Profile: Degree Controls Inc provides thermal and airflow solutions for the most demanding applications. The Prontoflow line from us offers a series of solutions for fan controllers, monitoring boards, and fan trays. The Prontoflow control is an off-the shelf programmable controller for thermal management and fan speed control of DC fans. This controller is designed for use in larger fan tray and can control up to nine fans. The flowmarker is a hand-held portable fogger to visualize airflow patterns. We offer a full line of testing services to meet industry performance standards.