A major big box store now carries three TWV Series Patio Cover sizes in high snow loads, exclusively at Costco.
The 8 ft deep x 12 ft wide, 8 ft deep x 20 ft wide and 10 ft deep x 20 ft wide patio awnings are sold online online and delivered to your door within 2 weeks from date of purchase.
Check out the assortment at this link: Heritage Patio Covers | Costco