Your Los Angeles Window Installation Contractor

Our Integrity is Our Promise


Proud To Offer A 50 Year Warranty


Affordable Financing Options


Proudly Family Owned Since 1984

Providing Expertise in Window Installation

best window installation company Los Angeles, CA

Windows contribute a lot to a home’s aesthetic and function. They make your home look beautiful on both the inside and out, as well as help maintain your home’s energy usage. If you’re looking for a way to refresh your home and better your home’s energy efficiency, Guardian Roofs in Los Angeles offers professional window replacement services to help improve your home. We’ll assist you through the entire process so that you can make an informed decision that will be best for your needs and budget. Give us a call today for a free estimate!

The Window Installation Process in Los Angeles

Replacing your home’s windows is not a job you should do yourself. It’s crucial to have seasoned professionals who can properly install your windows so that they will last. You don’t want to risk a misaligned window that looks bad and lets your air out!

Our tried and true process guarantees a smooth and efficient window installation.


Free Consultation

Contact us through our online form or by phone to schedule a free estimate for your new windows. Our team of design specialists will help you select the right style for your home. During this meeting, we will make sure you understand the process and answer any questions you might have.


Prep Work

Before the installation, we will make sure you are ready. If any preparation tasks need to be done beforehand, you will be informed. We will also fully protect the other parts of your property, like grass, shrubs, and trees to keep them from damage during the installation.


Window Installation

Our team will get to work installing your new windows with the highest quality materials and best-in-class craftsmanship. You can rest assured that our team’s #1 priority is safety. We understand you have a life, so we will work as quickly and efficiently as possible to get out of your hair.



After each day’s work, we will clean up our mess to keep your home looking tidy. We understand that home construction projects can be a bit of an eyesore and we want to be respectful of you and your neighbors.



Our highly experienced staff is committed to providing you with unmatched customer service. We’re happy to answer any questions you may have throughout the process and will check back once the work is done to make sure everything is working the way it should.

Windows may not be in our company name, but that doesn’t mean we don’t know what we’re doing. Guardian Roofs is here to help keep your home safe and protected. With over 36 years of experience, we have the knowledge to install quality windows that fit your needs and budget. Give us a call today to get a free estimate on replacement windows.