Often yes for additions and roofed enclosures. Requirements vary by property, city and neighborhood, and your local office and any HOA make the final call. We explain what usually applies and help you prepare.

Low-E glass has a very thin coating that helps reflect heat while letting light through. Different coatings suit hot or cold priorities, and we help you choose for your room’s direction.

It can be without a plan. Glass choices, roof design, shades, fans and cooling all help, and our Sun and Shade Planner and Season Comfort Explorer show what to expect.

Often yes. We look at the slab or deck structure, the roof and the house wall and tell you plainly what is practical. Decks may need a structural check first.