Plumbing • Air Conditioning
Commercial & Residential
Service and Contracting

24-Hour Service

Commercial/Industrial Service:

Maintenance Contracts & Facility Services

Call United Mechanical for full-service or project maintenance contracts and services.

Service, Repair, New Installation & Equipment Replacement

You can trust us to repair and service existing equipment or install new, high-quality equipment. Call today for a quote.

Service, Repair, New Installation & Equipment Replacement

We’re available 24/7. United Mechanical technicians are fully trained and licensed technicians who can repair or install new HVAC and plumbing for your home. All work is fully warranted, and we are insured and bonded above industry standards.

Jet Wash Sewer & Drain Cleaning

Keep your home’s infrastructure running like new. Call us and we’ll clear your sewer lines with our state of the art Hydro Jet Sewer Machine. We provide High Pressure jetting of lines up to 12″ with 500′ capacity.

Plumbing Fixture Repair & Replacement

We repair or replace all major brands new and old. Our trucks are stocked with the most common, universal parts, and we’re ready for on the spot repairs to most major brands. United’s professional, courteous staff will assist with all your remodeling requirements. Design services are also available. Call us today to furnish and install your remodeling dreams, from ultra modern to antique.

Sewer Relay

Made to local code by our professional service technicians, we create sewer relays in all sizes for the City of Dallas, and other local municipalities, licensed & bonded.

Traditional & Tankless Water Heaters

Never take a cold shower again! We service, repair and replace all types of water heaters, residential, commercial and industrial. Ask about our 10-year warranty. 24/7 emergency service is available. Call for your Free Replacement Quote!

AC & Heating Equipment Maintenance Contracts

You’ll never be left out in the cold or burned with our comprehensive home maintenance contracts for your AC and heating units.

Gas Piping Repair & Replacement

Our plumbing pros are experts in gas line repair and replacement, and we provide testing for state certifications.


United Mechanical’s commitment toward the safety and health of its employees and to loss prevention in general, mirrors its commitment to excellence in all other areas of our business.


United Mechanical is a leading Mechanical Contractor, serving the plumbing, piping and HVAC needs of our North Texas customers for over 60 years.


United Mechanical is an innovative and quality focused mechanical contractor built upon a solid business foundation through financial, contractual, and insurance strengths.

Why United Mechanical

There are many reasons why owners, developers and general contractors continue to work with and recommend United Mechanical

24/7/365 Mentality – Our employees are ingrained with the attitude that we will be there when the client needs us. We are available 24/7 to handle any emergency or special project to meet our clients’ schedules and needs. This commitment to our customers has built a loyal customer base, many have been clients in excess of 30-40 years.

Innovation – Our engineering and detailing set the tone of our company’s strong design culture. Our staff works with your team to create a system that is both innovative and practical for your project. We have significant experience implementing 3D BIM capabilities we use to manage models of our projects and help the efforts of our sheet metal and fabrication departments.

Collaboration – We champion a collaborative integrated environment between our engineering, detailing, and project management teams and our tradesmen out in the field. Ensuring communication among all members of our team is essential to our success.

Coordinating our virtual building models with other contractors is the key element of clash detection. This ensures that all trades work together to identify issues before construction begins, saving unnecessary cost and time overruns. We continually strive to improve our processes and share our knowledge at every opportunity.

Integrity – We employ a hands-on approach by our ownership on every project. United Mechanical’s owners and management stay continually involved with each of our projects. When questions or issues arise, you can be assured that our owners and management team are working with you. No project is perfect, but by reflecting on past projects we can apply what we have learned over the many years of being in business.

History/Reputation – For over 60 years, we have been delivering high-quality construction at competitive rates with a proven track record of on-time performance. United Mechanical has performed a substantial number of retrofit and new construction projects in the area for many years. Our high-quality work has led to other new projects with our owner and general contractor partners. At United Mechanical, we are proud of the work we perform and embrace each new opportunity with the focus and attention to detail as if it were our first.

People – At United Mechanical, we employ a number of life-long dedicated professionals on our team and our project management team has well over 150 years of experience in managing complex projects. This experience is a key to our ability to manage such a diverse range of projects.


“Thank you very much for your personal attention and leadership in re-vitalizing safety and quality awareness in the work your people perform.”

Semiconductor Manufacturing Facility

“On a project of this magnitude with such an extremely aggressive schedule, we could not have achieved the success we did without the efforts your team put forth.

We at Hill & Wilkinson believe that teamwork is the key to any successful projects and your companies’ effort on the project has shown your belief in that philosophy.”

General Contractors

“Your company made a valuable contribution to the success of this project. Please congratulate your employees that participated for their hard work and cooperation that they demonstrated on this project.”

Industrial Facility