Energy Efficient Windows for Maryland Climate Zone 4A Homes
What Energy Efficient Windows Need To Handle In Maryland 4A Because Maryland falls in climate zone 4A, windows need to perform across a wide swing of weather, from muggy summer air to cold, damp winter nights. It is one reason energy efficient windows for Maryland climate zone 4A homes need more than a basic frame and two panes of glass. A good window in this region should slow heat transfer, limit drafts, and help control condensation without making the house feel