RigMaster APU

Ensure your RigMaster APU compressor keeps your auxiliary power unit operating smoothly with high-performance solutions from American Radiator, based in Des Moines, Iowa. Designed for the rigorous demands of accessory power units in commercial and heavy-duty applications, our aftermarket RigMaster A/C compressors are engineered to meet or exceed OEM specifications—from proper mounting and clutch engagement to full refrigerant compatibility—ensuring your unit runs efficiently and reliably.

When your APU’s air-conditioning system starts showing signs of struggle—warm output, irregular clutch activity, or weak cooling—our industry-grade RigMaster compressors are built to restore peak function under nonstop duty conditions. With expert help from our Des Moines team, you’ll identify the exact match for your system and secure the right part quickly. We serve fleet managers and operators across the Midwest and nationwide who count on fast shipping and service from American Radiator.

Trust American Radiator for heavy-duty HVAC solutions including RigMaster APU compressors that deliver proven performance, durable fitment, and the dependability your operation demands. Built for the challenge and backed by expertise, we’re your go-to partner to keep auxiliary systems cool, efficient, and consistently on the job.