Window PremierAcCovers - Air Conditioner Cover - Window/thru Wall - 2PC SET - Outdoor/Indoor - 24W, 16H, 16D AND 24W, 16H, 4D - GRAY All our Covers are made in America using American Materials and Labor. Customer feedbacks agree .. this is the answer for Winter protection For more sizes and styles type PremierAcCovers in search bar. Full 2 year manufacturer's warranty