How much can a cool roof reduce cooling costs?

Cool roofs reduce peak cooling demand by 10-40% and annual cooling costs by 7-15% in hot climates. Savings are minimal in cold climates.

What makes a roof 'cool'?

High solar reflectance (SRI ≥ 78 for low-slope) and thermal emittance. White coatings achieve reflectance of 0.65-0.90; standard dark roofs have reflectance of 0.05-0.20.

Cool Roof Coating Albedo Heat Reduction Calculator

Formula Definitions

The Cool Roof Coating Albedo Heat Reduction Calculator works by applying a well-defined formula to the values you enter. Understanding the formula behind the calculation helps you interpret the result and check that your inputs are correct. Below we break down the key components that drive the Cool Roof Savings.

The core formula used by this calculator is:

Result = f(inputs, settings)

Each variable in the formula has a specific meaning:

inputs — Values entered into the Cool Roof Savings.
settings — Options, units, or parameters that adjust how the calculation is performed.
Result — Computed output for the chosen inputs and settings.

How to Use This Calculator

Enter the required values. Enter the required values into the Cool Roof Coating Albedo Heat Reduction Calculator input fields.
Adjust settings. Adjust any settings, select applicable options, or choose units as needed.
Calculate the result. Press Calculate to compute the result using the underlying formula.
Interpret the output. Review and interpret your result using the provided context, reference ranges, or explanatory notes.

Glossary and Definitions

Input: A value entered into the calculator to be processed.
Output: The computed result returned by the calculator for the given inputs.
Setting: An option that adjusts how the calculation is performed, such as unit selection or mode.
Cool roof savings: A key concept referenced by the Cool Roof Savings: Calculate the energy savings from applying cool roof coating to increase solar reflectance (albedo). Model peak cooling load reduction, annual energy savings, and payback period for different roof types and climate zones.
Roof albedo energy savings: A key concept referenced by the Cool Roof Savings: Calculate the energy savings from applying cool roof coating to increase solar reflectance (albedo). Model peak cooling load reduction, annual energy savings, and payback period for different roof types and climate zones.
Reflective roof coating: A key concept referenced by the Cool Roof Savings: Calculate the energy savings from applying cool roof coating to increase solar reflectance (albedo). Model peak cooling load reduction, annual energy savings, and payback period for different roof types and climate zones.
Cool roof payback: A key concept referenced by the Cool Roof Savings: Calculate the energy savings from applying cool roof coating to increase solar reflectance (albedo). Model peak cooling load reduction, annual energy savings, and payback period for different roof types and climate zones.

Related Calculators

Triple-Pane Window ROI

Miscellaneous Niche

Green Roof Weight Load