20 Best Window Companies in Simi Valley, CA (2024 Reviews)

Thinking about upgrading your home's windows? We’ve got all the information you need in this guide to the best window installation companies.

We analyzed all the top-rated window companies in Simi Valley and selected the best 20 based on:

  • Customer reviews
  • Window installation expertise
  • Popularity with home-owners like you
EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated February 01, 2024

Why you can trust EcoWatch

Our panel of energy experts work tirelessly to create unbiased reviews and informative content to help homeowners make educated decisions. No other windows site has covered energy efficiency and sustainability as long as EcoWatch, which means we're going to help you find windows replacements that will save on your energy bill and put more money back in your wallet.

A guide on the best window replacement companies in Simi Valley may not seem like the most captivating article on EcoWatch, but trust us, windows have a more direct impact on your life than you might realize. If your windows are drafty or damaged, you could be sending 25-30% of your home’s heat or cool air out of them.

Installing energy-efficient windows on your property can help you save money each month on your electricity bills — and you can help the environment, too.

Efficient windows are particularly important in Simi Valley, where summers are long and hot. According to Energy Star, making the switch to energy-efficient windows can save the average homeowner up to $572 a year.

Best Availability

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house

Best Energy-Efficient Features

Champion

★★★★★
4.5

  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty

Window Veteran

Window World

★★★★★
4.5

  • EnergyStar Partner
  • Wide variety of products and services
  • Lifetime Warranty

Best Window Installation & Replacement Companies in Simi Valley

The EcoWatch team evaluated many window providers in Simi Valley to find the best ones for our readers. The companies in this article passed our review standards for energy-efficient offerings as well as price, local expertise, customer service and beyond.

Renewal by Andersen logo
FAST QUOTE
as little as 30 seconds
Best Overall

Renewal by Andersen

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has around 27 years of industry experience, and it currently serves nearly every state except Mississippi and West Virginia.

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 Windows

Renewal by Andersen 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 Andersen representative when inquiring about services.

How much does Renewal by Andersen cost in Simi Valley?

Andersen doesn’t have any cost 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 information.

Window World logo
FAST QUOTE
as little as 30 seconds
Best Affordability

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Large serice area
  • Pros icon Low prices relative to competitors
  • Pros icon Great industry reputation
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Quality of service will depend on your area

Window World is the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has around 27 years of industry experience, and it currently serves 200 locations nationwide.

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 Windows

Window World 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 Window World representative when inquiring about services.

How much does Window World cost in Simi Valley?

Window World doesn’t have any cost 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 information.

Milgard Windows & Doors logo
FAST QUOTE
as little as 30 seconds
Excellent Reputation

Milgard Windows & Doors

★★★★★
BBB Rating: A
Locations: West Coast
Founded: 1962
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Wide network of installers
  • Pros icon Lifetime warranty available
Cons:
  • Pros icon Entails hiring third-party contractors
  • Pros icon Limited additional services

Milgard Windows & Doors is a family-owned and -operated window replacement company, which primarily serves the West Coast. Milgard has around 60 years of industry experience, and it currently serves Anaheim, Riverside, Los Angeles, San Bernardino and Orange counties.

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 Windows

Milgard Windows & Doors 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 Milgard representative when inquiring about services.

How much does Milgard Windows & Doors cost in Simi Valley?

Milgard doesn’t have any cost 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 information.

Universal Windows Direct logo
FAST QUOTE
as little as 30 seconds
Best Warranty

Universal Windows Direct

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 2002
Pros:
  • Pros icon Makes charitable contributions
  • Pros icon Manufactures products in-house
  • Pros icon Wide variety of products and services
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Limited service area
  • Pros icon Some installations carried out by third-party contractors
  • Pros icon Quality of service will depend on your area

Universal Windows Direct is a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has around 20 years of industry experience, and it currently serves 27 states nationwide.

It has established itself as a company that has an industry-leading warranty covering products, parts and workmanship for life.

Energy Efficiency of Universal Windows Direct Windows

Universal 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 Simi Valley?

Universal doesn’t have any cost information listed on its website, but 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. Getting a free quote on its website is the best way to get more accurate information.

We aim to remain unbiased and transparent by describing pros and cons for every company we review. Additionally, our rankings are not influenced by any partnerships.

More Window Companies in Simi Valley

Renewal by Andersen of Los Angeles

Torrance, CA
4.6
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Install & Replacement
  • Service icon Bay Windows
  • Service icon Sliding Glass Doors
  • Service icon Andersen
  • Service icon Glass Doors
  • Service icon Commercial Windows
  • Service icon Skylights

Website: https://www.renewalbyandersen.com/window-company/088-los-angeles-ca/about-us
Address: 18700 Crenshaw Blvd, Torrance, CA 90504
Phone: (310) 214-2222

Window World of Los Angeles

Covina, CA
4.5
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Vinyl Frames
  • Service icon Window Install & Replacement
  • Service icon Double-Hung
  • Service icon Bay Windows
  • Service icon Sliding Glass Doors

Website: https://www.windowworldla.com/
Address: 718 Arrow Grand Cir, Covina, CA 91722
Phone: (310) 564-7299

The Window Factory

Simi Valley, CA
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Bay Windows
  • Service icon Glass Doors
  • Service icon Commercial Windows
  • Service icon Energy-Efficient Options
  • Service icon Sliding Glass Doors
  • Service icon Triple Pane Glass
  • Service icon Window Install & Replacement

