Quality is never an accident; it is always the result of intelligent effort."

Makden HVAC provides comprehensive solutions for both residential and commercial properties. Whether dealing with aging systems or new installations, we offer expert repair and replacement services, along with non-sanitary plumbing support.

SMSI is your trusted partner for comprehensive industrial support. We offer a wide range of services, including routine maintenance, large-scale project execution, and thorough inspections. Whether you're managing ongoing operations or tackling complex upgrades, SMSI delivers the expertise, equipment, and reliability your facility demands.

The Founding Father of SMSI - Lonny M. White

With nearly forty years of experience in the industry, he brings unmatched expertise to every project. From complex system installations and retrofits to troubleshooting and high-stakes project management, his depth of knowledge ensures every job is done right the first time.