HVAC Energy Audit Calculator

Calculate potential energy savings from common HVAC efficiency improvements.

Current annual HVAC energy consumption.
kWh
Enter 1 to add air-side economizer.
Enter 1 to add variable frequency drives.
Enter 1 to upgrade to DDC controls.

Results

Total Energy Savings-kWh
Percentage Savings-%
Annual Cost Savings ($0.12/kWh)-$
References: ASHRAE Handbook - HVAC Applications, Chapter 36. Energy audit procedures and typical HVAC efficiency improvement measures.