Bergstrom Inc. is the leading designer and manufacturer of cab climate systems for heavy-duty commercial trucks, off-highway machines and specialty vehicles. One of the many products they produce is the NITE no-idle system. The battery-powered NITE (No-Idle Thermal Environment) no-idle system saves fuel, keeps drivers comfortable and helps protect the environment. We built an iOS app along with a custom Bluetooth™ module to integrate with the NITE system. The app allows users to control the temperature of the truck cab from their phone as well as receive diagnostics and service messages.