Experience with the following equipment: Electric Motors (3-phase and 1-phase), Electric motor controls (contactors, starters, relays, disconnects, transformers, etc.), Various types of water pumps, Intake and exhaust fans, Economizers, Humidifiers, Variable Frequency Drives (VFDs), Electrical component troubleshooting, Understands VFDs - Can Delete, repeat. Our custom computer room air handling units (CRAHU) are industry leading examples of some of the most highly energy efficient and sophisticated cooling systems in the world.