24 Best Window Replacement Companies in El Cajon, CA (Mar 2023)
Window Companies Near Me
Are you thinking of replacing your windows? Our list of the best window installation companies can help you choose the right one for you.
We analyzed all the top window installers in El Cajon and selected the top 24 based on:
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Customer reviews
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Window replacement expertise
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Popularity with home-owners like you
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Updated March 14, 2023
Why you can trust EcoWatch
Whether you're doing home renovations or have damaged windows, windows play a important role in conserving electricity in your home. Damaged or outdated windows could lead to having higher power bills during the winter or summer months.
Replacement windows improve your home's insulation, not only making you and your family more comfortable during the summer and winter, but also saving you money and helping the environment.
We've put together this guide on the top installation companies to help you in your research, so you can not only take advantage of brand new windows, but also save money on your energy bills.
Best Affordability
Window World
- Low prices relative to competitors
- EnergyStar Partner
- Large serice area
- Quality of service will depend on your area
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Entails hiring third-party contractors
Best Overall
Renewal by Andersen
- Manufactures products in-house
- Award-winning company
- Great industry reputation
- More expensive than competition
Best Window Replacement Companies in El Cajon
The EcoWatch team evaluated many window installation companies across El Cajon to narrow our list down to the top ones. The providers in this article passed our review standards for energy-efficient offerings as well as local expertise, customer service, price and beyond.

Window World
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Low prices relative to competitors
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EnergyStar Partner
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Large serice area
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Quality of service will depend on your area
Window World offers windows expertise in El Cajon. Window World has over 27 years of experience in the industry, and it currently provides services to 200 locations nationwide. The company has a lot of glowing reviews from customers on online review websites.
It is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
Energy Efficiency of Window World WindowsThere are a wide variety of window types that Window World offers, some of which are Energy Star products. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.
How much does Window World cost in El Cajon?Prices aren't listed on Window World's website, but it's known for offering some of the most affordable window installations around. Getting a free quote on its website is the best way to get more accurate information.

Milgard Windows & Doors
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EnergyStar Partner
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Wide network of installers
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Lifetime warranty available
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Entails hiring third-party contractors
Milgard Windows & Doors provides the best local installation in El Cajon. Milgard has about 60 years of experience in the window replacement sector. Hundreds of positive reviews on customer review websites back the provider's reputation.
It offers competitive pricing, a comprehensive warranty and installers that all have a minimum of 15 years of window installation experience.
Energy Efficiency of Milgard Windows & Doors WindowsMilgard Windows & Doors offers some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you ask for Energy Star windows when inquiring. The company manufactures its own products, which gives it the freedom to make custom windows based on the climate. The company designs its own vinyl compounds and profiles to ensure a heat-stable product that performs as advertised.
How much does Milgard Windows & Doors cost in El Cajon?Milgard does not list prices on its website, but it offers different kinds of windows at varying price points. The best way to get more accurate pricing information is to ask for a free quote from the company.

Renewal by Andersen
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Manufactures products in-house
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Award-winning company
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Great industry reputation
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More expensive than competition
Renewal by Andersen provides the best availability in El Cajon. This company has been in business since 1995 and currently provides services to nearly every state except Mississippi and West Virginia. The provider has hundreds of glowing reviews from customers online.
It uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsRenewal by Andersen has some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to ask for high-quality Energy Star windows when inquiring. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.
How much does Renewal by Andersen cost in El Cajon?While prices are not available on Andersen's website, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. For more detailed information on pricing, you can inquire about a quote from the company.

Universal Windows Direct
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Makes charitable contributions
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Manufactures products in-house
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Wide variety of products and services
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Lifetime warranty
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Limited service area
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Some installations carried out by third-party contractors
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Quality of service will depend on your area
Universal Windows Direct offers the best warranty in El Cajon. This window installation company has been in business since 2002 and currently provides services to 27 states nationwide. The provider has hundreds of glowing reviews from customers online.
