Roof Curbs
Wide range of top quality roof curbs, built for performance and durability.
HVAC PRODUCTS
BUILT TO PERFORM AND MADE TO LAST
Lennox AES designs commercial HVAC products and accessories engineered for retrofit and RTU replacement. Our portfolio includes roof curbs and curb adapters, drop box diffusers, supply plenums, and architectural screening. AES Industries, as a trusted roof curb and drop box diffuser manufacturer, delivers brand-agnostic HVAC accessories that support multi-site national projects with speed, quality, and reliable performance.
Curb Adapters
Tailored, customized curb adapter solutions for any customer need.
Drop Box Diffusers
Enhanced airflow, simplified maintenance and enhanced aesthetics .
Service Platforms
Recommended when access to rooftop units is limited, our custom-designed service platforms provide safe, code-compliant access.
Architectural Screening
Used when RTUs can’t be visible, our custom-designed screening solutions fit individual units and ensure compliance with local regulations.
Accessories
Full line of HVAC accessories—including burglar bar inserts, wind supports, curb caps, and extensions.
EXCLUSIVE ANNIVERSARY PROMOTIONS
Qualifying AES Products will be eligible for special savings. Use promo code CURB when requesting a quote. Connect with a Lennox AES expert for offer details.
Orders placed by December 15, 2026 // Shipped and invoiced by December 31, 2026.
Talk to an HVAC Expert
Submit the form and our team will help you explore available offers and determine eligibility.
TERMS & CONDITIONS. Offer valid on orders placed between October 6, 2026 through December 15, 2026 (“Purchase Period”) for orders containing one or more products sold by Lennox AES Industries LLC (“Eligible Products”), subject to availability. Purchase any number of Eligible Products to receive 10% discount off standard unit price. All Eligible Products are subject to availability on a first come, first served basis. Orders of Eligible Products must be completed during the Purchase Period and shipped and invoiced no later than December 31, 2026. Offer valid in the U.S. only. Total promotion amount is dependent on qualifying purchases. Discount on Eligible Products is immediately applied to the standard price and will be applied directly to the invoice of Eligible Products. See your Lennox AES Industries Sales Representative for a full list of Eligible Products. Request a quote or order at lennox.com/commercial-services/aes/connect/product-quote or by emailing sales@aescurb.com. To be eligible for the promotion, customers must mention promo code "CURB" when requesting a quote or placing an order. No limit on the number of Eligible Products purchased. Offer has no cash surrender or other value. Offer not valid with past or future purchases and cannot be combined with other offers or discounts. Purchases on National Accounts are not eligible. Manufacturer Representatives are not eligible. Purchases to Lennox are not eligible. All amounts are U.S. dollars. Promotion is subject to change or cancellation without notice.