11 Best Window Companies in Atascadero, CA (2024 Reviews)
Are you thinking about replacing your windows? Our guide to the top window installation companies can help you narrow down which one to choose.
We analyzed all the top-rated window companies in Atascadero and selected the best 11 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 Atascadero may not seem like the most compelling article on the EcoWatch site, but trust us, windows have a more direct impact on your life than you might realize. When it’s the middle of summer, your outdated and drafty windows could be making your home more difficult to cool and costing you more in power bills.
Replacement windows improve the insulation in your home, not only making you more comfortable during the summer and winter, but also saving you money and helping the environment.
So if you’re building a new home, renovating or changing out old windows in Atascadero, you’ve found the best place to get started.
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 Energy-Efficient Features
DaBella
- Great warranty
- Friendly sales representatives
- Offers good financing options
Best Window Installation & Replacement Companies in Atascadero
The EcoWatch Reviews team assessed many window providers across Atascadero to narrow our list down to the best ones. The installers we’ve included in this article scored best in our categories, which include energy-efficient offerings, availability, customer service, 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 Atascadero. Window World has been in the window installation business for about 27 years.
It has established itself as a company 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 carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you ask for high-quality 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 Atascadero?Window World doesn’t have any pricing information listed on its 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 pricing 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 Atascadero. Milgard has been in the window installation business for about 60 years.
It has established itself as a company 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 carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you ask for high-quality 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 Atascadero?Milgard doesn’t have any pricing information listed on its website, but it offers different kinds of windows at varying price points. Getting a free quote on its website is the best way to get more accurate pricing 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 Atascadero. Andersen has been in the window installation business for about 27 years.
It has established itself as a company 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 carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you 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 Atascadero?Andersen doesn’t have any pricing information listed on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. Getting a free quote on its website is the best way to get more accurate pricing information.
We’ve recommended companies with shining reputations, but bear in mind that these are national companies, so the quality of service may differ depending on your local crew. We have tried to stay unbiased and transparent by listing pros and cons for each company we reviewed.
More Window Companies in Atascadero
Construction Windows, LLC
Paso Robles, CAFree assessment
Price Transparency
Educational Website
Good Customer Service
Services Offered
Metal Frames
Fiberglass Frames
Custom Window Designs
Vinyl Frames
Glass Doors
Window Replacement/Installation
Templeton Glass
Paso Robles, CAPrice Transparency
Good Customer Service
Free assessment
Services Offered
Glass Doors
Mirrors
Window Replacement/Installation
Glass Showers
Custom Glass
Paso Robles Glass
Paso Robles, CAFree assessment
Price Transparency
Good Customer Service
Services Offered
Metal Frames
Tempered Glass
Mirrors
Glass Doors
Window Replacement/Installation
Glass Showers
Arroyo Grande Glass & Mirror
Arroyo Grande, CAPrice Transparency
Services Offered
Energy-Efficient Options
Custom Window Designs
Skylights
Glass Doors
Custom Glass
Mirrors
Window Replacement/Installation
Glass Showers
A-1 Glass, LLC
Paso Robles, CAGood Customer Service
Price Transparency
Free assessment
Services Offered
Window Replacement/Installation
Fiberglass Frames
Metal Frames
Vinyl Frames
Mirrors
Glass Showers
Central Coast Screens
San Luis Obispo, CAFree assessment
Price Transparency
Educational Website
Good Customer Service
Services Offered
Window Replacement/Installation
Screen Repair
Bay Windows
Los Osos Glass & Window Inc
Baywood-Los Osos, CAFree assessment
Good Customer Service
Price Transparency
Services Offered
Glass Doors
Window Replacement/Installation
Glass Showers
Artistic Glass
Atascadero, CAGood Customer Service
Price Transparency
Free assessment
Services Offered
Glass Doors
Window Replacement/Installation
Glass Showers
Contractors Glass Company
San Luis Obispo, CAPrice Transparency
Free assessment
Educational Website
Good Customer Service
Services Offered
Mirrors
Glass Showers
Window Replacement/Installation
Monarch Window
San Luis Obispo, CAGood Customer Service
Educational Website
Services Offered
Wood Frames
Metal Frames
Window Replacement/Installation
Glass Doors
Skylights
Artisan Windows and Doors
San Luis Obispo, CAPrice Transparency
Services Offered
Glass Doors
Window Replacement/Installation
Calculate how much you can expect to pay for window installation and replacement in Atascadero, 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 Atascadero Saves You Money
By switching to energy-efficient windows, you and your family can benefit in several ways, such as:
- Save money on energy bills: Once you install energy-efficient windows, you can expect a reduction in your bills by about 12% because you’ll need less energy to heat or cool your house.
