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Energy-Efficient Replacement Windows in New England

Goodbye Drafts, Hello Comfort

Certified, Experienced Contractors:
James Hardie Elite Preferred SidingEnergy-Efficient SidingENERGY STAR® WindowsGAF Master Elite® Roofing
Save 50% off installation on James Hardie siding, vinyl siding, roof replacement, window replacement and entry doors, plus financing up to 20 years
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Upgrade Your Home Exterior — Save 50% Off Installation + Financing Up To 20 Years

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Windows 101: your guide to window replacement

Before selecting new windows for your home, you’ll want to consider two factors: style and performance. The first thing to think about is the design of your home. (Not sure what look you want to achieve? Take our style quiz to find out) Remember, your choice of windows not only impacts the aesthetics of your home’s interior but also greatly influences its exterior appearance. Next, you need to explore the functionality of the windows for each space in your home. Which rooms need more light? What performance capabilities are important to you? To help brainstorm your own window wishlist, we’ve broken down the 5 pillars of window replacement:
A two-story white house with a dark roof, featuring large windows and a wooden front door. It has a wraparound porch and is surrounded by green grass and tall trees under a clear blue sky. A stone pathway leads to the entrance.

Bring out the best in your home’s style with customizable aesthetic options, all without the stress of unnecessary maintenance.  Discover endless stylish selections of upgrades like:

  • Modern or classic frame colors
  • Alluring decorative glass designs
  • Stylish grid options
  • Heavy-duty hardware that lasts a lifetime
It’s easy to bring your dream home to life!
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What type of windows are you looking for?

Cozy living room with green walls, a beige sofa, and an armchair. Large wooden-framed windows in the background let in natural light. A coffee table with potted orchids is in the center, and books are displayed on the windowsill.

Double Hung Windows

A timeless window style that offers the functionality of opening at both the top and bottom

A staircase with wooden railings is on the right. To the left, a large window displays a scenic view of trees and a lake. Two framed floral paintings and a potted plant are on the gray walls. White flowers are placed on a table.

Sliding Windows

A modern, sleek profile that combines exquisite form with effortless function

Large floor-to-ceiling windows with wooden frames showing a clear blue sky and clouds. Sunlight streams in, illuminating a potted plant and picture frame on the wall, creating a bright and inviting atmosphere.

Casement Windows

Among the most energy efficient windows these windows also offer unobstructed views and more ventilation than other styles

Dining room with a wooden table and upholstered chairs. A chandelier hangs above. Large glass doors reveal a scenic lake view with mountains in the background and an outdoor patio.

Picture Windows

Ideal for unobstructed views and areas that don’t need additional ventilation

A dining room window with white frames offers a view of a lush green garden. Inside, a table is elegantly set with candles, glassware, and a floral centerpiece, creating a serene and inviting ambiance.

Bay & Bow Windows

Make your rooms feel more welcoming and spacious by adding 3-dimensional depth and light

View from inside a room showing large white-framed windows opening to a lush green landscape with tall grass and trees. A light-colored vase with decorative grass sits on a table in the foreground.

Awning Windows

A great addition that adds visual interest, improves ventilation and provides additional light

A kitchen window display featuring potted plants on shelves, with sunlight streaming through. The countertop has a silver faucet and beige canisters. On the right, a framed black-and-white photo of flowers hangs on the wall.

Garden Windows

An easy way to open up the visual space of any room, invite the outdoors inside and add sunlight

A cozy living room with large arched windows overlooking a serene lake and green landscape. The room features a brown sofa, a lamp, a candle, and a plant on wooden side tables. Soft natural light fills the space, creating a warm ambiance.

