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Garage Door Energy Efficiency Calculator
Understand the energy efficiency of a garage door based on its R-value and your climate.
Understanding R-Value
The R-value of a garage door measures its thermal resistance—its ability to prevent heat transfer. A higher R-value means better insulation. An insulated garage door can help maintain a more stable temperature in your garage, reduce energy consumption in your home (if the garage is attached), and even make your home more comfortable by buffering it from extreme outside temperatures.