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50+ Years
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Emergency
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Expert HVAC & Mechanical Services for Commercial Buildings
Since 1948, McKenney's has been a locally owned and operated commercial mechanical contractor shaping skylines in Atlanta and Charlotte. With in-house engineering, fabrication, and commissioning resources, we deliver HVAC, plumbing, building automation, and maintenance solutions for commercial buildings. Our team's expertise spans over seven decades, completing tens of thousands of projects across diverse markets including healthcare, education, and industrial facilities. We prioritize safety, integrity, and customer satisfaction, offering 24/7 emergency services and preventative maintenance plans.

Our commitment to innovation includes LEED-certified projects, energy-efficient retrofits, and cutting-edge automation systems. As an equal-opportunity employer, we invest in employee development and community partnerships, maintaining a Behavior-Based Safety program that achieves world-class safety performance. Our self-performance model and regional campuses ensure accountability at every project phase, from preconstruction to long-term service agreements.
Services
HVAC Systems Plumbing Services Building Commissioning Retrofit Solutions Energy Analysis Automation Controls Preventative Maintenance LEED Certification Emergency Repairs System Upgrades
Details
  • Year established: 1948
Highlights and features
  • 75 years of commercial mechanical contracting experience
  • In-house engineering and fabrication capabilities
  • LEED-certified project expertise available
  • 24/7 emergency service with local technicians
  • Behavior-Based Safety program with industry-leading performance
What people say
Exceptional service Technical expertise Reliable partners Safety focus Energy savings
Services
HVAC Systems
We design, install, and maintain commercial HVAC systems with energy-efficient solutions. Our services include chiller rebuilds, air handling unit replacements, and controls retrofits. With 75 years of experience, we ensure optimal system performance through preventative maintenance and emergency repair services that minimize downtime while maximizing energy savings and occupant comfort.
Building Commissioning
Our commissioning process ensures peak performance of building systems through functional testing and performance analysis. We evaluate equipment operations, DDC system integration, and energy efficiency metrics for both new construction and existing buildings. This systematic approach identifies improvements that reduce energy consumption while maintaining occupant comfort and system reliability.
Energy Analysis
We conduct comprehensive energy assessments to identify conservation measures and develop cost-saving strategies. Our analysis includes hourly simulation modeling, system deficiency diagnosis, and capital planning options. By implementing recommended improvements, clients achieve measurable reductions in utility costs while enhancing building performance and asset value through data-driven decision making.
Automation Controls
Our automation solutions integrate HVAC, lighting, and plumbing systems through open-protocol controls. We design, install, and service building management systems that enable real-time monitoring and remote access. These intelligent systems optimize energy usage, improve occupant comfort, and provide predictive maintenance alerts through cloud-based platforms that enhance operational efficiency.
Retrofit Solutions
We implement equipment change-outs and system retrofits to modernize aging infrastructure. Our services include pneumatic to DDC control conversions, SWUD controller replacements, and energy-efficient component installations. These upgrades reduce operating costs while extending equipment lifespan through strategic modernization that aligns with current technology standards and sustainability goals.
Questions
What HVAC services does McKenney's offer?
We provide complete HVAC solutions including system design, installation, maintenance, and emergency repairs for commercial buildings.
Do you provide 24/7 emergency services?
Yes, we offer 24/7 emergency response with local technicians available in Atlanta and Charlotte metropolitan areas.
Can you handle LEED-certified projects?
Yes, we have LEED Accredited Professionals and extensive experience with LEED-certified projects from Certified to Platinum levels.
What building types do you serve?
We work with healthcare facilities, corporate campuses, government buildings, educational institutions, and industrial facilities.
Do you offer preventative maintenance plans?
Yes, our Service Shield™ program provides customized preventative maintenance to reduce downtime and extend equipment life.
Are you a local company?
Yes, we're locally owned and operated with campuses in Atlanta and Charlotte serving the Southeast region.