Outfit your fleet with high-performance bus air conditioning parts and systems from Trans/Air by Lippert. Our products are built for reliability, backed by industry expertise, and engineered to keep passengers comfortable, mile after mile.
Trans/Air was acquired by Lippert in March 2025. This means the parts you used to order on busacparts.com are now on lippert.com.
As a Trans/Air customer, you still have access to our complete catalog of AC replacement parts and excellent customer service. As part of the greater Lippert family, you now also have access to exclusive offers, robust marketing resources, and extensive technical support.
Have questions? Check out our FAQ page for more.
Find the parts you need to keep your fleet moving. From high-efficiency rooftop condensers to durable electrical components and precision-fit hoses, Trans/Air offers a full range of climate control solutions built for commercial, school, and transit vehicles.
Discover top-performing components trusted by fleets across North America. From powerful rooftop condensers to precision-engineered evaporators and compressor mount kits, Trans/Air parts are designed for durability, built for comfort, and ready to install.
Explore the standout solutions that define Trans/Air’s commitment to quality, performance, and reliability.
The SMC3L microchannel skirt-mounted condensers can be used with almost every standard Trans/Air evaporator and compressor combination to complete an optimal climate control system.
The R90 roof-mounted condenser, used in complete Trans/Air systems, is designed for severe duty transit applications or where skirt space is limited or unavailable.
Trans/Air's engine mounts and compressor kits are engineered for precise fitment and long-lasting performance. Simplify your AC system setup with vehicle-specific solutions built to ISO 9001:2015 standards.
For over four decades, Trans/Air has set the standard for bus air conditioning systems, serving school buses, commercial buses, and electric / hybrid vehicle markets across North America. As an ISO 9001:2015 certified manufacturer, we bring precision, performance, and reliability to every product we build.
From rugged rooftop systems to high-efficiency evaporators, advanced electronics, and engine-mounted compressor kits, Trans/Air offers complete solutions to keep your fleet cool and comfortable. Whether you’re replacing a single part or outfitting an entire bus, you’ll find OEM-quality components backed by expert service and support.
Now part of the Lippert family, Trans/Air is more accessible than ever. Explore our line of climate control products and discover why fleet operators, OEMs, and service teams trust Trans/Air to deliver comfort that goes the distance.