Florissant, MO HVAC Contractors

Our experienced technicians at Design Aire Heating & Cooling are fully and insured to provide reliable repairs, installations, and replacements for all of your heating and air conditioning needs in Florissant, Missouri.  

Our Florissant, MO heating & cooling services include:

• AC Installation
• AC Repair & Replacement
• Furnace Installation
• Furnace Repair & Replacement
• 24/7 Emergency Service

No matter your concern, we’re available 24/7 to help. Call (314) 739-1600 to schedule services or request a free online estimate.

Our knowledgeable HVAC technicians are trustworthy, honest, and transparent, and have an average of 26 years of experience in the industry. You can rest assured that our team is focused on integrity, not on making the next sale. Our representatives are background-checked, drug-tested, and receive continuing professional education each year. They are highly qualified to perform the services you need on your heating and cooling systems, as well as the installation of new equipment.

A Trusted Florissant Heating & Cooling Company Since 1904

Since 1904, Design Aire has served St. Louis County with quality installations, repairs, and emergency services that are backed by our customer satisfaction guarantee. Our techs are always on-call to provide emergency repairs and services across Florissant. 

We service the following zip codes in Florissant: 63031, 63032, and 63033.

Call us today at (314) 739-1600 or contact us online to request service, get a free estimate, or learn about our HVAC maintenance plans.

Problems with an AC unit can be frustrating for homeowners, particularly when they occur in the heat of the summer. Our skilled HVAC technicians can provide fast, efficient, friendly service in Florissant to resolve your cooling problems. In addition to air conditioning repair services, we offer regular maintenance plans to ensure your system continues working well whenever you need it.

It can be a serious problem if your heater goes out in bitter cold temperatures. We can provide HVAC service that is timely, efficient, and effective to resolve the problem as soon as possible. Issues that may indicate your furnace needs repair include:

• Pilot light that does not stay lit
• Blower that runs continuously
• Reduced airflow
• Heater blowing cold air
• System cycling frequently from on to off
• Moldy or unpleasant smell coming from vents

If your old AC unit has stopped working, our technicians can diagnose the problem and tell you if the unit is repairable or not. If your unit has completely failed, we can provide the right equipment and installation services to cool your home with a system that is reliable and far more energy-efficient.

We have more experience and training with Trane air conditioning systems than any other dealer in the area. We also receive discounts for quantity on Trane equipment so you get the best AC unit and installation at a reasonable price.

If your furnace is well past its prime and no longer doing its job, it may be time to consider a replacement. Our technicians can install a high-quality Trane furnace to keep your family warm through the cold winter months. Design Aire has been the number one Trane dealer in the Midwest for more than a decade.

Design Aire has been providing high-quality HVAC products and services in the Midwest since 1904. Our company has been recognized with a number of service awards from customers and peers. We offer special financing with approved credit. Call on us for your HVAC service needs in Florissant, including repair, maintenance, and new installation of cooling and heating systems.