About Us

3D Mechanical Plumbing was started in 2008 in Kaufman, TX by Dwayne Baumgartner, our owner and founder. We specialize in providing professional commercial HVAC, mechanical plumbing, medical gas piping, and backflow prevention services for businesses like yours under new construction or reconstruction. Our projects range from churches, schools, and town halls, to restaurants, hospitals, and fire stations. If your project needs a mechanical contractor, rest assured, we can handle the job.

When it comes to seeking out a trustworthy and competent mechanical contractor for a new construction or remodel project, many business owners do not know where to start. The project often requires a substantial investment, which means it requires a lot of trust in the contractor you choose to work with. At 3D Mechanical Plumbing, our goal is to make that decision an easy one. For over a decade we’ve served commercial clients in Kaufman, the DFW area, North Texas,  and parts of East Texas. Clients know and trust the name 3D Mechanical Plumbing because we’ve worked hard to protect our reputation of professionalism, integrity, and diligence. Every conversation we have with you, every quote we provide to you, every project we undertake with you, and every hour we work for you will be done with excellence and rectitude. That’s just who we are.

Whether you’re a business owner in the beginning stages of a building project or a general contractor searching for a dependable mechanical plumber and engineer, 3D Mechanical Plumbing will ensure your project is a success. Call us for a consultation and to receive a competitive quote.

Dwayne Baumgartner

Owner & President

Dwayne has worked in the Commercial HVAC & Plumbing Industry for over 40 years. For over 20 years he worked for a large Mechanical Co in Dallas, Burden Brothers Inc prior to starting up 3D Mechanical with his brother Danny and their Dad James. Dwayne has been a Licensed Plumber here in Texas for over 40 years. Working on and managing projects for SMU, Parkland Hospital, DFW Airport Terminal D & Marriott Hotel, has helped build many Schools and Churches here in North Texas Area.

Married his high school sweetheart Terri in 1977. They have a son and a daughter. Both working here in Kaufman area. Elizabeth is a RN and Chris owns and operates their Cattle Company B&B Cattle. A Registered Black Angus and Certified Angus Beef seed stock cattle operation that’s based here in Kaufman Texas. I really like being out on the job sites with our workers, seeing the work being performed, knowing we provide an awesome service for our clients and customers.

I have been very blessed by my Lord and Savior Jesus Christ. I have been able to share the Good News of Jesus on three Continents. But some of my best days are when I share Him in our local school's after school program "Kids Beach Club" for you see, with Jesus nothing is impossible. 

When we partner with you on your projects, you also partner with these great organizations, Kaufman Genesis and Wellness Center, Children of the Nations, Tunnel to Towers and with our great friends Jack and Tammy Terrell in Kids Beach Club. Thank you for allowing us to partner with you on your next project. We love working for and with great people.

Juan Martinez

Vice President of Construction Operations

Juan Martinez has worked over 15 years in the Commercial Plumbing, HVAC and Mechanical Industry. Juan was able to get his journeyman license at a young age. He grew up working side by side with his father who also works in commercial plumbing. This lit a spark for Juan and encouraged him to pursue his plumbing license. He was raised with a strong work ethic and he applies those values to 3D Mechanical Plumbing Inc. Juan carries a Master Texas Plumbing License and an A Type HVAC Texas Contractor License. He has in the past and still today places high value on Safety in the Commercial Plumbing / HVAC Industry. He understands that the best work area is a safe work area with an emphasis on employee’s being responsible for each other’s safety.

He has built business relationships based on honesty, reliability, and excellent customer service. He enjoys playing and coaching soccer.

Kari Downs

Administration Manager

Kari has worked in customer service, management, and accounting for 22 years. For 13 of those years she has been with 3D Mechanical Plumbing Inc. Kari manages construction Administration Contracts, HR, and Accounting. She believes good customer service for our clients and a very efficient office helps the company maintain its high standards. She has been married to her husband Mike since 1997 and in May 2019 had their first child.

“For you need endurance, so that after you have done God’s will, you may receive what was promised.”
Hebrews 10:36.

Reagen bates

Project Manager

Reagen has over 10 years of experience in the construction industry with extensive Plumbing and HVAC project portfolios as well as experience managing large, complex multi-million-dollar projects. He began his career as an Assistant Superintendent and evolved into positions including Superintendent, Estimator and Project Manager for 3D Mechanical Plumbing Inc.

In his role as Project Manager at 3D Mechanical Plumbing Inc, Reagen fosters an environment of teamwork and ensures that strategy is clearly defined while overseeing performance and quality assurance for our clients. His strong communication and client service skills enhance 3D Mechanical Plumbing Inc’s abilities to Excel for our clients.

Reagen married the love of his life Elizabeth in 2005. He has 3 of the most amazing little girls, Landry, Savannah, Cheyenne.

In Memory Of

Tom Burden

Senior Estimator

Tom Burden has been in the Plumbing & HVAC business for over forty-one years. As senior estimator for 3D Mechanical Plumbing Inc, Tom prepares estimates and budgets for both General Contractors and Owners. Tom works with equipment manufactures to assemble the best cost opportunity for our clients. Tom’s professional expertise is sought out by many and is demonstrated by his keen awareness of the necessary components required to make an HVAC Mechanical System complete along with a Plumbing System that is in compliance with City code requirements.

Johnny Dolleman


Johnny Dolleman is an Estimator at 3D Mechanical Plumbing Inc. and has over 20 years of experience in the HVAC field from sheet metal fabrication, CAD, along with estimation of commercial, multifamily, and residential projects. In Johnny’s free time he enjoys fishing, watching hockey, sports photography, gaming, graphic design and spoiling his wife.

casey cox

Project Manager

Casey Cox is an experienced Project Manager with a demonstrated history of working in the construction industry. Casey holds a Bachelor of Science degree from A&M Commerce. Casey worked in purchasing with custom home builders, Project Management with steel building manufacturers and with his past work experience and vast knowledge he has increased our abilities to perform and synchronize with other industries. Casey believes within construction there are always learning opportunities and hurdles that can push your project to the next level with the proper attitude and intent to produce good work. Casey has overseen hundreds of jobs from initial material procurement to manpower in the field to finish a project. Casey has experience in plumbing, HVAC, steel and masonry. He has been on a construction site from the age of 6 due to his father being a stone mason and his uncle a plumber. Casey knows how to handle a little chaos after helping his wife chase down their 2 little girls at home.

max zea

Project Manager

Max Zea is a Project Manager who works with General Contractors, Vendors and other employees to oversee and help coordinate the installation of HVAC and Plumbing Systems. He also wears many hats here at 3D Mechanical Plumbing Inc where he over sees the company’s truck fleet and warehouse. His years of being the owner of his own construction installation company gives him the unique ability to juggle multiple task at the same time with diligence and efficiency. Even though he has only been in this industry for a few years, Max knows the importance of getting the job done right and on time.