You can also get UV/IR-reflective coatings on your windows, either in the glass when they're installed or as aftermarket foils on existing ones. We have them on

You can also get UV/IR-reflective coatings on your windows, either in the glass when they're installed or as aftermarket foils on existing ones. We have them on all of our sun-side-facing windows and they do a great job. They also provide privacy if you use the heavier-duty commercial-grade ones, which look like a mirror from the outside.