Universal may be the company for you if you're looking for one that has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsUniversal Windows Direct is an Energy Star partner offering a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company's windows are Energy Star certified, so make sure to mention that you want energy-efficient windows to your Universal representative when inquiring about services.
How much does Universal Windows Direct cost in El Cajon?Prices are not available on Universal's website because the cost of window replacement varies greatly based on how many and what type(s) of windows you need. However, installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. For more accurate information on the cost, you can receive a quote from the company.
We have tried to be unbiased and transparent by listing pros and cons for every provider. Additionally, any partnerships do not affect our rankings.
More Window Replacement Companies in El Cajon
The Glass Guru
Carlsbad, CA-
Reliable Service
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Award-Winning
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No-fee Quotes
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Good Customer Service
Services Offered
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Glass Showers
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Tempered Glass
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Custom Windows
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Aluminum Window Frames
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Full-Service Installations
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Business Windows
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Double-Hung
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Sliding Glass
Renewal by Andersen of Greater San Diego
San Diego, CA-
Educational Website
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Price Transparency
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Excellent Customer Service
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Award-Winning
Services Offered
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Custom Windows
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Business Windows
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Double-Hung
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Stained Glass
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Sliding Glass
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Bay Windows
Best Value Glass Inc
Lakeside, CA-
Good Customer Service
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Helps Educate Customers
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No-fee Quotes
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No-Hassle Pricing
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Windows
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Residential Windows
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Commercial Windows
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Sliding Glass
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Heavy Glass
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Aluminum Window Frames
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Glass Showers
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Energy-Efficient Options
BM Windows
San Diego, CA-
Good Customer Service
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Helps Educate Customers
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No-fee Quotes
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Charitable Giving
Services Offered
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Residential Windows
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Architectural Glass
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Energy-Efficient Options
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Custom Window Designs
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Commercial Windows
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Sliding Glass
Ecotech Windows & Doors
San Diego, CA-
Free Quotes
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Good Customer Service
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Dependable Service
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Helps Educate Customers
Services Offered
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Residential Windows
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Glass Showers
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Energy-Efficient Options
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Custom Window Designs
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Aluminum Window Frames
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Commercial Windows
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Double-Hung
Pacifica Glass Company
Santee, CA-
No-Hassle Pricing
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Helps Educate Customers
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Free Quotes
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Good Customer Service
Services Offered
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Residential Windows
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Tempered Glass
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Custom Windows
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Aluminum Window Frames
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Full-Service Installations
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Commercial Windows
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Double-Hung
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Sliding Glass
The Window Shoppe
Vista, CA-
Free Quotes
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Educational Website
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Consistent Workmanship
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Good Customer Service
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Windows
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Residential Windows
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Sliding Glass
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Energy-Efficient Options
Pelican Replacement Windows
Vista, CA-
Price Transparency
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Educational Website
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Dependable Service
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Excellent Customer Service
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Windows
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Sliding Glass
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Energy-Efficient Options
Clear Concepts Window & Door
San Diego, CA-
Free Quotes
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No-Hassle Pricing
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Helps Educate Customers
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Dependable Service
Services Offered
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Residential Windows
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Custom Windows
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Aluminum Window Frames
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Commercial Windows
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Double-Hung
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Sliding Glass
Action Window and Door
Spring Valley, CA-
No-fee Quotes
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Good Customer Service
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No-Hassle Pricing
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Educational Website
Services Offered
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Architectural Glass
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Energy-Efficient Options
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Custom Windows
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Aluminum Window Frames
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Business Windows
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Double-Hung
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Sliding Glass
Glenview Glass & Screen Inc.
