Trusted commercial HVAC solutions from United Mechanical
Since 1975, United Mechanical and Donohue Commercial Service have served businesses in Oklahoma City and Tulsa with integrity, consistent quality, and attention to detail. With our focus on preventative maintenance and strategic construction planning, we deliver commercial-grade mechanical solutions and HVAC services that keep your business running while saving you time and money.
How United Mechanical and Donohue provide superior HVAC and commercial mechanical services
Across our United Mechanical and Donohue divisions, our extended team has the expertise, experience, and dedication to consistently provide superior service. If something goes wrong after our construction, repair, or maintenance work, we make it right — always.
Our tradesmen and our construction engineers provide quality service, whether you need us to design, engineer, retrofit, repair or maintain your commercial mechanical systems. United Mechanical is the largest employer of certified HVAC professionals in Oklahoma and a member of the nationwide LINC network.
Services from United Mechanical help you reduce energy costs for heating and cooling systems with energy-efficient HVAC equipment and well-maintaining commercial mechanical systems. Plus, our maintenance and repair services help you avoid costly repairs while improving indoor air quality and plumbing reliability in your commercial buildings.
Why choose United Mechanical?
Let United Mechanical keep your HVAC, plumbing, and other commercial mechanical equipment in good condition, resulting in less downtime, fewer repairs, and a better environment for your employees and customers. We provide repair, maintenance, and construction services, adhering to LINC network standards of service so you know you can trust our work.
Our expert staff is ready to give you peace of mind with high-quality solutions delivered with excellent customer service. From our 24/7 emergency services to our personalized points of contact for customers, we make every effort to be there for you and your business every step of the way.
Reliable repair and maintenance services from United Mechanical and Donohue
Our team wants to help you get the most value out of your commercial mechanical systems, so we provide comprehensive repair services for air conditioning, heat pumps, indoor and outdoor units, plumbing, and more. For your HVAC equipment, we service both single split and multi-split systems. But we do more than fix what’s already broken.
To help you prevent unexpected costs and building downtime, we also provide preventative maintenance through our Professional Proactive Preventative Maintenance program, a subscription service that helps your business prevent and plan for emergencies at less cost to you.
Learn more about reliable repair and maintenance services from United Mechanical and Donohue Commercial Services – including how we guarantee the quality of our work.
Our construction services
Our team can also retrofit and construct commercial mechanical systems for your facility. The United Mechanical team handles everything from plumbing and pipefitting to sheet metal work and HVAC system assembly.
During our pre-construction phase, our in-house building information modeling (BIM) team starts designing the mechanical systems your building needs. Then, we develop plans and scope your project based on that design. Throughout this process, we work hand-in-hand with customer preferred engineers, architects, and general contractors. This allows us to keep you engaged and informed during the design phase so any mechanical plans and scopes are built to meet your needs..
Then, once construction starts, we bring highly skilled plumbers, pipefitters, and sheet metal workers to install the mechanical systems (HVAC and plumbing) that are planned and scoped during the pre-construction phase.
And we always make sure to plan for the unexpected so we can meet aggressive project deadlines. Learn more about how we handle HVAC and plumbing construction projects for businesses in Oklahoma City and Tulsa.
Our LINC service agreements
As one of over 150 contractors in the national LINC service network, United Mechanical provides commercial HVAC solutions that adhere to specific quality standards.
As LINC contractors, United Mechanical and Donohue Commercial Service can offer repair, maintenance, and construction for multiple facilities under a single service contractor. See how our LINC service agreements ensure that your business receives consistent, reliable commercial HVAC solutions and services no matter when or where an issue arises.
Commercial HVAC services we offer
Our HVAC professionals offer a wide range of high-quality HVAC solutions and services, including:
- LINC Service Agreements
- 24-hour Emergency Service
- Centrifugal Chillers
- Absorption Chillers
- Reciprocating Chillers
- Packaged A/C Units
- CFC Reclamation/Banking
- DDC and Pneumatic Controls
- System/Building Analysis
- Energy Management
- Vibration Analysis
- Medium & Low Temp Refrigeration
- Eddy Current Testing
- Oil Analysis
- Infrared Analysis
- Air Handling Units
Serving commercial buildings across industries
We serve customers in all industries, ensuring that their HVAC systems and equipment meet their facilities’ needs and allow their businesses to operate smoothly. United Mechanical and Donohue service:
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Hospitals
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Universities
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Data Centers
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Banks
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Medical Facilities
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Temp Sensitive Warehouses/Storage
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Offices
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Houses of Worship
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Manufacturing
Customer testimonials
Hear from our customers how repair, maintenance, and construction solutions and services from one of our United Mechanical divisions made a difference for their businesses.
"United Mechanical has been a pillar for us on multiple complex projects. Regardless of the complexity or the duration we've been able to count on United Mechanical for first-class results every single time. They truly partner with you in order to deliver the best product. If you're considering making United Mechanical a part of your team, I promise you'll be happy with your decision."
Learn more about United Mechanical and Donohue’s approach
Want to learn more about what to look for when shopping for commercial HVAC construction in OKC? Check out our recent blog posts.
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See how our mechanical system services can support your business
At United Mechanical, our team takes pride in the work we deliver to customers. We understand how important having reliable heating, cooling, ventilation, and plumbing is to your business, which is why we deliver our services with care and attention to detail.
And we back our quality service and solutions with a guarantee, so you’re never let down by the repair, maintenance, or construction work we deliver. Contact us today to see how our commercial mechanical and HVAC solutions can improve your commercial building’s operations, save you money, and give you peace of mind.