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10 Best Window Replacement Companies in Glendora, CA

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Written By David Cusick

Last Updated April 2024

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 If your windows are outdated or damaged, 25–30% of your house’s heat or cool air could be leaking out, according to the Department of Energy.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 an extra $356 a year on your electric bills. When searching for a window installation company, it's important to choose the right one, which is why we've put together this guide to the top window installers in Glendora.

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Top 10 Best Window Replacement Companies in Glendora

Renewal by Andersen of Los Angeles

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

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

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

Window World of Los Angeles

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718 Arrow Grand Cir, Covina, CA 91722 (310) 564-7299 windowworldla.com

Good customer service

Free assessment

Price transparency

Educational website

Services Offered

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

Advance Windows & Doors

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20442 Carrey Rd, Walnut, CA 91789 (909) 444-2000 advancewindowsanddoors.com

Educational website

Free assessment

Price transparency

Good customer service

Services Offered

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

Dreamstyle Remodeling

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16223 Arrow Hwy Bldg. A, Irwindale, CA 91706 (323) 880-6095 dreamstyleremodeling.com

Good customer service

Free assessment

Educational website

Price transparency

Services Offered

Double-hung
Bay windows
Custom window designs
Window replacement/installation
Glass doors
Glass showers

Home Services at The Home Depot

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1625 Mountain Ave, Monrovia, CA 91016 (626) 385-6170 homedepot.com

Good customer service

Educational website

Free assessment

Price transparency

Services Offered

Vinyl frames
Window replacement/installation
Energy-efficient options
Glass showers
Custom window designs
Screen repair
Storm/impact windows
Glass doors

La Verne Glass &Screen

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1782 N White Ave, La Verne, CA 91750 (909) 593-8317 laverneglassandscreen.net

Price transparency

Good customer service

Free assessment

Services Offered

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

Sears Window Replacement

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5080 N Montclair Plaza Ln, Montclair, CA 91763 (626) 313-3940 searshomeservices.com

Price transparency

Good customer service

Free assessment

Educational website

Timely service

Services Offered

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

JK Glass & Mirror Inc

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4155 Alderson Ave E, Baldwin Park, CA 91706 (626) 315-7491 jkglassca.com

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Educational website

Price transparency

Good customer service

Services Offered

Glass showers
Window replacement/installation
Mirrors
Glass doors
Custom glass
Glass repair

Slater Glass & Mirror

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145 E St Joseph St, Arcadia, CA 91006 (626) 254-0614 slaterglass.com

Price transparency

Good customer service

Free assessment

Services Offered

Custom glass
Fiberglass frames
Glass showers
Glass doors
Skylights
Mirrors
Window replacement/installation

Vista Window Manufacturing, Inc.

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600 E Fig Ave, Monrovia, CA 91016 (626) 359-3600 vistawindowmfg.com

Educational website

Price transparency

Free assessment

Timely service

Good customer service

Services Offered

Glass doors
Energy-efficient options
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 Glendora?

Window installation and replacement costs depend on several factors, including the materials you choose, the number and size of the windows, and how difficult your windows are to access or install. On average, homeowners in Glendora should expect to spend roughly $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

Replacing your existing windows with new energy-efficient ones can greatly boost your home's comfort, value, appearance, noise reduction, and insulation. Signs it's time to invest in new windows include:

  • Outdated and inefficient window styles that detract from your home’s curb appeal.
  • Drafts and cold air leaking in from old, loose-fitting windows.
  • High energy bills and a chilly house due to poor insulation around windows.
  • Windows that are difficult to close, open, or lock properly due to wear and age.
  • Condensation issues, fogging between window panes, or rotting window frames that let in moisture.

How To Choose a Window Company

Hiring an experienced window installer helps ensure a great experience and excellent results. Below, we outline the main criteria for choosing a qualified window installer.

Experience

Make sure you select an experienced local installer with a long record of successfully installing and replacing windows. Providers that have served Glendora for years are more likely to have a deep knowledge of the local climate and local homeowners' needs. Get references from recent clients to learn more about a provider’s service.

Certifications

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

Reputation

Spend time going through online reviews, verifying with the Better Business Bureau (BBB), and asking for local references. Review customer feedback to make sure that the company delivers consistent quality workmanship and great service. Avoid companies with complaints of shoddy work or unfinished jobs.

Process

A good window installer will be able to provide a detailed project plan, precise timelines, clear expectations, and an overview of all material and installation options. Avoid companies that provide ambiguous quotes or schedules. Look for regular contact throughout to avoid surprises once installation is underway.

Warranties

Look for companies that guarantee their installations and provide warranties on labor and materials. This demonstrates trust in their window installations. Seek out unlimited lifetime warranties that can be transferred to new homeowners.

Materials

Confirm that your window installer offers durable, long-lasting windows and leading energy-efficient window bands that fit your budget. Research choices with enhanced UV protection, good energy ratings, and design flexibility. Verify that the materials have their own manufacturer warranties.

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 enable professionals to work with less worry about the weather.

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

The types of window that usually last longest are ones made of vinyl or wood, with double glaze for extra insulation. Vinyl windows are known for their durability and require little maintenance, while wood windows provide a more classic look. Tripling up on the glazing will reduce energy costs in the long run. This is especially helpful during Glendora's hot summers.

The window installation process typically involves measuring and ordering the windows, prepping the surrounding area for installation, taking out the existing window, putting in the new one, and sealing the frame. Depending on the type of window being installed, additional steps might be required.

Yes, many window companies provide financing options. Some installers provide low-interest or no-interest loans, although you may not qualify if your income is on the higher end, while other companies provide unique financing plans with agreements and conditions that vary depending on the job.

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

Getting windows professionally installed can provide a number of benefits. Professional installers can make sure that your windows are properly fitted, sealed, and insulated, minimizing air leakage and maximizing energy efficiency. Professional installers are also trained in the necessary tools and techniques to do the job right, which can save you time and money.

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