IL
  • East Alton, IL
  • Godfrey, IL
  • Grafton, IL
  • Hartford, IL
  • Jerseyville, IL
  • Kane, IL
  • Medora, IL
  • Piasa, IL
  • Roxana, IL
  • Shipman, IL
  • South Roxana, IL
  • Staunton, IL
  • Wilsonville, IL
  • Wood River, IL
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