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About Us

Gowan Mechanical Services is Houston’s largest single-source provider of premier construction, tenant build-outs, sheet metal fabrication, HVAC systems, and mechanical services. We are a subsidiary of EMCOR Group, a Fortune 500® company. Read more.

We are pleased to welcome the addition of Garrett Mechanical. Garrett is well known in the Texas area and brings a wealth of experience in mechanical construction, including plumbing piping, sheet metal, site utilities and general construction jobs.

Choice Partners

CP Seal.jpg

We are proud to be members of Choice Partners, which offers procurement and contract solutions to meet government purchasing requirements. Learn more.

Meet the Team

MarkFroman.gifMark Froman, President & CEO, and the Gowan staff provide complete mechanical and HVAC solutions aimed at practical results and full customer satisfaction. Meet the team.


Gowan Mechanical Services is the largest mechanical and sheet metal contractor in Houston, servicing large commercial and institutional customers throughout the area. Read more.

Texas Air Conditioning
License No. 17399C

Texas Master Plumbers
License No. M-37572