4th of July Blowout — Save up to 25% on replacement windows through July 31
3 Puget Sound Showrooms (425) 228-1792
Bright modern kitchen with a large energy-efficient Milgard Ultra window
Emerald City Energy · Since 1997

Windows that frame
your home in light.

Energy-efficient replacement windows, expertly installed across the Puget Sound. Premium brands, master craftsmanship, and a warranty you can feel for decades.

MilgardAndersenSimontonCascade
★★★★★ 4.9/5 from 600+ verified reviews
☀ 4th of July Blowout · Up to 25% Off

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★★★★★
4.9 / 5 Rating
600+ verified reviews
Trusted Since 1997
25+ years in the region
Licensed & Bonded
WA Lic. EMERAI*034KG
Exclusive McLendon Partner
Trusted local network
Emerald City Energy window installer at work
27Years of Craft
Our Story

The Puget Sound's most trusted window & door installer.

Since 1997, Emerald City Energy has been transforming Pacific Northwest homes with energy-efficient windows and doors that perform as beautifully as they look. We pair the region's leading brands with installers who treat every home like their own.

From your first no-pressure quote to the final reveal, you get craftsmanship you can see, comfort you can feel, and warranties that stand behind every pane — all backed by 600+ five-star reviews from your neighbors.

Comfort you can feel. Quality you can see.

Start Your Project
0Years in Business
05-Star Reviews
0Windows Installed
0Local Showrooms
How It Works

From quote to completion, we make it effortless.

Four simple steps — no pushy sales tactics, no surprises, just a smooth path to a more beautiful, efficient home.

01

Fast, Free Quote

Most projects quoted within 24 hours — clear pricing with no pressure and no obligation.

02

Personalized Design

Choose from leading brands, styles, and finishes — expertly matched to your home and budget.

03

Seamless Updates

Track your project and get instant updates from a team that actually answers the phone.

04

Expert Installation

Certified installers ensure a precise fit and long-term performance, backed by top warranties.

The Collection

Find the right window for your home.

Start with a material — we'll narrow it down to the styles that fit your home, your budget, and the Puget Sound climate.

Vinyl Windows

Our most popular pick — efficient, durable, and budget-friendly.
VinylSimonton DaylightMax window
Simonton

DaylightMax

Expanded glass area and a slim frame flood your rooms with natural light — ENERGY STAR® rated.

Learn more →
VinylCascade WinPro windows
Cascade

WinPro Series

Engineered for the Pacific Northwest — dependable efficiency, clean sightlines, quiet comfort.

Get a quote →
VinylMilgard StyleLine windows
Milgard

StyleLine

A slim, contemporary frame with maximum glass and Low-E efficiency for modern homes.

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VinylMilgard Trinsic windows
Milgard

Trinsic

One of the slimmest vinyl frames available — expansive views with high-end minimalism.

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VinylMilgard Tuscany windows
Milgard

Tuscany

Timeless styling, smooth SmartTouch® operation, and strong thermal performance.

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Fiberglass Windows

Built to last — the strongest frame for large openings and tough weather.
FiberglassMilgard Ultra fiberglass windows
Milgard

Ultra Series

High-strength fiberglass built for larger openings and demanding climates — premium performance.

Learn more →

Fibrex® Windows

Andersen's low-maintenance composite — durability and style in one.
Fibrex®Andersen 100 Series windows
Andersen

100 Series

Sleek Fibrex® composite that resists rot, warping, and corrosion — modern design, dependable strength.

Learn more →

Wood Windows

Timeless, design-forward, and fully customizable — our premium tier.
WoodAndersen E-Series wood windows
Andersen

E-Series

Aluminum-clad wood with virtually unlimited colors and finishes — for distinctive, high-end homes.

Learn more →
WoodAndersen 400 Series wood windows
Andersen

400 Series

Andersen's best-selling wood windows — time-tested performance, low-maintenance exteriors, and timeless style.

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WoodAndersen A-Series architectural wood windows
Andersen

A-Series

Architecturally inspired, energy-efficient wood windows — Andersen's most advanced and customizable line.

Learn more →
Modern kitchen with Milgard Ultra windows Living room with black-framed Milgard Ultra windows
Featured · Fiberglass

Milgard Ultra 700 Series

Engineered for homeowners who want premium performance without compromise. Durable fiberglass frames resist warping, swelling, and rot while delivering exceptional strength and stability.

  • Fiberglass strength for larger openings & tough climates
  • Clean, modern sightlines with narrow profiles
  • Excellent energy efficiency with Low-E & SunCoat® glass
  • Custom-built to exact specifications for lasting comfort
Get a Quote on Ultra
Why Emerald City Energy

More than new windows — lasting peace of mind.

Energy That Pays Off

ENERGY STAR® and Low-E glass options keep your home comfortable year-round and lower your utility bills, season after season.

Industry-Best Warranties

We install only trusted brands and back every project with top manufacturer warranties and our own workmanship guarantee.

Local, Since 1997

Three Puget Sound showrooms and a team of neighbors who know our climate, our homes, and how to do right by you.

Loved by Neighbors

What homeowners are saying

4.9
★★★★★
Based on 600+ verified reviews
Limited-Time Financing

Upgrade your home with confidence.

Don't let cost slow down your project. With $0 down, 0% interest, and 18 months to pay, transforming your windows, doors, or deck has never been easier.

$0Down
0%Interest
18Months

Subject to credit approval. Ask us for full terms & details.

18 months, no interest financing available — apply today
0% APR
See & Feel the Difference

Visit one of our showrooms.

Touch the materials, compare the brands, and talk with a real expert — no appointment pressure.

Tukwila showroom Open M–F

Tukwila

3225 S 116th St, Suite #117
Tukwila, WA 98168
Mon–Fri · 9 AM – 5 PM
Get directions →
Bothell showroom Open M–F

Bothell

23905 Meridian Ave S
Bothell, WA 98021
Mon–Fri · 9 AM – 5 PM
Get directions →
Seattle showroom By Appointment

Seattle

8760 Greenwood Ave N
Seattle, WA 98103
By Appointment Only
Get directions →
Watch How We Work

Three ways we install.

See the installation methods we use — and how the right one protects your investment for the life of your home.

1

Premium Performance

Our most durable installation — the method you generally find in new-construction homes. So thorough it comes with a lifetime warranty that's transferable to all subsequent homeowners for the life of the home.

WarrantyLifetime Plus Warranty
Premium Performance · Window Installation
2

New Retrofit

A durable install that includes a nail flange and new trim on the house. Adding trim not only improves performance, it can add new dimension and style to some older homes — backed by a lifetime warranty for as long as you own your home.

WarrantyLifetime Warranty
Retrofit Window Install · Window Installation
3

True Retrofit

Our least-invasive method — no cuts to the siding and no new trim. This technique lets your home keep its classic style and charm. Long-lasting, though less durable than our other installs.

WarrantyFive-Year Warranty
True Retrofit Window Install · Window Installation

Every install is done by AAMA, Lead-Safe, Andersen & Milgard certified crews — and backed by a lifetime workmanship warranty. See why homeowners choose us →

Let's Get Started

Your new windows are
one free quote away.

Tell us about your project and a local expert will reach out — usually within 24 hours — with honest guidance and clear pricing.

  • No-pressure, no-obligation consultation
  • Save up to 25% during our 4th of July Blowout
  • Flexible financing available
Prefer to talk? (425) 228-1792

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