COMMERCIAL HVAC EMERGENCY ROOFTOP UNIT REPLACEMENT
A sudden failure of commercial HVAC systems disrupts productivity, revenue—even comfort and safety. That’s why Lennox Commercial HVAC has made significant investments to ensure you get the right equipment, expert support and trusted performance exactly when you need it.
Choosing between rooftop unit repair and replacement requires evaluating safety, cost, age, efficiency and reliability of a unit together. That's why we've created a Repair or Replace Guide with clear, technician-aligned framework to remove the guesswork and quickly determine your next step.
The Speed of Direct Access
Lennox streamlines emergency replacement of commercial rooftop units, delivering speed, reliability and direct access to the right products exactly when you need them.
Start Your Replacement Now
Provide project details and receive support to help keep your business running without disruption.
Get Expert Guidance
Receive personalized recommendations from an experienced professional to identify the right rooftop unit replacement solution.
Don't Wait for Quotes
Generate fast, accurate quotes and order locally available, in-stock commercial HVAC equipment—quickly and easily.
PRODUCTS
Designed to Minimize Downtime and Disruption
Designed with backward compatibility for one of the industry’s most common footprints, Lennox Raider® units make installation seamless. Xion™ units, featuring the Lennox® CORE Lite Unit Controller and 100+ field-installed accessories, offer flexibility and efficiency required for your commercial rooftop HVAC unit replacement scenario.
Raider® Rooftop Units
Xion™ Rooftop Units
Faster Access to the Right Products with Expanded Distribution Network
To give HVAC contractors and building owners faster access to commercial rooftop units, we have increased our production capacity and strategically expanded our distribution network across North America. This means we can have rooftop replacement units ready for pick-up or delivery within 24 hours to locations within 500 miles of a distribution center.
When the unexpected happens—choose Lennox for a seamless rooftop unit replacement. 2-hour quotes, 4-hour confirmation & 24-hour shipping.
Repair or Replace?
Understanding when to repair or replace a commercial rooftop unit is essential for managing HVAC reliability and long-term operating costs. Our Repair vs. Replace guide explains the key factors—rooftop unit repair costs, equipment age, system efficiency and overall HVAC performance—that drive the decision to repair or replace your unit. Download the guide to get the guidance you need to make a confident Repair or Replace decision for your commercial rooftop unit.
QUALITY
Trust Lennox for Reliable, Long-Lasting Rooftop Unit Performance
Raider® and Xion™ rooftop units offer the reliability and convenience needed for any commercial HVAC replacement scenario while maintaining the same high standards and premium materials expected from Lennox rooftop units. As one of the leading commercial HVAC manufacturers, Lennox is committed to providing specialized expertise and tailored guidance to ensure your system performs at its best.
Keep Your Next Rooftop Unit Replacement Project On Schedule
In 2024 we made the largest capital investment in our company’s history – adding a second commercial HVAC factory that doubles our production capacity. This expansion ensures that we can deliver high-performance HVAC rooftop unit solutions faster, helping you meet even the tightest deadlines.
Click the video to hear how Lennox is investing in serving you when emergency strikes.
Get an Instant Quote with Commercial Quick Quote
The improved Commercial Quick Quote, available in LennoxPros, gives commercial contractors a faster, easier way to generate quotes and orders for in stock, locally available rooftop units. This self-serve tool is designed to streamline your workflow, helping you get accurate availability and pricing when you need it, without the wait.
Availability You Can Count On
Preview the products that are in stock and ready to ship in your area.
Simplicity That Saves Time
Select multiple products at once, save time with fewer clicks and add everything from your quote to your LennoxPros cart.
Your Full Order, Ready to Go.
By automatically identifying if a curb adapter is needed for your replacement, we remove the guesswork and save you time.
Emergency Replacement FAQs
Get expert answers fast to your emergency replacement rooftop unit questions.
Yes, adding a second commercial factory doubles our production capacity and ensures we can deliver high performance HVAC rooftop unit solutions faster, helping you meet the tightest deadlines. We have a wide range of Raider and Xion products from 2 to 25 tons readily available across North America.
Login to your LennoxPros account to access Commercial Quick Quote and preview the products that are in stock and ready to ship in your area.
With the Texas summer heat, emergency replacements are critical. We have a large service department, and Lennox is our go-to for both new installs and replacement units. Their speed, availability, and support help us keep our customers up and running.
Partner with Lennox Commercial for Emergency Replacement Projects
Not a Lennox contractor yet? Submit the form below to connect with an expert and learn how Lennox supports contractors with fast access to commercial HVAC rooftop units, expert guidance and responsive service when it matters most.
Subscribe to Stay Connected with Lennox Commercial
Commercial Connect is our monthly newsletter that provides news on our latest products, services and innovations in commercial comfort. Fill out the form to sign up to receive industry updates, product releases, promotions, and announcements from Lennox Commercial.
New on the Blog: Strategos® Rooftop Unit Named ACHR NEWS 2026 Commercial Product of the Year