About Swiss Air

If you are looking for the best HVAC companies in St. Louis, Swiss Air Heating and Cooling is your ideal choice!

Swiss Air started very humbly in 1989 as A&A Services. 24 Years later, we’ve built a company high in integrity and quality with a dedicated and caring staff that focuses on doing what is in the best interest of our client. Swiss Air has an A rating, with zero complaints with the BBB. Our technicians and call center staff care about doing it right.

  • We service and maintain residential furnace and AC units.
  • We service and maintain commercial Furnace, AC and Package units.
  • We provide replacement service for Furnaces, AC, and Package units “Only when it is in the clients’ best interest”

Swiss Air performs drug tests, background checks, and provides a staff that cares about you and your family.

  • We bring value and common sense to each and every service call.
  • We answer our phones 24/7 because your equipment can’t tell time.
  • We have Orange uniforms, Orange Floor Savers, Orange tickets. We are not afraid to be seen because we only have your best interest in mind!


Ron Neeley

HomeAdvisor Elite Service Pro - Swiss Air Heating & Cooling, LLC
Swiss Air Heating & Cooling, LLC is a HomeAdvisor Top Rated Pro
HomeAdvisor Screened & Approved

Our Service Area

We are proudly serving the heating and cooling needs of the people in and around St. Charles county and St. Louis county areas; including Hazelwood, Florissant, Bridgeton, Chesterfield, Ballwin, Maryland Heights, St. Charles, St. Peters, O'Fallon, Wentzville and Lake St. Louis.

Contact Information

Swiss Air Heating & Cooling
211 E Elm St
O'Fallon, MO 63366


Swiss Air Heating & Cooling GPS Directions

Share Some Comfort

FacebookTwitterDiggDeliciousStumbleuponGoogle BookmarksLinkedinRSS Feed