Energy-Efficient Patio Doors for Decks and Sunrooms in Loudoun County
Patio doors do more than open to a deck or sunroom, they also sit in one of the most exposed spots in the house. That matters even more in Loudoun County, where hot summers and cold winters put real stress on patio doors, especially on south- and west-facing elevations. How Patio Doors Waste Energy Most energy loss around a patio door starts with air leakage, not the glass itself. A lot of the comfort complaint is not dramatic. It is a small draft near the floor