HVAC Replacement Services That Work on Your Schedule — or in a Crisis

Whether you’re planning ahead or facing an unexpected failure, Lennox NAS has you covered. Our Planned Replacement Program helps you stay ahead of aging equipment with strategic, brand-agnostic replacements tailored to your budget and operations. And when emergencies strike, our Emergency Replacement Program delivers fast, expert installation through our nationwide, self-performing network—so your facilities stay running without delays or surprises.

Hvac-replacement

PLANNED REPLACEMENT BENEFITS

Plan Ahead and Replace on Your Terms

As HVAC systems age, repairs can become more costly than replacements. The Lennox NAS Planned Replacement Program helps you stay ahead by identifying aging units and developing a strategic, proactive replacement plan — tailored to your operational and budget needs.​

Our expert team works with you from start to finish to evaluate options and ensure a smooth installation process regardless which brand you choose.

Fewer Failures

Fewer emergency failures and unplanned costs.

Expert support

Expert support from evaluation to installation​ of any equipment brand.

Planning

Predictable budgeting and lifecycle planning.

Budget flexibility

Tailored to CapEx or OpEx depending on budget needs.

EMERGENCY REPLACEMENT BENEFITS

Emergency HVAC Response, When and Where You Need It

When an HVAC emergency hits, downtime isn’t an option. Lennox NAS responds fast with nationwide, self-performing teams trained to restore critical operations quickly and reliably — wherever you are.​

With 130+ locations and consistent service standards coast to coast, our Emergency Replacement Program ensures that your facilities stay open, comfortable, and compliant — no delays, no surprises.​

Quick

Rapid response and expert installation.

Nationwide

National coverage with local execution.

Quality

Consistent quality and service at every site.

Commercial HVAC Replacement | Lennox NAS