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847-996-0796
Serving Chicago’s North
Shore including Lake and
Cook Counties, IL
Click for Libertyville, Illinois Forecast
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Family Owned and Operated Since 1959

In 1959 Thornton Heating Service opened its doors to serve the needs of homeowners and business in the Chicago's Northshore area by installing and repairing hot water heating systems. Over the years, we have grown to become a trusted HVAC services company offering a wide variety of name brand products and highly skilled serviced for heating, cooling, comfort and safety across the North and Northwest Suburban Areas.

Since 1974, Thornton Heating Service has been under continuous ownership of the Starck family and has remained focused on the customer by providing them with superior design, installation and service capabilities. Our goal of 100% Customer Satisfaction drives every decision and action we take in order to meet the needs of our customers. Our "customer first" attitude is evident in everything we do.from designing the most comfortable, efficient and healthy system, to being scrupulously careful and thorough during every installation, providing responsive, expert follow-through, and maintaining the customer's home comfort system. We have earned the reputation of doing the job right the first time.

Our Products

Thornton Heating Service is proud to offer an extensive array of reliable, energy efficient products for your home or business. We know how to help keep your family healthy, and protect your family's investments while feeling comfortable all year long.

Our products include:

  • Residential Heating & Cooling
  • Commercial Heating & Cooling (up to 15 Ton)
  • Spa & Pool Dehumidification
  • Water & Steam Humidification
  • Air Purifiers
  • Zoning Systems
  • Radiant Heat & Snow Melt Systems
  • Hot Water Heaters
  • Whole House Generators
Let the experts at Thornton Heating Service help you customize a solution that's right for you!

Our Services

Thornton Heating Service, Inc. offers homeowner’s piece of mind to get the job done right whether it’s an installation or repair.  With our in house sheet metal shop and N.A.T.E certified technicians; we have the tools, equipment and experience to keep your equipment running smoothly and comfortably all year long.

Our services include:

  • Duct & Dryer Vent Cleaning
  • Preventative Maintenance Agreements
  • Free In-home Energy Consultation
  • Extended Warranties on New Equipment
  • Financing
  • 24 Hour Service for Emergency Repair
  • Service on All Makes & Models
  • Indoor Air Quality Specialists
  • Air Testing & Balancing
  • Installation & Replacement