Specialty Windows

Create a unique focal point in any room, giving your home a more dramatic appearance — inside and out

#1 Woman-Owned Construction Company in New England + Inc. 5000
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Experience the Coastal difference

As Family Business of the Year, Coastal Windows & Exteriors brings over 30 years of experience serving New England. Centrally located in Beverly, MA, our team has helped over 7,300+ homeowners across Massachusetts, Southern NH, and Southern ME achieve their home remodeling dreams. Founded as a one-stop-shop solution, we make it easy to explore window replacement options through a personalized inspection process and 3D technology to help visualize your project before the work even begins. Plus, our factory-certified and fully-insured installation makes the process worry-free from start to finish. When you choose Coastal, you enjoy the best of both worlds with high-performance windows and an alluring curb appeal. Talk about a win-win!
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A bright living room with large windows showcasing a leafy view. It features a beige sofa, an ottoman, a cushioned armchair, and a floor lamp. A sliding glass door leads to a deck with outdoor seating. The room has hardwood floors and light walls. Vinyl Siding

See our most popular window styles with custom colors & more

Your dream curb appeal comes to life with your new window installation upgrade. Choose from the most popular window styles in New England, ideal for any home architecture you’ll find in our region. Make your new windows your own with custom color options, decorative glass designs, and grids.

Your New Windows Should:

A neon green line drawing of a three-bladed propeller or fan icon. It features curved lines extending from the tips of each blade, suggesting movement or rotation. The design is simple and abstract, set against a transparent background.

Boost Energy Efficiency

A green dollar sign inside a circle on a transparent background.

Lower Your Energy Bill

A green outline of a house with a shield in the upper-right corner, featuring a Wi-Fi signal icon on the shield, symbolizing smart home protection or secure home network.

Provide Security

A green outline of a person standing inside a circular boundary on a white background.

Reflect Your Style

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Increase Home Value

Our take on replacement windows

Windows (and doors) are your most visually prominent home feature. You see and use them every day. Sure, siding and roofing updates are important, too, but there’s something special about windows—after all, it’s in our name and how we got started. Window replacement can have a big return on investment when installed properly.

Our quality vinyl windows are engineered to withstand New England weather, lower energy bills, and enhance your curb appeal. Top-rated energy performance, numerous customization options, and industry-leading warranties make our windows efficient and their installation worry-free.

Before we explore style and customization options, let’s see if window replacement is right for you!
Collage of three images shows aging windows with visible plant growth outside, mold and dirt accumulation on the window frame, and condensation forming on the inside of the glass.

Lowest Air Infiltrated Window in the Industry!

It’s true: new window replacement is an investment, but it’s one that improves your quality of life. When your windows are underperforming, it’s time to consider replacement. Below are common warning signs New England homeowners experience with old, inefficient windows:
  • Difficulty opening, closing, cleaning, or maintaining the windows
  • Drafts or air leaks around window frames
  • Visible cracks, warping, or decay in the wood
  • Condensation or fogging between the panes of glass
  • High energy bills due to poor insulation and air leakage
  • Excessive noise from outside due to poor sound insulation
Any of these sound familiar? Perhaps your home windows are not performing as expected. Contact Coastal for a FREE INSPECTION and estimate.

OUR REVIEWS

Windows project by Coastal Windows & Exteriors
Google review

TESTIMONIAL

Windows

“I thought my husband had lost his mind when he agreed to have our windows replaced the day before Thanksgiving! The crew showed up at 7:00 am and were out by 3:00 pm. They were courteous, professional and efficient. Absolutely amazing — we love our new windows.”

~ SHEILA N. • Everett, MA

Entry Door project by Coastal Windows & Exteriors
Google review

TESTIMONIAL

Entry Door

“We met with Connor in our home regarding a new front entry door with sidelites. He impressed us with his knowledge of ProVia doors and how Coastal Windows & Exteriors operates as a company. Together we came up with a door design that my husband and I love.”

~ JEAN B. • Natick, MA

Roof & Gutters project by Coastal Windows & Exteriors
Google review

TESTIMONIAL

Roof & Gutters

“We recently had our roof and gutters replaced and had an outstanding experience from start to finish. The entire team was professional, responsive, and the quality of the work was excellent. I would absolutely recommend them.”

~ MATTHEW G. • Winthrop, MA

Siding project by Coastal Windows & Exteriors
Google review

TESTIMONIAL

Siding

“My house was a big project and it got completed quickly and efficiently. The result is beautiful and pricing was reasonable. Neighbors have already complimented what a great job they did with the siding and the color.”

~ CHRISTINA L. • Gloucester, MA

Windows project by Coastal Windows & Exteriors
Google review

TESTIMONIAL

Windows

“I thought my husband had lost his mind when he agreed to have our windows replaced the day before Thanksgiving! The crew showed up at 7:00 am and were out by 3:00 pm. They were courteous, professional and efficient. Absolutely amazing — we love our new windows.”