El Cajon, CA-
Timely Service
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Dependable Service
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Good Customer Service
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Price Transparency
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Windows
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Residential Windows
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Business Windows
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Sliding Glass
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Glass Showers
Window World of San Diego
Vista, CA-
No-Hassle Pricing
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Educational Website
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Dependable Service
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Free Quotes
Services Offered
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Custom Windows
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Architectural Glass
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Sliding Glass
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Double-Hung
Sears Window Replacement
Ramona, CA-
Good Customer Service
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No-fee Quotes
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Helps Educate Customers
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No-Hassle Pricing
Services Offered
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Sliding Glass
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Custom Windows
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Energy-Efficient Options
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Double-Hung
Bonita Home Window Replacement, Inc.
Bonita, CA-
Free Quotes
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Price Transparency
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Consistent Workmanship
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Locally Recognized for Quality
Services Offered
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Custom Window Designs
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Sliding Glass
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Business Windows
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Double-Hung
US Window & Door - San Diego
San Diego, CA-
Price Transparency
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Helps Educate Customers
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Dependable Service
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No-fee Quotes
Services Offered
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Custom Windows
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Aluminum Window Frames
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Business Windows
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Double-Hung
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Sliding Glass
US Window & Door - Carlsbad
Carlsbad, CA-
Reliable Service
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Helps Educate Customers
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No-Hassle Pricing
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Good Customer Service
Services Offered
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Custom Windows
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Aluminum Window Frames
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Commercial Windows
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Double-Hung
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Sliding Glass
JWG Windows & Doors Inc.
Poway, CA-
Locally Recognized for Quality
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No-Hassle Pricing
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No-fee Quotes
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Helps Educate Customers
Services Offered
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Energy-Efficient Options
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Custom Window Designs
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Business Windows
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Double-Hung
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Sliding Glass
Glass & Screens etc.
Lemon Grove, CA-
No-fee Quotes
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Good Customer Service
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No-Hassle Pricing
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Sliding Glass
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Fast Delivery
360 Windows and Doors
Escondido, CA-
No-fee Quotes
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Reliable Appointment Windows
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No-Hassle Pricing
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Educational Website
Services Offered
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Custom Window Designs
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Full-Service Installations
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Double-Hung
American Vision Windows
San Diego, CA-
No-Hassle Pricing
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Educational Website
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Excellent Customer Service
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No-fee Quotes
Services Offered
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Energy-Efficient Options
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Custom Window Designs
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Aluminum Window Frames
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Double-Hung
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Stained Glass
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Sliding Glass
RB Glass & Mirror
San Diego, CA-
Price Transparency
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Arrives on Time
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Good Customer Service
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Dependable Service
Services Offered
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Full-Service Installations
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Sliding Glass
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Heavy Glass
Escondido Glass Company, Inc.
Escondido, CA-
Excellent Customer Service
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No-Hassle Pricing
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Free Quotes
Services Offered
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Full-Service Installations
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Custom Window Designs
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Residential Windows
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Business Windows
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Heavy Glass
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Glass Showers
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Energy-Efficient Options
Newman Windows and Doors - Carlsbad
Carlsbad, CA-
No-Hassle Pricing
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Excellent Customer Service
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Dependable Service
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No-fee Quotes
Services Offered
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Custom Windows
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Aluminum Window Frames
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Sliding Glass
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Double-Hung
Masterpiece Leaded Windows
Santee, CA-
No-Hassle Pricing
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Excellent Customer Service
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Consistent Workmanship
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Educational Website
Services Offered
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Stained Glass
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Custom Windows
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Fast Delivery
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Sliding Glass
How Installing Energy-Efficient Windows in El Cajon Saves You Money
There are quite a few perks of upgrading to energy-efficient windows. Some reasons you may want to consider making the switch are the following:
- Protect your valuables: The low-emissivity coatings on many Energy Star certified windows help reduce damage from the sun's UV rays to your floors, carpets and furniture.
- Decrease your carbon footprint: Reducing the amount of energy you use also lowers your carbon emissions. You could reduce it by about 117 pounds.
- Save money on power bills: According to the Department of Energy, heat gained or lost through windows makes up about 25-30% of residential energy use. Installing energy-efficient models can help decrease how much energy is used in your home, therefore saving you about 12% more on your bills.
