Design Air Heating & Air Conditioning

At Design-Air Heating & Air Conditioning, we take pride in being the number one choice for HVAC services in Decatur, IL since 1977. As a family-owned and operated business, we are dedicated to providing exceptional customer satisfaction and top-notch HVAC solutions to our valued customers.

Our Story

Our journey began in 1977 when John Hall founded Design-Air Heating & Air Conditioning. Over the years, we have grown and thrived under the leadership of Jim Hall and now, Josh Mower, who purchased the business in 2018. With over 20 years of experience as a loyal and dependable employee, Josh is committed to advancing HVAC technology and ensuring customer satisfaction.

Our Mission

Our mission is to provide high-quality HVAC services that meet the unique needs of our customers. We strive to create a comfortable living and working environment for our clients by offering a wide range of services, including air conditioning, furnace, indoor air treatment, geothermal, and ductless split systems. Our team of NATE-certified technicians is dedicated to providing prompt, reliable, and efficient services that exceed our customers' expectations.

Our Services

At Design-Air Heating & Air Conditioning, we offer a comprehensive range of HVAC services, including:

• Air Conditioning Services: A/C maintenance, repair, and installation for residential and commercial properties
• Furnace Services: Furnace maintenance, repair, and installation for homes and businesses
• Indoor Air Treatment: Air purifier installation, humidifiers, and air filter maintenance for improved indoor air quality
• Geothermal Services: Electric and hydronic geothermal heating systems for increased energy efficiency
• Ductless Split Systems: Reliable ductless split systems for heating and cooling individual rooms or spaces
• New Construction Installations: Residential and commercial new construction HVAC installation services

Why Choose Us

At Design-Air Heating & Air Conditioning, we pride ourselves on our commitment to customer satisfaction, quality workmanship, and exceptional service. Our team of experts is dedicated to providing personalized solutions that meet the unique needs of our customers. With over 300 years of combined experience, you can trust us to deliver top-notch HVAC services that exceed your expectations.