Indoor Air Quality Products for Alton, Brighton & Jerseyville and Surrounding Areas


Having healthy indoor air quality is crucial to your comfort at home. Poor IAQ can result in the buildup of pollutants such as pollen, dust, bacteria and dander. The service technicians at Den-Son Inc. Cooling & Heating can help you choose IAQ products that will benefit you and your home.

humidifier working in livingroom

Take advantage of the following benefits when you choose Den-Son as your local HVAC contractor:

  • Free estimates on new installations
  • A 100 percent satisfaction guarantee
  • Free second opinion on equipment replacements
  • No overtime fee for Maintenance Agreement customers
  • A Trane Comfort Specialist dealer
  • Product guarantee for 30 days

How Poor IAQ Can Affect Your Utility Bills

Dirt and grime can build up on your blower wheel. A layer no more than 1/16 of an inch can reduce your blower efficiency by 20 percent. That increases your heating and cooling bills throughout the year. It can also lead to other issues, adding unwanted wear and tear on your system components.

Particulates can collect on your indoor coil. Biohazards like bacteria and algae can thrive on the coil, producing biofilm that reduces the efficiency of your air conditioner and produces off-gassing. One form of this is called dirty sock syndrome.

Particulate buildup from pet dander, pollen and dust can reduce airflow. This can cause high limits to trip on your furnace and your coil to freeze up during air conditioning.

These issues reduce system efficiency and increase system runtime. Consequently, this increases the cost of your utility bills.

What Are the Benefits of a Humidifier?

Indoor air quality is more than just purifying your air. It’s about comfort, and comfort depends on the level of humidity in your home. A properly humidified home will feel cool in the summer and cozy in the winter. A properly sized and installed humidifier will enhance your IAQ, giving you the indoor comfort you desire.

The right humidity level reduces the proliferation of bacteria and viruses. It enhances your family’s respiratory system and protects your hardwood floors, antiques and artwork from cracking and drying out. A good humidifier will also allow you to be comfortable and save money on your heating bill.

Choose Den-Son as Your Local IAQ Expert

We care about the quality of your indoor air. We’re honest and strive to create personal relationships with our customers. While we don’t perform inspections, we carry and install all makes, models and brands.

Our service technicians will help you choose IAQ solutions that reduce the impact of pollutants in your home’s air, while satisfying the need for proper humidity control. Give us a call today to learn more about our humidification and air purification products! Our service area includes Brighton, Alton, Jerseyville, Batchtown, Alhambra, IL and the surrounding areas.

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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