Compare the complete door
Ask which construction and insulation specifications apply to the model being quoted. Avoid comparing a single insulation value without checking what it describes.
Discuss the rest of the space
The door is one part of the garage enclosure. Gaps, windows, walls and how the space is used affect comfort, so a new door cannot promise a fixed indoor temperature.
Balance style and practical needs
Compare panel styles, finishes, windows and equipment compatibility alongside insulation. Ask for the product specification in writing before making the final choice.
