Low-e windows coatings have been around since the 70's. They have gotten better over the decades, but I can't say how much they've changed. When buying new windows, this is a very common and cheap option.
The other thing the builder did foam insulation of the garage doors and walls. Easily 20F difference from my previous house in the same area. Reflective ridged insulation in the attic too. My old house 110 easily, in the summer. It is basically the same temp as the outside now. Cost for the AC is basically half what my pervious house was. I would go for awnings at this point as it is basically one of the few things left I could realistically do. But HOA...