Sheet Metal Contractors
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Sheet Metal Contractors
Sheet Metal Contractors, Inc. offers architectural sheet metal services as well as commercial, industrial, and residential heating and air conditioning projects. Offering a complete service, from fabrication to installation, we celebrate more than 38 years of success as a premier HVAC and architectural sheet metal contractor.

Founded in 1980 by Lawrence P. Krodinger Sr., Sheet Metal Contractors began with just four employees and has grown to an impressive 55 full-time employees. We have senior technical consultants qualified to design several options that can meet all the application requirements of our clients. Performing HVAC and geothermal work within three broad-based markets: commercial, light industrial and residential.
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The definition of Excellence Prevails is what drives our every decision; it is the motivating factor to every move. This shines through in every aspect of our business. We are a leading team that gives tirelessly to our community, churches and schools. We participate in many local events and continue to share our energy and enthusiasm with the many civic organizations in our area.
Our initial HVAC team leaders are all still on-board today as we continue to grow, progress, and celebrate over 37 years of success. Our organization chart details the foundation for our success - many of our team leaders are part of our family. We are committed to a top level staff that shares in our vision to maintain and develop our family business as a legacy which will continue into future generations.
We offer you simply outstanding heating and cooling services from architectural sheet metal to geothermal contractors in the St. Louis, Missouri region. Since 1980, SMCI's top priority has been to provide superior commercial, industrial and residential services, meeting customer satisfaction. Embracing VRV technology, SMCI has installed tons of Daikin VRV equipment and have honed their VRV expertise in multiple VRV jobs in the St. Louis area.
Since 1980 SMCI's top priority has been to provide superior commercial, industrial and residential services, meeting customer satisfaction. From preliminary design build to project completion, our emphasis is completing projects on-time and within budget. Heating & Air Conditioning Systems from the smallest residential application to large commercial/industrial systems.
A VRV IV-S Series system can connect up to 10 indoor fan coils from one system. It is ideal in residential applications where every zone can be individually controlled to save energy. Imagine a house where the master bedroom can be controlled independently from the other bedroom (and turn off the units in guest rooms), where the living space can be set at 75F° when the kitchen can be set lower if the entire family is reunited.
Reviews (4)
Cindy Cullen
Cindy Cullen
Sep 25, 2021
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Great friendly company. Very knowledgeable and can make anything. Very happy.
Robert Sullivan
Robert Sullivan
Aug 17, 2021
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Very friendly and professional, will ensure you have everything you need.
Space Ace
Space Ace
May 07, 2021
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I needed a piece of sheet metal bent for the roof of my gazebo. I was told by another local contractor to go to a shop in St. Louis, "They handle small off the wall projects like yours." I walked into the shop here, they welcomed me and my small job, and within minutes I was walking out with the piece I needed for my roof tha
t fit perfectly. I would definitely recommend. Everyone was pleasant and eager to please. Thanks again.
William Reynolds Jr
William Reynolds Jr
May 06, 2020
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Just wanted to say thank you SCMI for a great job with the installation of our new HVAC system. Doug our installer was very professional and polite. Working with Kaleb Brown was a pleasure as he was very helpful all along the way. The line of communication was very open and well coordinated as he was able to answer all of our questions no matter how ridiculous they were. They are reasonably priced as well. I very highly recommend them for your next install whether it’s residential or commercial. You won’t regret it!