@Forest Lake. My garage faces dead east. Its bright in the morning and at certain times of the year the sun hits directly on the glass. Personally I find no excessive heat or cold with the doors. The most important thing I have found is that in SoCal, I save alot on electricity bc I don't have to turn in the lights. :-)

No experience with fiberglass doors. Looking at the vendor's web site, though, the warranty on the FG doors is noticeably less - 3 years vs. lifetime for steel. Also, comments like 'thermal bowing, etc.' aren't considered efects - sounds like they know the doors aren't absolutely stable. They do look nice in the pics! Very good R-value also. Although more plain looking, it appears that an insulated steel door will last much longer.

Wayne Dalton has been around for a long time and offers entry level to luxury doors.

This may not apply for your particular case, but: Check the Amarr website for the actual design layout of the garage door you chose and the width of your door opening. You need to look at the specs for this info - the modeler tool on the website wasn't accurate. I was going to use Amarr for a carriage style door, but I had a narrower width opening...and they did that size in 3 panels. I wanted 4 panels, so I chose another manufacturer.