What Laurel Homeowners Should Know About ENERGY STAR Window Ratings
What The ENERGY STAR Label Actually Tells You In Laurel, the ENERGY STAR mark is useful because it separates windows that merely look efficient from windows that are tested for performance in a climate like ours. Maryland's Climate Zone 4A conditions are a mixed bag, with humid summers, cold snaps, and plenty of shoulder-season weather that can expose weak windows fast. ENERGY STAR does not mean every certified window is the same. If a salesperson cannot explain