energy star portfolio manager

Commercial Energy Savings Calculator

FREE TOOL FOR PROPERTY OWNERS

Energy Savings Calculator | ecofi
1 Property Details
Gross square footage
Source: EIA Form 861, 2024 commercial sector rates (most recent complete annual data; released Oct 2025)
Efficiency Target 20%
5% minor upgrades 50% full retrofit
2 Current Energy Usage
Your total monthly electricity cost in dollars
From utility bills or ENERGY STAR Portfolio Manager
Available in ENERGY STAR Portfolio Manager

Your Estimated Savings Potential

Annual $ Savings
10-Year Value (NPV)
CO₂ Avoided (metric tons/yr)
kWh Saved Annually
average U.S. homes/yr
💰
Monthly Savings
Immediate cash flow improvement
📊
Your Current EUI
EPA national median: kBtu/sq ft
🌿
Target EUI After Upgrades
Based on your efficiency target
EUI Benchmark Comparison (kBtu/sq ft/yr)
Your Building
EPA Median
Your Target
Annual Savings by End Use (EIA CBECS)
HVAC (40%)
Lighting (25%)
Water Heat (12%)
Plug Loads (23%)
Methodology & Data Sources

EUI Benchmarks: EPA ENERGY STAR National Median Site EUI, Aug 2024. Source ↗

Electricity Rates: EIA Electric Power Monthly, commercial sector by state, Nov 2025. Source ↗

CO₂ Factor: EPA eGRID national average 0.386 kg CO₂/kWh. Source ↗

End-Use Split: EIA CBECS 2018 — HVAC 40%, Lighting 25%, Water Heating 12%, Plug Loads 23%.

10-Year NPV: Base-year savings compounded at 3% annual energy cost escalation.

Results are estimates for planning purposes. Contact ecofi for a site-specific assessment.

Ready to Build Your Strategy?

Getting a sustainability strategy to work takes know-how and staying on it across all your properties. Ecofi brings you solutions built specifically for commercial real estate. We help property owners hit their environmental targets while making more money. Give us a call at 786.600.0620 or check out our contact page to talk about what you’re trying to accomplish.

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