20 Best Window Companies in Poway, CA (2025 Reviews)
Thinking about improving your house’s look? The best window replacement companies can help.
We analyzed all the top-rated window companies in Poway and selected the best 20 based on:
Customer reviews
Window installation expertise
Popularity with home-owners like you
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Why you can trust EcoWatch
A guide on the best window installation companies in Poway may not seem like the most compelling article on EcoWatch, but trust us, windows impact your life more than you might realize. Drafty or leaky windows can make your home uncomfortable in the summer or winter.
That’s also bad news for the environment, as the additional energy required by old windows increases your carbon footprint.
So if you’re constructing a new home, renovating or updating your windows in Poway, this is the best place to get started.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
Best Window Installation & Replacement Companies in Poway
The EcoWatch team researched several window installation companies across Poway to narrow our list down to the best ones. The companies mentioned in this article scored the best in our review categories, such as energy-efficient offerings, availability, customer service, local expertise, price and more.

Window World
EnergyStar Partner
Large serice area
Low prices relative to competitors
Great industry reputation
Lifetime warranty
Quality of service will depend on your area
Window World has windows expertise in Poway. Window World has around 27 years of experience in the window installation sector. Hundreds of positive reviews from customers online back the provider's reputation.
Window World may be the company for you if you're looking for one that 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 WindowsWindow World offers some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want Energy Star windows when inquiring. 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 Poway?Although prices are not readily available on Window World’s website, it's known for offering some of the most affordable window installations around. Receiving a free quote on its website is the best way to get more accurate information.

Milgard Windows & Doors
EnergyStar Partner
Wide network of installers
Lifetime warranty available
Entails hiring third-party contractors
Limited additional services
Milgard Windows & Doors has the best local installation in Poway. Milgard has around 60 years of experience in the window installation sector. Hundreds of positive reviews from customers online back the provider's reputation.
Milgard may be the company for you if you're looking for one that 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 mention that you want 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 Poway?Although prices are not readily available on Milgard’s website, it offers different kinds of windows at varying price points. Receiving a free quote on its website is the best way to get more accurate information.

