Residential and Commercial Garage Door Insulation: R-Value vs U-Factor

When shopping for an insulated garage door, whether for your home or business, you’ll likely come across two terms that seem similar but have different meanings: R-value and U-factor. Both are measurements used to describe how energy-efficient a garage door is, but they do it in different ways. Understanding the difference is key to making the best choice for your climate, comfort, and long-term energy savings.