211 E Elm St
Ofallon, MO 63366
636-978-7800

Local Reviews

Rated 4.9 out of 5 stars based on 223 customer reviews

Awesome service

Chris was very informative about my system and also about potential issues that may come up in the future. Felt comfortable about his knowledge and skill. Very satisfied overall.

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Don't go anywhere else

Swiss Air has been absolutely awesome since I bought my system 18 months ago. Would recommend to anyone.

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Great experience

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Great Service!

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Chris was great just like your whole team

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Chris, Serice-man= the best!

Chris, the man that came to fix our gas leaks, was the most informative, nicest, punctual individual I could have ever asked for. He explained everything that we needed to know and did not cut corners. It was honestly the quickest, best experience I could have asked for.

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Great technician, Great Service, Quick response

Technician was very knowledgeable and very helpful. I have a very old unit and I will request him in the future when I need to replace my furnace and AC unit. He helped me get it up and running for the time being. I appreciate the fact that he came so quickly to my home as it was the same day as I called. My technician was also very friendly which I really appreciated. I felt he was honest. He worked quickly to asess the problem and explain everything to me. He was very thorough in the process. I am very pleased with the service.

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Wonderful service , they are careing and they have great information and talent that is spectacular ! Love the service will stay with them many years

We are very pleased with the service and they are very knowledgeable in all areas of their field ! Love the service !

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Great exeperenice

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Job Locations

Chris W.

Chris W. Job Checkin

Overland mo clean and check


Chris W.

Chris W. Job Checkin

O’Fallon clean and check


Chris W.

Chris W. Job Checkin

Ofallon service


Chris W.

Chris W. Job Checkin

Ofallon no hot water service call


Chris W.

Chris W. Job Checkin

Ofallon no cool on heil ac


Chris W.

Chris W. Job Checkin

Lake st.louis mo no cool service call


Chris W.

Chris W. Job Checkin

Ofallon service replace evap coil


Chris W.

Chris W. Job Checkin

St.louis clean and check


Chris W.

Chris W. Job Checkin

Ofallon service ac frozen

Ofallon service ac frozen

Chris W.

Chris W. Job Checkin

Ofallon clean and check on ac

Ofallon clean and check on ac

Chris W.

Chris W. Job Checkin

St.louis repair fuel run leaks


Chris W.

Chris W. Job Checkin

Ofallon AC not working froze up.

Ofallon AC not working froze up.

Chris W.

Chris W. Job Checkin

Ofallon clean and check on ac


Chris W.

Chris W. Job Checkin

Ofallon clean and check on a ruud ac


Chris W.

Chris W. Job Checkin

Lake St. Louis mi clean and check and repair to Lennox ac

Lake St. Louis mi clean and check and repair to Lennox ac