INDUSTRY-LEADING SERVICE PROGRAMS

Preventative Maintenance & Full Protection programs built for reliable, cost-effective HVAC performance at scale​.

 

Maintenance

WHAT YOU GET

BENEFITS AT SCALE

Our tailored programs do more than maintain HVAC systems — they create consistency across every location. With standardized checklists, proven workflows, and clear reporting, you get predictable results and compliance you can trust.

Comprehensive Checks for Fewer Emergencies

From filters and belts to refrigerant levels and electrical components - each visit includes 40+ inspection points.

Predictable Budgets & Savings

Exclusive flat-rate repair pricing (NAPLR) can save you up to 20% compared to traditional time-and-materials billing

Multi-Site Consistency Nationwide

With our technician network spanning across the country, we ensure you get consistent service protocols and reporting, no matter where your buildings are at.

Preventive maintenance

PREVENTATIVE MAINTENANCE

Our Preventative Maintenance (PM) Program offers the broadest scope of work in the HVAC industry — engineered specifically for national account needs. Lennox NAS technicians follow a comprehensive 40+ point checklist to assess the condition of your equipment, delivering quarterly reports that help you plan smarter and act faster.

With a brand-agnostic approach, we service all major HVAC systems — ensuring consistency and flexibility across your entire portfolio.

FULL PROTECTION

Lennox NAS Full Protection is a turnkey HVAC program that combines proactive maintenance and complete repair coverage into one predictable monthly fee. This program eliminates guesswork from HVAC Management—helping your team reduce risk, streamline service, and stay focused on operations, not equipment issues.

 

What’s Included:

  • Proactive maintenance – filters, coil cleaning, belts, and quarterly PMs

  • Repairs for all internal HVAC components – labor and materials covered

  • Reactive service – no quotes, no invoices, no delays

why lennox aes
Commercial HVAC Preventive Maintenance | Lennox NAS