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Design Aire Heating and Cooling

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Design Aire is a fourth generation family company, and one of the most prominent Trane dealers in the Midwest. They have been installing and servicing comfort systems for 114 years, and take great pride in keeping our customers happy. Design Aire has an A+ rating and won the prestigious Torch Award from the Better Business Bureau because of "exceptional ethical business practices and customer service." They have also received four consecutive St. Louis Top Workplaces Awards and were voted the "Best Heating And Cooling Company" by the readers of the St. Louis Post-Dispatch.

Established in 1904, Design Aire is a full-service residential air conditioning and heating company serving the entire St. Louis and St. Charles region. Design Aire is not only the largest residential Trane dealer in St. Louis and St. Charles, but the largest in Missouri and the surrounding states. Design Aire has more training and experience with Trane systems than any dealer in the area. Design Aire's loyal customer base continues to grow every year because we recognize that area homeowners want to use quality contractors that they can trust.

Contact us today to find out what makes Design Aire different.



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Wells Fargo Financing


Maryland Heights, Missouri 63043


NATE Certified
24/7 Emergency Service