10 Best Window Replacement Companies in Glendora, CA

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Last Updated: February 25, 2025

Whether you want to improve your home's value, energy efficiency, or both, replacing your windows is an excellent idea. If your windows are outdated or damaged, 25–30% of your house’s heat or cool air could be leaking out, according to the Department of Energy. In Glendora, this can add up to an extra $356 a year on your electric bills. When searching for a window installation company, it's important to pick the right one, so we've written this guide to the best window installers in Glendora.

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Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Best Customer Service
4.0/5
  • Award winning company
  • Products made in the US
  • Knowledgeable sales representatives

Top 10 Best Window Replacement Companies in Glendora

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Renewal by Andersen of Los Angeles

Renewal by Andersen of Los Angeles Logo

Our Rating

User Rating

18700 Crenshaw Blvd, Torrance, CA 90504 (310) 214-2222 renewalbyandersen.com

Good customer service

Free assessment

31,000+ projects completed

Financing options available

Price transparency

Educational website

In-home or virtual consultations

Services Offered

Glass doors
Window replacement/installation
Double-hung
Bay windows
Skylights

The Glass Guru

The Glass Guru Logo

Our Rating

User Rating

20934 Normandie Ave, Torrance, CA 90502 (714) 683-0883 theglassguru.com

Free assessment

Good customer service

Educational website

Services Offered

Vinyl frames
Energy-efficient options
Glass repair
Tempered glass
Window replacement/installation
Wood frames
Storm/impact windows
Skylights
Screen repair
Glass doors
Metal frames
Window repair
Glass showers
Mirrors
Custom glass
Fiberglass frames
Triple pane glass

Veracity Window and Door

Veracity Window and Door Logo

Our Rating

User Rating

1531 Seventh St, Riverside, CA 92507 (866) 252-2904 veracitywindowanddoor.com

No-interest financing

Timely service

Lifetime warranty

Good customer service

Price transparency

Energy-efficient windows and doors

Educational website

Free assessment

Services Offered

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

Tashman Home Center

Tashman Home Center Logo

Our Rating

User Rating

7769 Santa Monica Blvd, West Hollywood, CA 90046 (323) 656-7039 tashmans.com

Educational website

Good customer service

Free assessment

Services Offered

Window replacement/installation
Glass showers
Wood frames
Mirrors
Metal frames
Fiberglass frames
Vinyl frames
Glass doors

Bodie's Glass Service

Bodie's Glass Service Logo

Our Rating

User Rating

5722 Westminster Blvd., Westminster, CA 92683 (714) 898-4602 bodiesglass.com

Quick turnaround

Price transparency

Wide product range

Educational website

Free assessment

Good customer service

Offers shower doors and mirrors

Timely service

Services Offered

Window repair
Window replacement/installation
Mirrors
Glass doors
Glass showers
Glass repair
Custom window designs

Smart Window Company

Smart Window Company Logo

Our Rating

User Rating

2291 W 205th St Suite 106-A, Torrance, CA 90501 (310) 946-3697 smartwindowcompany.com

Educational website

Free assessment

Good customer service

Price transparency

Services Offered

Energy-efficient options
Glass doors
Tempered glass
Vinyl frames
Double-hung
Window replacement/installation

Design Windows and Doors Inc.

Design Windows and Doors Inc. Logo

Our Rating

User Rating

504 S Mountain Ave, Ontario, CA 91762 (909) 365-2179 designwindowsinc.com

Free assessment

Good customer service

Timely service

Price transparency

Educational website

Services Offered

Vinyl frames
Glass doors
Window replacement/installation
Fiberglass frames
Wood frames
Bay windows
Double-hung
Energy-efficient options

Dede Windows and Doors / window replacement

Dede Windows and Doors / window replacement Logo

Our Rating

User Rating

1196 Osprey Cir, Anaheim, CA 92807 (714) 468-5998 dedewindows.com

Good customer service

Educational website

Energy-efficient windows and doors

Free assessment

American-made vinyl

Educational website

Price transparency

Services Offered

Vinyl frames
Window replacement/installation
Glass doors
Custom window designs

Andes windows & doors

Andes windows & doors Logo

Our Rating

User Rating

1665 Third St C, Norco, CA 92860 (951) 268-6611 andeswindows.com

Good customer service

Educational website

Online portfolio

Offers window treatments

Price transparency

Free assessment

Spanish-speaking

Services Offered

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

Golden Glass

Golden Glass Logo

Our Rating

User Rating

1221 E Orangethorpe Ave, Fullerton, CA 92831 (714) 449-8989 goldenglass.com

Free assessment

Price transparency

Timely service

Educational website

Good customer service

Services Offered

Glass showers
Glass doors
Window replacement/installation
Mirrors
Glass repair
Tempered glass
Custom glass
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 Glendora?

