Welcome to the HVAC Electrical Voltage Drop Calculator (3-Phase)!

Efficient electrical design is crucial for HVAC systems, and voltage drop is a critical factor in maintaining optimal performance. Our calculator assists you in determining the potential voltage drop in a 3-phase electrical circuit, helping you make informed decisions about conductor sizing and system integrity.

Enter the distance, current, and conductor size (in AWG or kcmil) to calculate the voltage drop. The calculator employs the NEC formula to provide an estimate of voltage drop, enabling you to evaluate the impact on voltage levels and make adjustments for optimal operation.

Whether you're planning a new HVAC installation, troubleshooting an existing system, or aiming to ensure efficient power distribution, our calculator equips you with valuable insights into voltage drop considerations. Enhance your HVAC projects with precision and reliability!