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Best window pros near Ontario, CA

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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon272
    Verified window services reviews

Top-Rated Window pros in Ontario - Updated Nov 2026

Avatar for Metropolitan High Performance Windows
Metropolitan High Performance Windows
4.7(
215
)
New Windows - 6 +New Windows - 3-5New Windows - 2+9 more

Serving Ontario, CA and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"We had several windows and doors replaced and I was really impressed with the new windows and doors as well as the professional installation by Perry and his crew. They made sure everything was square, clean, and caulked. Great job! I highly recommend Metropolitan High Performance Windows."
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+9

22 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Clearview Mobile Screens
Clearview Mobile Screens
4.9(
71
)
Door or Window Screens - Install or Repair

Serving Ontario, CA and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"I called Pablo on Monday and left a message. He called me right back. He was very friendly and said he could fit me in between a couple of other jobs on Wednesday. He called me on Wednesday when he said he would, told me he could get to my house in half an hour and was. He measured the windows, set up his work station right from his van, and had made them within a half an hour. Everything fit. He was so nice, personable, professional, helpful. And took my credit card! Great job!"
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Response time10 hrs
Response rate100%
Recommended by94%of homeowners
Avatar for Millennial Windows and Glass Doors, Inc.
Millennial Windows and Glass Doors, Inc.
4.8(
49
)
Window Glass - Install or Replace

Serving Ontario, CA and surrounding areas

Approved

In business since 2020

Free estimates

Customers say: Quality work

"He came right on time for the window repair. He measured the window and ordered the glass. We were able to get the glass installed in just a couple of days. I would definitely recommend Millenial Windows."
IGreplacement
IG REPLACEMENT
Tempered glass replacement
Tempered glass replacement
Dual pane glass

+2

Response time1 day
2 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Guaranteed Clean
Guaranteed Clean
4.9(
19
)
Door or Window Screens - Install or Repair

Serving Ontario, CA and surrounding areas

Approved

In business since 2019

Free estimates

Small jobs welcome

"Andrew was conscientious and made certain all was well before he left. My windows are beautiful and shine like diamonds. I will use him again and recommend him to others."
Commercial Glue-Down Carpet Tiles
Hot Water Extraction
Hot Water Extraction
Living Room High Traffic Area
French style windows

+7

Response time2 hrs
Response rate89%
Recommended by93%of homeowners
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Windows FAQs, answered by experts

Windows may need to be replaced after a hurricane if they’re severely damaged. For example, if you have windows with blown-out glass and a cracked frame, they will need to be replaced. It’s a similar story if you have windows with noticeable water damage. However, if your window pane has small cracks but the frame is still in good condition, you may be able to repair the window.

Glazing is always done from the outside of the window, while the inside doesn’t require any glazing. This is because the main purpose of glazing is to create a weather-tight seal where the glass meets the frame, protecting against drafts and moisture. Since the exterior is exposed to the elements, that’s the side that needs the weatherproofing.

The visibility through tinted house windows depends on the lighting. During the day, when it is brighter outside, privacy film prevents people from seeing into your home. However, this effect reverses at night. If you have lights on inside, it becomes brighter indoors than outdoors, allowing people to see inside. To optimize privacy, you can select from various shades of film, ranging from lighter to darker, which affects how much is visible from the outside.

Typically, triple-pane windows made with krypton gas filling are the most energy efficient. A window’s frame, glass, design, and installation all affect its energy efficiency. These windows, in particular, are designed highly effectively in terms of their ability to insulate.

Energy-efficient windows cost more than other window types, but they can help you save on your monthly energy bills, get you some breaks on your taxes, and even increase the value of your home. According to Michael S. Regan, Administrator of the U.S. Environmental Protection Agency, when people invest in green upgrades like energy-efficient windows, they save energy, money, and more.

The Ontario, CA homeowners’ guide to window services

From average costs to expert advice, get all the answers you need to get your job done.