The price of window installation or replacement varies based on a number of factors, including how difficult your windows are to access or install, the materials you choose, and the number and size of the windows. On average, homeowners in Glendora will spend around $290 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 value, insulation, appearance, noise reduction, and comfort. Clear indicators that it's time to invest in new windows include the following:

  • Inefficient and outdated window styles that detract from your house's curb appeal.
  • Cold air and drafts leaking in through old, loose-fitting windows.
  • Discomfort and high energy bills due to poor insulation around windows.
  • Windows that are difficult to close, open, and lock properly due to wear and age.
  • Fogging between window panes, condensation issues, or rotting window frames that allow moisture intrusion into the home.

How To Choose a Window Company

Picking a window installer with the proper qualifications helps ensure a smooth installation. We explain the most important considerations for selecting a qualified provider below.

Experience

Look for well-established local installers with lots of experience. Providers that have been installing windows locally for many years are more likely to understand the local climate and how to best meet your needs. Ask for references from recent customers to verify that a provider delivers quality work.

Certifications

Choose an installer that’s certified like major window manufacturers, and that has Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Proper certification shows they've received appropriate instruction in installation best practices. Verify that installers are staff rather than subcontractors, and confirm that any technicians working on your home have certification.

Reputation

Spend time going through online reviews, checking the Better Business Bureau, and asking for references from people in your area. Review customer feedback to confirm that a company regularly provides good workmanship and customer service. Avoid companies with complaints of shoddy or unfinished work.

Process

A quality window installer will be able to provide a detailed project plan, reasonable timelines, clear expectations, and an overview of all material and installation options. Avoid companies that provide ambiguous quotes or schedules. Insist on regular contact through the whole process to avoid surprises further into the project.

Warranties

Research companies that back their work with guarantees and offer warranties on labor and materials. This is a sign of confidence in their window installations. Look for unlimited lifetime warranties that can even transfer to new homeowners.

Materials

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

Frequently Asked Questions About Window in Glendora, CA

In Glendora, the best time to install windows is when temperatures are mild, generally during spring, winter or fall. These conditions allow professionals to work with less worry about extreme temperatures.

The best type of replacement window for your Glendora 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 old — so your new windows match. Wooden windows can provide a classic look and appearance, while vinyl-framed windows are more popular in newer homes. Fiberglass windows are also a popular choice, since they can be energy efficient and durable.

The types of window that typically last longest are ones crafted from vinyl or wood, with triple glaze for extra insulation. Vinyl windows are renowned for their long-lasting nature and require minimal maintenance, and wood windows offer a more traditional look. Tripling up on the glazing will help reduce heating and cooling bills over time. This is especially helpful during Glendora's hot summers.

The process for installing windows typically begins with measuring the existing windows and ordering new ones. Next, a professional installer will prepare the work area, remove the old windows, and install the new ones. Once this is done, the installer will trim out the space and finish by caulking the window.

Yes, many window companies offer financing for their services. Different companies have their own financing options, so you should do your research to find the best option for you. Depending on your income level, which is a median of $106,718 a year in Glendora, you may be able to qualify for special payment plans.

Window companies in Glendora usually offer a range of services, including measuring and installing new windows, repairing existing windows, replacing window glass, and hanging window treatments. They may also offer additional services such as weatherproofing or cleaning.

Getting a professional window installer helps guarantee the job is done correctly. Professional installers will measure in order to get a perfect fit and use the right materials and techniques to ensure your windows will be correctly sealed and fitted. Additionally, professional installers are likely to have access to better materials and more knowledge than the average person, so you can expect your windows to be installed correctly and stand for years to come.

Other Glendora, CA Home Services

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