HVAC Skill Level Challenge: 20 Questions to Uncover Your Hidden Expertise!Variable Frequency Drives (VFDs) optimize energy use by:54%Next Post Correct Incorrect VFDs reduce fan/pump speeds during low load, cutting energy consumption by up to 50%. Variable Frequency Drives (VFDs) optimize energy use by: Increasing refrigerant pressure Heating duct air Adjusting motor speed to demand Filtering particulates 54%
