Sierra Mechanical

(636) 240-8383 | View Website

212 Crafton Dr, O Fallon, MO | Directions   63366

38.804835 -90.750695

Open Hours

Monday: 8:00 AM - 4:30 PM; Tuesday: 8:00 AM - 4:30 PM; Wednesday: 8:00 AM - 4:30 PM; Thursday: 8:00 AM - 4:30 PM; Friday: 8:00 AM - 4:30 PM; Saturday: 8:00 AM - 4:30 PM; Sunday: 8:00 AM - 4:30 PM

American Express, Discover, MasterCard  more

More Payment Methods: Visa

Household Appliance Products: Air Purifiers

Categories: Mechanical Contractors, Air Conditioning Contractors, Heating Contractors, HVAC Contractors

Neighborhoods: O Fallon


From The Owners of Sierra Mechanical

St. Louis and St. Charles Air Conditioning, Heating & Indoor Air Quality!

Reviews for Sierra Mechanical

11 hours ago

The company arranged the service appointment for the same day of contact. The service rep arrived when expected, and was professional.

7 days ago

The service provider was great, friendly, and fast once the part arrived. Problem resolved

14 days ago

The company Sierra Mechanical was very professional and courteous.

21 days ago

Thank you so very much for getting my AC serviced so quickly.

28 days ago

Service Tech was on time, pleasant and explained services completely

1 month ago


1 month ago

The gentlemen that came was very good. He explained everything to me.

1 month ago

They came out earlier than they said they would and that was nice.

1 month ago

The gentleman that service my furnace was professional and friendly

2 months ago

Service performed in a timely manner. Prompt service and efficiently fixed problems.

View more Reviews for Sierra Mechanical

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Sierra Mechanical

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