WHO WE SERVE
NATIONAL ACCOUNTS
When consistent comfort and efficiency across every location matters, you need an HVAC partner you can count on.
Lennox simplifies the entire HVAC lifecycle with one point of contact—from equipment to service and beyond. Backed by National Account Services (NAS) and AES, we offer certified maintenance, repair, and replacement for all brands across North America. Whether you're managing 20 restaurants or 200 retail stores, our nationwide, self-performing network ensures fast, reliable service and total accountability at every step.
The Direct Effect
Direct access to the expertise, tools, and support you need.
Commercial Solutions at Your Scale
A single point of contact for the full HVAC lifecycle. Get everything you need to maximize uptime and lower your total cost of ownership with a single point of contact.
The Speed of Direct Access
Get direct access to commercial HVAC solutions from a trusted partner so you can keep your facilities running efficiently with minimal downtime.
With You Every Step of the Way
Streamline operations across your locations with dedicated support, digital tools, and strategic guidance designed to improve efficiency, provide valuable insights and help you plan for the future.
Business-Focused Solutions
Skip the learning curve and get tailored, business-focused HVAC solutions quickly with Lennox National Account support.
Our deep expertise across major commercial sectors—including retail, restaurants and healthcare—means we understand your operational priorities. From energy efficiency and total cost of ownership to customer comfort and environmental impact, we're equipped to deliver scalable solutions that align with your business goals.
Trusted Partners
Optimize performance and reduce costs and complexities with a direct line to Lennox National Account sales support, ensuring faster turnaround times and tailored solutions.
Work directly with a dedicated team that understands your business and integrates seamlessly into your process.
Streamline store takeovers with fast, reliable HVAC solutions designed and delivered to meet your immediate needs.
Connect
Enjoy priority attention, expert support and fast, reliable service every step of the way, with a National Accounts team that puts you first.
Take control with our turnkey planned replacement program so you can proactively replace aging equipment on your terms and budget.
Gain a competitive edge in managing your portfolio with actionable insights on how building trends, code changes and economic shifts can impact your facilities nationwide.
AES Industries
Perfect Fit for Your HVAC Replacement Program
With 35 years of experience, AES proudly serves some of the largest corporations and commercial contractors in North America, delivering speed, quality and reliability at every step. From roof curbs and drop box diffusers to architectural screening, the broad product range and hands-on project support ensure seamless execution—on time, every time.
AES Mechanical
Precise, Nationwide Planned HVAC Replacement
With dedicated teams, self-performing crews, and deep experience in large-scale, multi-site HVAC replacement projects, AES Mechanical provides turnkey solutions that minimize disruption and ensure quality. Licensed technicians follow strict safety standards, project managers handle everything—from permits to final closeout—so customers can count on smooth, on-time execution every step of the way.
AES Recycle
Effortless HVAC Recycling
With over 15 years of experience, AES Recycle provides a free, EPA-compliant recycling solution for any HVACR brand—managing everything from unit pickup to refrigerant recovery, proper disposal, and detailed sustainability reporting. This process helps customers meet environmental goals, all while ensuring full regulatory compliance.
Let's Get Direct
Get in touch with the National Accounts team to lower your total cost of ownership with a single point of accountability.
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