• 24/7 Emergency Repair Service

  • For more information call (618) 277-5090

  • The Collinsville IL Source for Trusted, Experienced Heating & Cooling Service

    Is something strange going on with your heating or air conditioning? Call a trusted HVAC technician from a local company for the expert service and friendly customer that you deserve. AT Delta Heating & Cooling, our technicians provide heating, air conditioning and air quality services to those in Collinsville, IL and throughout the surrounding areas. As a family-owned business, know that we understand the urgency needed when one of your systems goes out. We’ll be there with fast, friendly service that gets your heater or air conditioner back up and running. In business since 1990, trust our over 30 years of experience for your next heating or cooling problem – call for a free estimate! 

  • Local Heating Contractors serving Collinsville, Illinois

    In the Collinsville, IL area, people know just where to go for expert heating services at affordable rates. In fact, they call Delta for commercial and residential heating repair and installation services to all makes and models. Please contact us to schedule any one of the following services: 

    • Heating Repair
    • Heating Installation
    • Gas & Electric Furnace
    • Gas & Electric Heat Pumps
    • Heating Tune-Ups
    • More… 
  • Air Conditioning Installation & Repair Collinsville, IL

    When it comes to air conditioning, nothing is worse than a breakdown on the hottest day of the year. Luckily, we provide commercial and residential air conditioning services for all makes and models of gas and electric systems. From repairs to maintenance, call us for the following services: 

    • Central Air Conditioning
    • Ductless Mini Splits
    • Air Conditioning Repair & Installation 
    • Air Conditioning Tune-Ups
    • Refrigerant Check & Recharge
    • More… 
  • Humidity Control & Air Purification Collinsville, IL

    When it comes to home air quality, there’s no one better to know than the pros at Delta. In fact, we offer trained professionals that provide air quality solutions to commercial and residential customers across the area. Our available air quality products include:

    • HEPA Filters
    • Home Humidifiers/Dehumidifiers
    • UV Lights
    • Air Purifiers 
  • Why Choose Delta?

    • Over 30 Years’ Experience
    • Family-Owned & Operated
    • Service All Makes & Models
    • Gas & Electric Systems
    • Residential & Commercial Service
    • Same-Day Service
    • 24-Hour Emergency Service