• Service Calls: (678) 966-0094

Atlanta HVAC/R, Plumbing, and Pipefitting Projects

Projects

Willis Mechanical delivers comprehensive commercial HVAC and refrigeration project services with a strong emphasis on complex retrofit and modernization work for occupied facilities. Our team specializes in upgrading aging mechanical systems, replacing rooftop units, chillers, boilers, VRF systems, and refrigeration equipment with minimal disruption to operations. We regularly execute multi-phase retrofit projects in healthcare, industrial, cold storage, data center support spaces, retail, and institutional environments where safety, scheduling, and coordination are critical. From engineering coordination and equipment procurement to demolition, installation, controls integration, and commissioning, we manage the full lifecycle of commercial HVAC projects with a focus on energy efficiency, code compliance, and long-term reliability.

In addition to retrofits, Willis Mechanical also performs ground-up commercial mechanical construction, providing complete HVAC, refrigeration, plumbing, and mechanical piping scopes for new facilities and major expansions. Our construction capabilities include design-build and plan-and-spec delivery, value engineering, BIM coordination, prefabrication, and fast-track scheduling to meet aggressive project timelines. Whether supporting a tenant fit-out, warehouse, manufacturing plant, grocery store, or large mixed-use development, we bring the same disciplined project management and quality craftsmanship that define our retrofit work. For clients seeking a single contractor for full-scope commercial mechanical projects, Willis Mechanical offers the experience, manpower, and technical depth to deliver on time and on budget.

• Streamlined production processes
• Budgeting and cost control
• Broad expertise in project type
• Past performance history
• Large and small jobs with expedited schedules
• Pre-construction services
• In-house fabrication

Licensed and/or Certified in:
• HVAC
• Welding
• Master Plumbers
• EPA Universal Technicians
• Class I, II, and III Boiler Certification

Project Experience

• Pharmaceutical
• High Purity Processes
• Research Facilities
• Clean Rooms
• Laboratories
• Central Utility Plans
• Office Buildings
• Schools
• Universities
• Data Centers
• Hospitals
• Food Processing Facilities
• Telecommunications

Willis Mechanical maintains a safe, drug free environment, offering our clients timely, high quality services to meet strict clients’ specifications.

Our qualified team of engineers provides our clients with design build construction services. Whether it’s a new or renovation project, we work with our client’s contractor or architect to design a system that works best for their needs. Taking building size, overall design, and energy concerns into mind, we formulate the best plan to save time and money for our clients.

Retrofit Services

As an HVAC system ages, issues and extensive repairs are inevitable. Retrofitting is a cost-effective way to modify your system to better meet needs and efficiency standards without a complete replacement. With a control retrofit, an existing unit is modified with new parts that offer an upgrade. Our construction team will guide you from start to finish in what is best for your systems as we will be to accommodate your specific needs through our expertise and refined skills. Our highly skilled team will deliver outstanding results at the appropriate cost for you and your company.

Pre-Construction

We recognize the importance of precise project design during the beginning phases of our client’s projects. We pay attention to every detail all the way through to execution. Our pre-construction services include budget estimating, system analysis, and site condition surveys. Our engineers will be able to give insight in innovative design concepts, cost analysis, and operational efficiency. With our extensive expertise in all project types, we can provide the utmost service and performance for your ventures.

Our Process

Whether our clients are engaged in new construction, renovation, or retrofitting, we believe they have a right to expect a job that is done to their exact specifications. That is why we are committed to delivering cost-effective, high-quality services that meet, and exceed, their toughest requirements. To achieve this we offer:

Projects

Willis Mechanical’s expertise is in complex, high quality projects. With experience in the aviation, pharmacetiucal, and military industries, we have the skills to tackle any project, no matter how big or small.

Let’s get to work.

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