Renewal by Andersen
Great industry reputation
Award-winning company
Member of US Green Building Council
Manufactures products in-house
No lifetime warranty
More expensive than competition
Renewal by Andersen has the best availability in Poway. Andersen has around 27 years of experience in the window installation sector. Hundreds of positive reviews from customers online back the provider's reputation.
Andersen may be the company for you if you're looking for one that 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 offers some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want 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 Poway?Although prices are not readily 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. Receiving a free quote on its website is the best way to get more accurate information.
Please note that the companies in this section are national, which means the quality of the service may depend on your local team. We have tried to stay unbiased and transparent by including both pros and cons for each company.
More Window Companies in Poway
Renewal by Andersen of Orange County
Laguna Hills, CAGood Customer Service
Educational Website
Free assessment
Price Transparency
Services Offered
Double-Hung
Glass Doors
Window Replacement/Installation
Bay Windows
DaBella
San Diego, CALimited lifetime warranty
Wide range of services
Good Customer Service
Timely Service
Financing options available
Services Offered
Vinyl Frames
Glass Doors
Double-Hung
Window Replacement/Installation
Clear Concepts Window & Door
San Diego, CAEducational Website
Price Transparency
Good Customer Service
Free assessment
Services Offered
Glass Doors
Double-Hung
Window Replacement/Installation
Designer Window Supply
San Diego, CAGood Customer Service
Price Transparency
Free assessment
Educational Website
Services Offered
Glass Doors
Skylights
Double-Hung
Window Replacement/Installation
Call My Guy
La Mesa, CATransparent pricing
Good Customer Service
Free assessment
Small business
Educational Website
Price Transparency
Wide range of services
Services Offered
Window Replacement/Installation
360 Windows and Doors
Escondido, CATimely Service
Good Customer Service
Free assessment
Services Offered
Window Replacement/Installation
Hometime Windows & Doors
Murrieta, CAPrice Transparency
Educational Website
Free assessment
Good Customer Service
Services Offered
Energy-Efficient Options
Glass Doors
Window Replacement/Installation
Mancino Door & Window, Inc.
Laguna Niguel, CAPrice Transparency
Educational Website
Free assessment
Services Offered
Window Replacement/Installation
US Window & Door - San Diego
San Diego, CAGood Customer Service
Price Transparency
Free assessment
Educational Website
Services Offered
Window Replacement/Installation
Double-Hung
Fiberglass Frames
Metal Frames
Triple Pane Glass
Vinyl Frames
Custom Window Designs
Glass Doors
Coughlin Windows & Doors Inc
Escondido, CATimely Service
Good Customer Service
Free assessment
Educational Website
Price Transparency
Services Offered
Vinyl Frames
Glass Doors
Energy-Efficient Options
Window Repair
Window Replacement/Installation
Double-Hung
Bay Windows
JWG Windows & Doors Inc.
Poway, CAFree assessment
Price Transparency
Good Customer Service
Services Offered
Glass Doors
Window Replacement/Installation
Energy-Efficient Options
Elor Energy, Inc.
San Diego, CAPrice Transparency
Good Customer Service
Free assessment
Educational Website
Timely Service
Services Offered
Glass Doors
Energy-Efficient Options
Window Replacement/Installation
BM Windows
San Diego, CAGood Customer Service
Educational Website
Free assessment
Price Transparency
Services Offered
Glass Doors
Window Replacement/Installation
Vinyl Frames
American Vision Windows
San Diego, CAGood Customer Service
Educational Website
Price Transparency
Free assessment
Services Offered
Glass Doors
Window Replacement/Installation
Energy-Efficient Options
Fiberglass Frames
Double-Hung
Wood Frames
Vinyl Frames
Window Solutions
Lakeside, CAEducational Website
Free assessment
Good Customer Service
Price Transparency
Services Offered
Window Replacement/Installation
Best Value Glass Inc
Lakeside, CAFree assessment
Educational Website
Good Customer Service
Services Offered
Window Replacement/Installation
Mirrors
Glass Showers
Energy-Efficient Options
Vinyl Frames
Metal Frames
Glass Doors
Breeze Mobile - Door & Window Screens
Solana Beach, CAEducational Website
Timely Service
Price Transparency
Good Customer Service
Free assessment
Services Offered
Glass Doors
Window Replacement/Installation
Screen Repair
Wood Frames
Window Repair
PandaWhite, Inc.
Vista, CAFree assessment
Price Transparency
Good Customer Service
Services Offered
Double-Hung
Window Replacement/Installation
Wood Frames
Energy-Efficient Options
Advanced Window
Valley Center, CAEducational Website
Free assessment
Services Offered
Window Replacement/Installation
Energy-Efficient Options
The Glass Guru
Temecula, CAEducational Website
Free assessment
Good Customer Service
Services Offered
Screen Repair
Glass Repair
Custom Glass
Wood Frames
Triple Pane Glass
Energy-Efficient Options
Mirrors
Window Replacement/Installation
Glass Showers
Glass Doors
Vinyl Frames
Storm/Impact Windows
Metal Frames
Skylights
Tempered Glass
Window Repair
Fiberglass Frames
Calculate how much you can expect to pay for window installation and replacement in Poway, CA using our customized window cost calculator.
Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.
How Installing Energy-Efficient Windows in Poway Saves You Money
By switching to energy-efficient windows, you and your family can benefit in several ways, such as:
- Decrease your carbon footprint: Since energy-efficient windows improve the insulation in your house, you can reduce your indirect greenhouse gas emissions by about 12%, according to Energy Star.
- Save on power bills: Since energy-efficient windows decrease how much energy you need to heat or cool your home, the switch can help you save around $491 annually on your energy bills in Poway.
- Protect your investment: Keeping your windows up to date is an important part of maintaining your property and its real estate value, especially if you have an older home.
- Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
Estimated Cost of Window Replacement in Poway
Each window installation company provides various services and has different costs based on several factors.
How Much Do New Windows Cost?
Generally, Poway homeowners can expect their replacement window installations to range from $250 to $1,200. The most common installations sit at about $600. But costs will differ considerably depending on your location, the number of windows you need, the current condition of your home and the quality of your products. A lot of window companies also offer replacement door installations and other add-ons like shutters, coating, baths and more. These extra services will increase overall project costs.
Bear in mind that energy-efficient windows may cost more upfront, but Energy Star estimates the upgrade will save you between $101 and $583 per year when you install single-pane windows and between $27 and $197 per year when you install double-pane, clear glass windows. Your exact savings will vary based on your local climate, energy rates and individual home characteristics.
We recommend requesting free quotes from multiple window installers to find the one that works best for your budget.
What Services do Window Installers Offer?
The first question to ask yourself when planning on installing new windows is: Do you want a full-frame installation or a pocket installation?
A full-frame installation is a replacement of the total window. It involves taking out the old window, the windowsill, and the exterior and interior trim. It also involves additional materials, including insulation and drip edges, which raise the overall cost of the project. Also worth noting: it’s not uncommon for homeowners to have to touch up the paint surrounding the window after a full-frame installation. A pocket installation entails replacing a window without removing the entire frame, which tends to be cheaper than a full-frame installation.
If you’re unsure which window installation service you should get, your installer should be able to help you out. Generally, the choice depends on factors such as the age and condition of the home, the type of building material, budget and time restrictions.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
How We Choose the Best Window Installers in Poway
EcoWatch reviews are different from other reviews since we evaluate these companies through a sustainability lens. Along with energy efficiency, we analyzed several window installers in Poway and assigned rankings using the following methodology:
Service Area
Because this is a guide for Poway, we only included companies that serve the city. There are certainly reputable providers that didn’t make our list because they wouldn’t be able to serve homeowners in Poway.
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 factor in workmanship as reflected in customer feedback.
Customer Reviews
Customer feedback is another very important review factor. If the majority of customers don’t have nice feedback about their service from a certain company, you won’t see it featured on EcoWatch.
Cost
This one is a give-and-take: similar to other services, cheap window installers won’t always provide the most quality service. On the other hand, we want to ensure we’re highlighting companies that offer a wide range of price and financing options so they’re accessible to most homeowners.
Warranty
Protecting your investment in new windows is important. That’s why window installation companies that have 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 a while. Window installers that have more experience earn higher rankings by our standards. We like to see at least ten years of experience.
Poway, CA Window Replacement FAQs
What is the average cost to install windows in a home?
The average cost to install a single window ranges between $450 and $650. There are a variety of factors that affect how much it costs, which include the materials used in designing the windows, how energy-efficient the windows are, styles and sizes of windows, local labor costs, the number of windows and your property’s location.
What are the most common types of replacement windows?
The most common types of windows for homes include: awning windows, slider windows, bay windows, transom windows, double-hung and single-hung windows, picture windows and casement windows.
Do I really have to use a window installation company?
You should hire a window installation company whenever you want to replace your windows. Installing windows is a involved process that can take a lot of time, so it’s best handled by the professionals.
What time of year is a good time to replace my windows?
Although you can install windows any time of year, warmer weather is generally better for replacing windows. In addition, it shouldn’t be raining, since rain can make the installation harder.
Should I replace my windows all at the same time?
If your windows are greater than 20 years old, you probably need to replace all of them. By that point, they are typically less efficient, draftier and/or more damaged than new windows. Doing your windows all at the same time will involve less paperwork and less stress.