~ SHEILA N. • Everett, MA

Entry Door project by Coastal Windows & Exteriors
Google review

TESTIMONIAL

Entry Door

“We met with Connor in our home regarding a new front entry door with sidelites. He impressed us with his knowledge of ProVia doors and how Coastal Windows & Exteriors operates as a company. Together we came up with a door design that my husband and I love.”

~ JEAN B. • Natick, MA

Roof & Gutters project by Coastal Windows & Exteriors
Google review

TESTIMONIAL

Roof & Gutters

“We recently had our roof and gutters replaced and had an outstanding experience from start to finish. The entire team was professional, responsive, and the quality of the work was excellent. I would absolutely recommend them.”

~ MATTHEW G. • Winthrop, MA

Siding project by Coastal Windows & Exteriors
Google review

TESTIMONIAL

Siding

“My house was a big project and it got completed quickly and efficiently. The result is beautiful and pricing was reasonable. Neighbors have already complimented what a great job they did with the siding and the color.”

~ CHRISTINA L. • Gloucester, MA

A cozy living room with a patterned sofa, a wicker armchair, and a wooden coffee table. Three framed maps hang on the wall. A beige rug covers the floor, and a window with sheer curtains brightens the space. Accessories include plants and a lantern.

Stop Energy Loss: Save Up to $500+/Year On Energy Bills

According to Energy Star®, New England homeowners can save up to $500+ on energy bills by investing in quality vinyl windows. To experience the very best in energy savings, Coastal Windows & Exteriors offers window replacement products that meet or exceed Energy Star® standards.
  • Best air infiltration ratings in the industry to minimize drafts
  • Insulated glass packages with argon and krypton
  • “Low-E” glass coatings help block UV rays
  • Triple weather stripping blocks air /creates a perfect fit for window opening
  • Heavy-duty cam sweep locks hold sashes in place during violent weather
  • Lasts up to 4 times longer than competitive window systems
Our window replacement products meet or exceed Energy Star® standards. Combined with expert installation, your windows will continuously perform for decades.

Window FAQ

How can you tell if your windows are drafty?
One way to tell if your windows are drafty is by holding your hand close to the window on a breezy day. You will likely feel air coming in from the sash, the frame, and where the sash meets the sill. You can also light an incense stick on a windy day and hold it near the same areas. If the incense blows around (even sightly) you likely have drafty windows.
Does replacing old drafty windows save on heating costs?
It sure does! In fact, according to Energy Star, you can save over $500 in energy bills per year by upgrading from single pane to triple pane windows.
Can you get sick from a drafty window?
You won’t catch a virus from a drafty window. But if the window is drafty or the air in the room is too cold (heat and humidity is escaping), you may suffer from sinus problems as a result of dry air. This is prominently an issue that you can run into during the winter.
Can drafty windows cause condensation?
Drafty windows may cause condensation.
How can I stop drafty windows?
The best way to stop drafty windows is by replacing them. That’s because there may be air leaks at various points of the window. Air typically leaks from the sash, the sill, and where the sash meets the sill. New window installation seals up these air leaks and drastically reduces drafts. Other tricks like putting plastic over windows are only bandaid approaches.

Superior Protection for Your Peace of Mind

A secure home must include secure windows. Windows are a vulnerable entry point to your home, but this doesn’t need to keep you awake at night. Coastal Windows & Exteriors offers New England homeowners protection against intruders with the following features:
  • Low-profile French cam locks routed into the frame
  • Locks fastened through three layers of .075 iUPVC
  • Scores 10 out of 10 on AAMA forced entry test
Secure windows offer protection against burglars and other intruders, as they are designed to withstand forced entry and tampering. They also help to prevent accidents, especially in homes with young children or pets, by keeping them from falling out of open windows. You can count on Coastal Windows & Exteriors for windows designed with security in mind.

Bottom line, We Know Windows and we’ve been helping homeowners for years in achieving homes that are warmer, safer, more energy efficient and stylish, while also improving re-sale value.

Check out our financing options!