Milgard® C650 Ultra™ Series

Exceptional Strength and Timeless Beauty

The path to perfect windows and doors has never been more clear. From tranquil mornings to family dinners, we seamlessly connect you to what matters most: windows and patio doors that frame life’s most meaningful moments. Exceptionally strong and low-maintenance, the C650 Ultra™ Series windows are made from fiberglass, one of the most durable materials on the window-and-door market. They’re ideal for any style and climate.

Why Choose Emerald City Energy for Milgard Windows

As a Certified Milgard Dealer installing for over 25 years in the Pacific Northwest, Emerald City Energy is the best option for installing new Milgard® V400 Tuscany® Series replacement windows. Our extensive knowledge of local architecture and environmental conditions allows us to find the solution perfect for you and your home. We're not just a window & door company, we're the Puget Sound's Premier Home Contractor.

Emerald City Energy employee installing new replacement windows.

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C650 Ultra™ Series Features

CLASSICAL AND MODERN

Give your home a classic look without sacrificing contemporary color options.

DURABLE FIBERGLASS FRAMES

Fiberglass framing puts less stress on the seals for improved performance and clearer views.

SAFETY AND SECURITY

The Positive Action™ and Cam locking systems exceed forced entry codes, giving you peace of mind inside your home.

ENERGY EFFICIENT

The C650 Ultra™ Series meets all ENERGY STAR® v6 requirements for the best energy performance.

INDUSTRY-LEADING WARRANTY

We stand behind Milgard's products - you’re covered for up to 20 years with Milgard's Lifetime Limited Warranty.

Glass Options

Select clear glass or choose from an assortment of obscure options for privacy in a bathroom or bedroom. Milgard also offers tinted glass for additional shading from direct sunlight.