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Both calculators run independently — change the inputs on either side to compare results.

Building Cooling Cost & Emissions Calculator

Calculate annual air conditioning electricity costs based on building size, SEER rating, and local climate. Use it when budgeting HVAC upgrades or comparing the operating cost of different cooling systems.

Building Size (sq ft)

Cooling Days per Year

HVAC System SEER Rating

Electricity Rate ($/kWh)

Thermostat Setting (°F)

Fill in the required fields to see your result.

Climate

Renewable Energy Investment ROI Calculator

Estimate the 25-year return on investment for solar, wind, or geothermal installations. Use it when comparing system sizes, incentive packages, or electricity rate scenarios before committing to a renewable energy project.

System Capacity (kW)

Total Installation Cost ($)

Tax Credits & Rebates ($)

Current Electricity Rate ($/kWh)

Annual Rate Increase (%)

Fill in the required fields to see your result.

Key differences

	Building Cooling Cost & Emissions Calculator	Renewable Energy Investment ROI Calculator
Category	Climate	Climate
Inputs required	5	5
Result	Annual Cooling Cost ($)	25-Year ROI Percentage (%)
What it does	Calculate annual air conditioning electricity costs based on building size, SEER rating, and local climate. Use it when budgeting HVAC upgrades or comparing the operating cost of different cooling systems.	Estimate the 25-year return on investment for solar, wind, or geothermal installations. Use it when comparing system sizes, incentive packages, or electricity rate scenarios before committing to a renewable energy project.