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Garage door sensors work by using infrared beams to detect objects in the door’s path. One sensor sends a beam while the other receives it. When the beam is broken—say, by your car or anything else—the sensors signal the door to stop or reverse. It’s all about safety and making sure nothing gets trapped under the door. If they’re misaligned, the beam doesn’t connect, and the garage door might stay open or close regardless of obstructions.

Insulating an unheated garage can still be worth it. For instance, insulating an attached garage can help with heat loss from your house in general, and it can also make it easier to store electronics in your garage without worrying about them being exposed to extreme temperatures.

If you use your detached garage as a workspace, insulation can still make a difference. Plus, you can use space heaters and a window unit AC to help condition the space while you work without installing heating.

For a garage to be included in a home's official square footage, it must qualify as livable space. This generally means it needs to be attached to the home and have permanent finishings like proper insulation, finished walls and ceilings, and adequate ventilation. To be considered livable year-round, it should also have heating and cooling. The specific legal requirements can vary by location, but if a garage is converted into a finished room meeting these criteria, it may be counted toward the total square footage.

The color you choose for your garage door is up to personal preference, but you can opt for several design options when choosing the color. Look for a complementary color to that of your home or choose a monochromatic look by selecting the same color as the rest of the exterior in a different shade.