At Dale's APU Sales, we've established ourselves as Springfield, MO's trusted destination for all your truck Auxiliary Power Unit needs. Our ASE-certified technicians bring over two decades of specialized experience to every refurbished APU repair, replacement, and installation service we provide. As a locally and family-owned business, we understand the critical role your APU plays in your trucking operations, which is why we offer comprehensive solutions for all major brands including Carrier, Green APU, and Thermo King systems. Our commitment to excellence doesn't stop at quality workmanship—we back every refurbished unit with a robust 1-year parts and labor warranty, giving you peace of mind with every purchase or repair. Whether you're facing an emergency breakdown or planning a preventive maintenance visit, our team stands ready to deliver same-day service that keeps your rig running efficiently and your business moving forward.