Location Selection

Selected State/Region: --

KW Cost ($/kWh): 0.00

Selected City: --

Enter Square Footage of space OR Unit Size (tons) if known.

HVAC tonnage refers to the heat transfer capacity of the system. Typically, 600 square feet = 1 ton of HVAC, rounded up per floor.

Note: This calculator simplifies sizing and should not be used for actual HVAC installation.

Calculated Tonnage: 0 tons

HVAC Unit Efficiency (SEER) Selection

Energy Cost Analysis

% Refrigerant/Freon Lost Additional Energy (kW/hr) Additional Cost ($/yr)

Note: Unit will stop working completely in the 50-60% refrigerant loss range.

Energy and Cost Visualizations