Energy-Efficient Windows for Virginia Climate Zone 4A Homes
What Matters Most In Virginia Climate Zone 4A Virginia's climate zone 4A brings both heating and cooling demands, which means a window that looks fine on paper can still feel drafty in January or too warm in July. If a window has the wrong combination, you can end up with rooms that are chilly near the glass in winter or stubbornly hot in the afternoon, even with the HVAC running. The job is to match the glass package to the wall, the orientation, and how the room