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10 Best Window Replacement Companies in Portland, ME

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Written By David Cusick

Last Updated April 2024

Whether you want to increase your home's value or decrease your energy bills, replacing your windows is an excellent idea. Outdated windows can cost you in electric bills — about an extra $341 a year in Portland. The Department of Energy estimates that about 30% of your house’s heat or cool air could be lost through your windows. When searching for a window installation company, it's important to choose the right one, which is why we've written this guide to the best window installation companies in Portland.

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Top 10 Best Window Replacement Companies in Portland

Renewal by Andersen Window Replacement

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66 Industrial Park Rd, Saco, ME 04072 (207) 358-6094 windowsdoorsportland.com

Educational website

Price transparency

Good customer service

Free assessment

Services Offered

Metal frames
Energy-efficient options
Custom window designs
Vinyl frames
Window replacement/installation
Glass doors
Bay windows
Double-hung

Window World of Southern Maine

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2 Karen Dr Unit 5, Westbrook, ME 04092 (207) 747-5117 windowworldofmaine.com

Timely service

Free assessment

Good customer service

Price transparency

Educational website

Services Offered

Window replacement/installation
Double-hung
Glass doors
Bay windows

Paradigm Windows

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Portland, ME (877) 994-6369 paradigmwindows.com

Good customer service

Price transparency

Free assessment

Educational website

Services Offered

Glass doors
Double-hung
Window replacement/installation
Vinyl frames
Bay windows

Pella Windows & Doors of Scarborough

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400 Expedition Dr Suite B, Scarborough, ME 04074 (207) 253-1856 pellabranch.com

Price transparency

Educational website

Free assessment

Good customer service

Services Offered

Window replacement/installation
Glass doors
Double-hung
Bay windows

Maine Windows and Doors

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306 Warren Ave Suite 2A, Portland, ME 04103 (207) 712-0133 mainewindowsanddoors.com

Educational website

Good customer service

Price transparency

Services Offered

Screen repair
Vinyl frames
Double-hung
Window replacement/installation

A-BEST Window

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1199 Broadway, South Portland, ME 04106 (207) 799-6771 abestwindow.com

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Good customer service

Price transparency

Services Offered

Window replacement/installation
Energy-efficient options

Cardinal Exteriors

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91 Bell St, Portland, ME 04103 (207) 699-5550 cardinalext.com

Price transparency

Good customer service

Educational website

Services Offered

Window replacement/installation

Quinn's Installation Contractor

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162 Gorham Rd, Scarborough, ME 04074 (207) 883-6086 quinnscontractors.com

Free assessment

Services Offered

Energy-efficient options
Window replacement/installation

Marvin Design Gallery by Eldredge

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317 Marginal Way, Portland, ME 04101 (207) 772-2003 marvinbyeldredge.com

Services Offered

Window replacement/installation
Glass showers
Skylights

Eastern Shore Home Improvement

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116 Gray Rd, Falmouth, ME 04105 (207) 797-3696 easternshorehi.com

Price transparency

Good customer service

Services Offered

Window replacement/installation
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Portland?

The amount you'll spend on window installation or replacement is influenced by several factors, including the materials you choose, how difficult your windows are to access or install, and the number and size of the windows. On average, homeowners in Portland should expect to spend roughly $280 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Adding new energy-efficient windows can substantially enhance your home's comfort, noise reduction, value, insulation, and appearance. Clear indicators that it's time to invest in new windows include the following:

  • Windows that are difficult to open, close, or lock properly due to wear and age.
  • High energy bills and discomfort due to poor window insulation.
  • Condensation issues, fogging between window panes, or rotting window frames letting in moisture.
  • Inefficient and outdated window styles that detract from your home’s curb appeal.
  • Cold air and drafts leaking in from old, loose-fitting windows.

How To Choose a Window Company

For a successful window replacement, you need to hire an installation contractor with proven expertise. Below, we outline the most important considerations when selecting a window installer.

Experience

Look for highly-regarded local companies with a long track record of experience successfully installing all kinds of windows. These providers are more likely to have a deep knowledge of Portland's climate and local homeowner needs. Ask for references from recent clients to verify quality and experience.

Certifications

Choose companies that are certified by major window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Certification means they've been properly trained in installation best practices. Make sure installers are staff rather than subcontractors, and confirm that any technicians working on your home are certified.

Reputation

Read through online customer feedback, check the Better Business Bureau (BBB), and request local references. Review customer feedback to confirm that the provider consistently delivers quality work and good customer service. Avoid providers that have complaints of shoddy work or unfinished jobs.

Process

The most qualified company will take time to provide you with a detailed project plan, timeline, expectations, and reviews of all material and installation options. Beware of vague quotes or timelines that don't provide enough specifics upfront. Look for regular communication throughout the process to avoid surprises once the project gets underway.

Warranties

Seek out window installers that back their installations with warranties on labor and materials. This demonstrates confidence in their work. Research companies with unlimited lifetime warranties that can pass to new homeowners.

Materials

Ensure your provider works with durable, energy-efficient window brands that work with your budget. Look for enhanced UV protection, design flexibility, and good energy ratings. Confirm the window materials come with their own manufacturer warranties as well.

Frequently Asked Questions About Window in Portland, ME

In Portland, the optimal time to install windows is during the late spring or early summer when the temperature is not as cold, so the windows can fit and settle properly. A professional local window installer in Portland will be able to explain when the best time is to install windows on your home.

The best type of replacement window for your Portland home will depend on the age of your home, as well as your personal style and budget. You'll want to consider the style of your home — such as if it's older — so your new windows match. Wooden windows can give a classic look and feel, while vinyl windows tend to be popular in more modern homes. Fiberglass windows are also a popular choice, as they are energy efficient and long-lasting.

You can save money on window installation by choosing a cheaper option like single-hung vinyl windows. These have lower costs compared to other kinds of windows like fiberglass, wood, or double-hung windows.

The window installation process typically involves measuring and ordering the windows, prepping the surrounding area for installation, taking out the existing window, installing the new one, and sealing the frame. Depending on the kind of window being put in, additional steps may be needed.

After window installation, it's important to check for any air leaks and make sure the windows are properly sealed. You should also wash the windows at least once a year to prevent debris from building up and causing damage. Additionally, if you live in an area with abundant rainfall, you should check the window sills and frames once a year to ensure that the seals are not wearing away or breaking.

Yes, most window companies offer financing options for their customers. Some installers provide low-interest loans based on your income, while other companies provide special financing plans with terms and conditions that vary depending on the project.

Window companies in Portland typically offer a wide range of services, including measuring and installing new windows, fixing existing windows, swapping out window glass, and hanging window treatments. They may also offer additional services such as weatherproofing or cleaning.

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