Commercial HVAC Repair & Installation Services

At Den-Son Inc. Cooling & Heating, our HVAC expertise doesn’t stop with residential heating and cooling. Our service technicians also provide commercial HVAC repair, maintenance, installation and sheet metal fabrication service for all makes, models and brands.

Trane commercial air conditioners

While we have been around for almost 50 years and have developed into a busy HVAC company, we still operate as a family-owned business. Our original values reflect how we treat our customers.

We believe in having honest, personal relationships with our customers and keeping them comfortable. People buy from Den-Son because of our generational connection, and we receive a lot of referrals because of that. If you want a reliable HVAC company and Trane Comfort Specialist dealer, partner with Den-Son today.

Commercial HVAC Installation

Designing the ideal heating and cooling system for a commercial property requires a level of expertise that goes above and beyond what residential HVAC installations typically require. Our commercial HVAC contractors are certified in building and installing heating and cooling systems for businesses. Whether you operate a small business or a large corporation, our experienced contractors are at your service.

When it comes to building the right HVAC system for your business, we start by calculating your building’s heating and cooling load. We’ll factor in the size of the building, the layout and room design, the number of windows and the amount of insulation throughout. We’ll also take into account that commercial systems tend to face higher demand than the average residential system.

Next, we’ll advise you about the right air conditioner, heat pump or furnace for your business. We provide free estimates on new installations.

We know that cost and comfort are two of the biggest concerns for companies investing in new HVAC systems. If another company recommends replacement of equipment, we will give you a free second opinion. In addition, we offer a product guarantee for 30 days. If your system breaks or the issue reoccurs after our service technicians have fixed it, we will come back out for free.

Commercial HVAC Maintenance

At Den-Son, we know that heating and cooling systems need regular maintenance to stay efficient and last as long as possible. Even the most high-tech system can’t maintain itself. However, our professional commercial HVAC contractors can provide the tune-ups and inspections your business needs.

Schedule an HVAC tune-up early in the season to ensure that your heating or cooling system is ready to keep your crew comfortable. Take advantage of our commercial maintenance agreements to benefit from annual heating and cooling tune-ups, no overtime fees and priority repair scheduling. To help your company keep costs under control, our commercial contractors will work hard to identify potential service issues before they escalate into expensive repairs.

Commercial HVAC Repair

When your business’s cooling system unexpectedly breaks down, you need qualified HVAC professionals who can get it running again in no time. Den-Son’s service technicians are trained to service and repair all makes and models. We offer emergency service 24 hours a day, 7 days a week.

We have an answering service at night and on weekends to page our on-call technicians. During regular business hours, we have office staff to help expedite your calls and facilitate a prompt response.

Turn to our commercial HVAC team for professional repairs on a schedule that works for your business. No matter the season or time of day, our repair team is at your service. Contact us today to learn more about our commercial air conditioning repair and installation service.

Your Comfort Matters to Us

Let the Pros at Den-son Take Care of Your HVAC Needs

Schedule an Appointment

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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