- Protect your investment: Upgrading and repairing your windows 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.
- Reduce your carbon footprint: In Atascadero, you can reduce your indirect greenhouse gas emissions by about 117 pounds per year after you upgrade to energy-efficient windows.
Estimated Cost of Window Replacement in Atascadero
Each window installation company offers varying services and has varying price points depending on several factors.
How Much Do New Windows Cost?
According to our research, the average cost of installing a single window is around $600. However, window replacement costs can range from $200 to $1,200 per window. This is because of the fact that window installations depend on several factors specific to your home, like the size, material and number of windows you need to install, as well as where your property is located.
Bear in mind that energy-efficient windows may come at a higher price point, but Energy Star predicts the upgrade will save you between $101 and $583 a year when you install single-pane windows and between $27 and $197 per year when installing double-pane, clear glass windows. Your savings will vary based on your local climate, energy rates and individual home characteristics.
How much your window installation costs will also vary based on the kind of window material you choose for the frames. Wood windows are typically the most expensive, but it depends on whether they are solid wood or clad with aluminum or vinyl. Fiberglass windows also tend to be somewhat more expensive than vinyl, but they are more efficient.
What Services do Window Installers Offer?
The first step when planning an installation is to think about whether you need a full-frame or pocket installation.
A full-frame installation is a replacement of the full window. It involves taking out the old window, the windowsill, and the exterior and interior trim. It can also involve additional materials, such as insulation and drip edges, which increase the total cost of the project. It’s also worth noting that you may have to touch up the paint around the window after a full-frame installation. A pocket installation entails installing a new window within the old frame. So, instead of tearing out the whole unit and rebuilding it, the contractor will just put the replacement window (also called a retrofit or insert window) into the frame.
If you’re still debating which kind of installation to get, you can ask your installer and get their advice. The decision mostly is influenced by how old the frames are and if there’s any damage.
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 Energy-Efficient Features
DaBella
- Great warranty
- Friendly sales representatives
- Offers good financing options
How We Choose the Best Window Installers in Atascadero
In our search to find the most reliable, eco-friendly window installers in Atascadero, EcoWatch assessed dozens of companies before landing on these. We have evaluated the best window replacement companies in Atascadero mainly based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy-efficient windows can cut your power bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:
Service Area
This one is pretty self-explanatory, but we’ve chosen to highlight window installation companies that serve the Atascadero area so you can find a quality window installation company near you.
Work Quality
When picking new windows, the quality and range of services often plays just as important of a role in overall efficiency and performance as the type of window you get. 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 super important review factor. If most customers don’t have positive feedback about their experience with a certain company, it won’t be featured on EcoWatch.
Cost
Cheaper windows don’t necessarily mean better windows, but we know many of our readers would like to keep costs as low as possible. When analyzing providers’ prices, we awarded higher scores to companies with reasonable prices and accessible financing rather than “cheaper” services.
Warranty
As discussed, windows are a sizable investment, so you’ll want to make sure that investment is protected. Window installation companies that provide lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Because of Atascadero’s climate, homeowners need to be wary of low efficiency, water damage and rot. We factored in local experience to reflect the ability of Atascadero window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.
Atascadero, CA Window Replacement FAQs
What is the average cost to install windows?
The national average cost to install one window is around $600 but can range between $200 and $1,200, based on several factors. The price is generally influenced by the location of your property, the size of the window and the type and material of the window. Also, bear in mind that energy-efficient windows may cost more upfront but can save you hundreds of dollars a year in energy bills.
What kind of window is the best for energy efficiency?
A window’s energy efficiency is affected by a number of factors, such as the quality of the installation and what kind of window it is. Look for Energy Star Certified windows — these are usually the most energy-efficient and are certified by the U.S. Department of Energy.
Do you really have to use a window installation company?
You should use a window installation company whenever you need to upgrade your windows. Installing windows is a complicated process that can take a lot of time, so it’s best handled by the professionals.
What time of year is the best time to replace my windows?
While you can install windows any time of year, warmer weather is typically better for replacing windows. Additionally, it shouldn’t be raining, because rain can make the installation more difficult.