- Protect your investment: When your home is on the older side, your windows could also be outdated or damaged. Upgrading and repairing your windows is an important part of maintaining your property and its real estate value.
Estimated Cost of Window Replacement in El Cajon
When researching window installation, each company provides varying services and prices. Let's look at some typical costs and services.
How Much Do New Windows Cost?
The national average cost to install one window is about $600 but can range from $200 to $1,200. But prices differ considerably depending on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window companies also offer door installations and replacements, which will make your project cost more.
Bear in mind that energy-efficient windows may have a higher price, but Energy Star predicts the upgrade will save you between $101 and $583 per year when you replace single-pane windows and between $27 and $197 per year when you replace double-pane, clear glass windows. Your exact savings will vary depending on your local climate, energy rates and individual home characteristics.
Getting free quotes from several installers is the best way to figure out which one is right for you.
What Services do Window Installers Offer?
Generally, there are two types of window installation services you can get: full-frame and pocket installations.
Full-frame installations are necessary when you want to change the style of your windows or your window has significant rot. With this service, your installers will replace the full window, including the sill, trim and frame. A pocket installation involves replacing a window within the frame that's already there. This means instead of taking out the whole window and reinstalling it, the window installer will just put the replacement window (also called a retrofit or insert window) into the frame.
Your window installation company will be able to recommend the best type for your project. In El Cajon, the choice will mostly be influenced by how much damage there is currently and the condition of your existing frames.
Best Affordability
Window World
- Low prices relative to competitors
- EnergyStar Partner
- Large serice area
- Quality of service will depend on your area
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Entails hiring third-party contractors
Best Overall
Renewal by Andersen
- Manufactures products in-house
- Award-winning company
- Great industry reputation
- More expensive than competition
How We Choose the Best Window Installers in El Cajon
In our hunt to find the most reliable, eco-friendly window installers in El Cajon, EcoWatch assessed many companies before landing on these. We've evaluated the best window replacement companies in El Cajon mostly based on their energy efficient offerings, as the most sustainable option also benefits homeowners in many ways. Energy-efficient windows have been shown to cut your energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:
Service Area
Since this is a guide for El Cajon, we paid more attention to companies that serve the city. There are certainly reputable providers that didn't make the list because of the low odds that they would serve the average homeowner in El Cajon.
Work Quality
When installing new windows, the quality and range of services can often play just as important of a role in overall efficiency and performance as the type of window you opt for. We do give window installers more points if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.
Customer Reviews
We analyzed patterns in recent online reviews to determine the companies with the highest rates of customer satisfaction, weighted by sample size. Customer satisfaction may be the most important factor, as it indicates the quality of services across nearly every category, including professionalism, cost, quality of parts, quality of installation, warranty and more.
Cost
This one is a give-and-take: similar to most services, cheap window installers won't always provide the most quality service. On the other hand, we want to make sure we're highlighting companies that provide a wide range of price and financing options so they're accessible to most homeowners.
Warranty
As discussed, windows are a substantial investment, so you'll want to be certain that investment is well protected. Window installation companies that give you lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have been in the industry for quite some time. Window installers that have more years of experience will earn higher rankings by our standards. We like to see at least ten years of experience.
El Cajon, CA Window Replacement FAQs
What is the average cost to replace windows?
The typical cost to install a single window ranges from $450 to $650. There are many factors that affect how much it costs, such as the materials used in designing the windows, your property's location, styles and sizes of windows, the number of windows, local labor costs and how energy-efficient the windows are.
What are the kinds of windows?
The most common types of windows for homes include: bay windows, slider windows, double-hung and single-hung windows, transom windows, picture windows, casement windows and awning windows.
Do you really need to use a window installation company?
You should hire a window installation professional whenever you need new windows. Installing windows is a involved process that can be difficult to do on your own, so it's best handled by the professionals.
How long does window installation usually take?
Because a window takes about 30 minutes to install, around 16 windows can be installed during an 8-hour work day.