• Display of EnduroAir product matched sets of air handlers and AC units

    EnduroAir: The R-454B Solution

    The EnduroAir product line is designed to bring you quality HVAC equipment for R-454B refrigerant technology at great Surplus City rates. Come experience the difference where affordability meets availability.

    The EnduroAir product line is designed to bring you quality HVAC equipment for R-454B refrigerant technology at great Surplus City rates. Come experience the difference where affordability meets availability.

Know the Facts

R-454B is part of the A2L class of low-GWP refrigerants that meet evolving EPA standards. EnduroAir brings you that compliance—without complexity or disrupting the way you work.

With EnduroAir, We’re Bridging the Past to the Future

Here, we’re all about high-quality parts and outstanding service every step of the way. EnduroAir is sold as AC and coil sets, and it’s the result of a proud partnership between Surplus City and Carrier. It’s quality you can count on.

NEW TO SURPLUS CITY?

We’re known for our loyal customer base - pros who depend on us for fast shipping and no-nonsense pricing.

By introducing a private label, Surplus City is able to offer consistent availability and better price control that you won’t find with other suppliers. It’s the same Carrier-made equipment you trust—now backed by our support and ready for you with fast shipping.

The Equipment You Trust at Prices You’ll Love

Surplus City’s unmatched value is getting even better with our private label solution for R-454B refrigerant. It’s a more affordable unit without compromising performance. Plus, for the first time ever, we’re able to control the stock levels we have on the most in-demand AC sizes: 2 ton, 2.5 ton, and 3 ton air conditioners.

EnduroAir is ideal for contractors who want reliable installs, wholesalers looking to stock fast movers, and service techs ready to adapt to regulation changes—all while keeping their customers cool and compliant.

EnduroAir air handler in corner of room

In an ever-evolving industry, you can count on EnduroAir to deliver affordable AC solutions that help you capture new business.

Our goal with Enduro is to lower your stress and boost your success. Whether you’re scaling your service business or trying to avoid backorders on standard sizes, EnduroAir gives you the flexibility and confidence to say yes to more jobs while keeping your budget in check. You get low costs, plus immediate availability. What could be better?

Don’t sacrifice your workflow.

Choosing EnduroAir helps you save money while minimizing down-time.

  • Backed by the Standard 5-Year Carrier Warranty

  • Available for Fast Shipping Direct from Our Warehouse

  • In-Stock Air Conditioners: 2 Ton, 2.5 Ton, and 3 Ton

EnduroAir AC unit outside with mulch

Get Ahead of the Regulations. Go with Enduro!

Our equipment utilizes the all-new A2L (R-454B) refrigerant, meaning you’ll be in the clear of the regulatory impacts hitting in January 2026. We’re ready and stocked up for market demand. All you need to do is place your order to get ahead of the game too.

Future-proof your inventory and protect your bottom line. With EnduroAir, you’re not just compliant—you’re confident.

We ship fast from our own warehouse—no third-party delays. When we say it’s in stock, it’s in stock.

EnduroAir air handler in concrete space

Building on a Long-Term Partnership

When Surplus City was founded 50 years ago, our very first partner was Carrier. We’re now proud to continue the tradition with Carrier’s unbeatable quality and our high value offerings. This collaboration gives HVAC technicians and business owners everything they need to help their customers keep cool while staying compliant with today’s changing regulations.

Carrier’s commitment to performance, paired with our mission to deliver affordability and availability, makes EnduroAir the go-to option for HVAC pros who need to move fast—and stay competitive.

EnduroAir equipment is your in-stock, affordable solution for a changing industry.

Need help choosing the right unit? Want to speak with someone who knows your business? Our team is ready to help—whether you’re buying for a single install or managing a multi-unit order. Go ahead and place your order, or contact us today to learn more about our available products. We’d be happy to serve you.