Reliable HVAC Services For Multi-Site Operations
Backed by a 130-year HVAC legacy, Lennox NAS delivers turnkey service programs, expert support, and nationwide reach - built to reduce downtime, cut costs and power performance across all your locations.
WHY LENNOX NAS
Commercial HVAC Services for Multi-Site Companies
We don't just support multi-site businesses; we specialize in them. Our systems, people, and processes are built to meet the demands of large-scale operations. That's why leading brands trust Lennox NAS to keep their environments, comfortable, efficient, and operational.
Direct service with no middleman
Nation-wide coverage with local execution
Brand-agnostic expertise
WHO WE SERVE
HVAC Solutions Built Around Your Industry
We deliver HVAC services to multi-site businesses and school districts — engineered for uptime, cost control, and consistent service.
Retailers
We deliver reliable HVAC service that keeps your stores comfortable, costs predictable, and operations running smoothly across every location.
Supermarkets
Restaurants
Food Processing
Healthcare
Logistics and Distribution
School Districts
WHAT WE OFFER
Comprehensive HVAC Programs for Multi-Site Operations
For over two decades, we've supported business with preventive maintenance, HVAC repairs and replacements that improve energy efficiency and reduce downtime. Our goal is keep your buildings running while cutting overall costs.
Preventative Maintenance
Proactive HVAC care that cuts costs, extends equipment life, and reduces downtime—tailored for multi-site businesses.
Service and Repair
Fast, reliable HVAC repairs that get your systems back online—no matter your plan, we act quickly to restore performance.
HVAC Replacement
Plan ahead or act fast—our replacement programs deliver expert, brand-agnostic installs with zero disruption to your sites.
Startup & Commissioning
Our 64-point Equipment Operations Check ensures safe, efficient startup—catching issues early to prevent future failures.
WHAT ENABLES SUCCESS
Tools That Power Performance
Behind every service call is a system built for scale—tools, training, pricing, and support that keep your HVAC operations running smarter and smoother.
HVAC Repair Pricing
NAPLR (National Accounts Parts and Labor Rates) gives you fixed, nationwide HVAC repair pricing—no quotes, no surprises, just fast approvals and predictable costs.
Analytics & Reporting
Turn service data into smarter decisions. Our analytics help track spend, performance, and SLAs across all your locations.
Training Center
We train techs to exceed expectations. Our in-house Training Center builds skilled pros through hands-on learning and certification.
Dedicated Customer Support
Every account gets a dedicated manager and 24/7 call center access—so help is always a call or email away, anytime, anywhere.
SEE THE LENNOX NAS DIFFERENCE
SIMPLIFY HVAC SERVICING
Quote Your Next Project
Request a quote to get connected with a dedicated and responsive Lennox NAS sales representative.