Your trusted local experts for windows, doors, and decks. Serving Mercer Island and the Eastside.
From North End to East Seattle, First Hill to The Lakes, we've completed thousands of installations throughout Mercer Island and the Eastside. Our team knows the area and delivers professional installation every time.
Mercer Island's climate—with abundant rainfall and temperatures ranging from the 30s to 80s—creates unique energy challenges. Old, inefficient windows and doors force your heating and cooling systems to work overtime. With Puget Sound Energy rates continuing to climb, those energy losses add up quickly.
Our energy-efficient windows and doors help Mercer Island homeowners save money while staying comfortable. Plus, many of our products qualify for local utility rebates and federal tax credits, making your investment even more affordable.
Answers to the questions Mercer Island homeowners ask us most about windows, doors, and decks.
Read verified reviews from neighbors across Mercer Island and the greater Puget Sound.
Tell us about your project and our Mercer Island-area specialists will follow up with a free, no-pressure estimate — most within 24 hours.
Three Puget Sound locations where Mercer Island homeowners can see, touch, and compare products before they buy.
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Contact Emerald City Energy today for a free, no-pressure consultation. Our Eastside specialists will visit your home, discuss your needs, and provide a detailed estimate. We'll show you how energy-efficient windows, doors, and decks can transform your Mercer Island home while reducing your energy bills.