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Gowan Gowan/Garrett, Inc. is one of Houston's largest single-source providers of premier construction, tenant build-outs, HVAC systems, and mechanical services. As a construction engineering firm proficient in industrial design and construction, our services are enhanced by extensive mechanical engineering capabilities, as well as HVAC, commercial plumbing, and process piping expertise. We are Houston's largest single-source provider of premier construction, tenant build-outs, sheet metal fabrication, HVAC systems, and mechanical services.
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Gowan/Garrett, Inc. is Houston's largest single-source provider of premier construction, tenant build-outs, fabrication, HVAC contracting, and mechanical services. Over the years we've built solid, long-term client relationships that have resulted in 85 percent repeat business. We are a subsidiary of EMCOR Group, a Fortune 500 company.
From complete construction, tenant build-outs, fabrication and retrofits, to commissioning, HVAC, fire protection & life safety systems testing and installation, as well as 24/7 emergency response, Gowan/Garrett has you covered.
EMCOR and its 80+ operating companies believe that only by integrating safety, quality, and productivity can we provide the high-quality services expected of us. Striving for an injury-free environment is a company-wide core value. To that end, as part of our award-winning Be There For Life! program, we continue to alert our employees to the potential for injuries at every turn.
To help reduce energy consumption and costs, and improve occupant comfort throughout your facilities, Gowan/Garrett's experts can plan, design, and install the latest web-based building automation systems (BAS). With over 25 years of experience in the industry, we also provide technical assistance, repair/replacement, and preventive maintenance, so your building automation and controls can continue to help enhance productivity and efficiency as you grow.We specialize in Tridium, Honeywell, and Facility Explorer non-proprietary BAS that are scalable, secure, and easy to use.
Reviews (6)
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Nina Rice
May 15, 2022
This company purchase my husband company he work for. Gowen told them in the buying process they were going to give the Company the same benefits for labor and non union employees. They were suppose to give them paid vacations, paid holiday and sick pay. Never happened. Between this Company and Garrett Mechanical They have poor values towards loyal employees. And my husband has not had a raise in 6 years. He has been with Garrett for 29 years. I am just a Admin Assist. and I get paid 8.00 more an hour them him.
May 01, 2021
Terrible driving on Travis street and Franklin street. I hope they have insurance
Shoot Fun Life Outdoors
Feb 27, 2021
We used Gowan to replace a leaking backflow preventer, because the landlord would only allow them to do the work. They charged about $900.00 for what should have been no more than $300. We were never given an estimate, and that is on the building manager. On their bill was the drive time to get to our office plus the drive time to go and get the part that they knew in advance was the problem and should have been on the truck.

I've replaced backflow preventers at my house, so I know what's involved and what the costs should have been. Thankfully, my new landlord will allow us to pick our own plumber as long as they're bonded, and Gowan is out.
Tony Stephens
Dec 17, 2017
Gowan is where I started my career as a sheet metal worker from being homeless living on the street. Every time I'm hire here it reminds me of my gaint step to living a more stable life. Thanks to all staff men and women who works very hard to keep this company moving. Thanks.
Vanessa Canterbury
Aug 05, 2017
The driver of one of their vehicles is careless. Cut me off on the highway this morning, it was so tight that he almost scraped my car -I had to apply my breaks quickly to save us from an accident. It blows my mind how someone can drive like this.
Dj Ruffin Notorious
Jan 22, 2017
On Werner and East Hamilton St, your driver of license plate FYY4147 nearly totaled my vehicle and killed my family! He was speeding down Werner St and did not adhere to the stop sign! He missed hitting my car by mere inches! My family is very upset, my son hit his face against the backseat, and I'm in shock. The driver didn't even give an apology!

My husband confronted him at a convenience store and says, "There wasn't a stop sign. My bad." First of all there is are stop signs on both ends of Werner crossing Hamilton and second of all, does this man NOT understand he nearly took life? He completely ruined a perfectly good day on the way to bowling. My husband is still upset, as am I.