Website: https://www.thewindowfactory.com/
Address: 1060 E Los Angeles Ave, Simi Valley, CA 93065
Phone: (805) 257-1196

American Vision Windows

Simi Valley, CA
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Stained Glass
  • Service icon Vinyl Frames
  • Service icon Fiberglass Frames
  • Service icon Aluminum Frames
  • Service icon Window Install & Replacement
  • Service icon Wood Frames
  • Service icon Energy-Efficient Options
  • Service icon Bay Windows
  • Service icon Sliding Glass Doors

Website: https://www.americanvisionwindows.com/locations/los-angeles-ventura-county/
Address: 2125 Madera Rd, Simi Valley, CA 93065
Phone: (805) 864-5452

Milgard Windows & Doors

Simi Valley, CA
4.6
★★★★★
  • Pros icon Educational Website
  • Pros icon Timely Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Glass Doors
  • Service icon Energy-Efficient Options
  • Service icon Bay Windows
  • Service icon Fiberglass Frames
  • Service icon Sliding Glass Doors
  • Service icon Milgard
  • Service icon Aluminum Frames
  • Service icon Window Install & Replacement

Website: http://milgard.com/
Address: 355 E Easy St S, Simi Valley, CA 93065
Phone: (805) 581-6325

Nu-Star Glass and Mirror

Simi Valley, CA
4.6
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Fiberglass Frames
  • Service icon Vinyl Frames
  • Service icon Energy-Efficient Options
  • Service icon Window Repair
  • Service icon Custom Glass
  • Service icon Commercial Windows
  • Service icon Window Install & Replacement
  • Service icon Mirrors
  • Service icon Glass Repair
  • Service icon Glass Showers
  • Service icon Glass Doors

Website: https://nustarglass.com/
Address: 350 E Easy St #12, Simi Valley, CA 93065
Phone: (805) 582-9199

Agoura Sash & Door, Inc.

Westlake Village, CA
4.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Skylights
  • Service icon Sliding Glass Doors
  • Service icon Glass Doors
  • Service icon Andersen
  • Service icon Simonton
  • Service icon Ply Gem
  • Service icon Fiberglass Frames
  • Service icon Milgard
  • Service icon Kolbe
  • Service icon Marvin
  • Service icon Aluminum Frames
  • Service icon Window Install & Replacement

Website: https://agourasash.com/
Address: 2301 Townsgate Rd, Westlake Village, CA 91361
Phone: (805) 449-2840

Frontier Windows & Doors

Canoga Park, CA
4.5
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Good Customer Service

Services Offered

  • Service icon Simonton
  • Service icon Window Install & Replacement
  • Service icon Aluminum Frames
  • Service icon Fiberglass Frames
  • Service icon Milgard
  • Service icon Energy-Efficient Options
  • Service icon Sliding Glass Doors
  • Service icon Vinyl Frames

Website: http://www.frontierwindows.net/
Address: 21426 Sherman Way, Canoga Park, CA 91303
Phone: (818) 478-0074

California Deluxe Windows

Chatsworth, CA
4.3
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Sliding Glass Doors
  • Service icon Commercial Windows
  • Service icon Glass Doors
  • Service icon Vinyl Frames
  • Service icon Bay Windows
  • Service icon Custom Window Designs
  • Service icon Window Install & Replacement

Website: https://cdwindows.com/
Address: 20735 Superior St, Chatsworth, CA 91311
Phone: (747) 277-4866

Preferred Glass And Windows

Simi Valley, CA
3.6
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

  • Service icon Glass Showers
  • Service icon Window Install & Replacement
  • Service icon Stained Glass
  • Service icon Commercial Windows
  • Service icon Mirrors

Website: http://preferredglassandwindows.com/
Address: 1296 E Los Angeles Ave, Simi Valley, CA 93065
Phone: (805) 495-7976

Sivan Windows and Doors - Los Angeles Window and Door Replacement Company

Northridge, CA
4.4
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Timely Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Window Install & Replacement
  • Service icon Milgard
  • Service icon Sliding Glass Doors
  • Service icon Aluminum Frames
  • Service icon Fiberglass Frames
  • Service icon Commercial Windows
  • Service icon Simonton

Website: https://www.sivanwindowsanddoors.com/
Address: 19865 Nordhoff St, Northridge, CA 91324
Phone: (800) 559-9150

Progressive Insulation & Windows

Chatsworth, CA
3.3
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Window Install & Replacement

Website: http://www.progressiveiw.com/
Address: 9750 CA-27, Chatsworth, CA 91311
Phone: (800) 500-6200

Oakstone Glass Corporation

Thousand Oaks, CA
3.1
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Commercial Windows
  • Service icon Glass Showers
  • Service icon Window Repair
  • Service icon Glass Doors
  • Service icon Window Install & Replacement
  • Service icon Mirrors

Website: http://www.oakstoneglass.com/
Address: 3330 Thousand Oaks Blvd, Thousand Oaks, CA 91362
Phone: (805) 495-0441

SoCal Energy Contractors, Inc.

Northridge, CA
4.5
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Vinyl Frames
  • Service icon Window Install & Replacement
  • Service icon Glass Doors
  • Service icon Sliding Glass Doors

Website: http://www.socalenergyinc.com/
Address: 8345 Reseda Blvd #204, Northridge, CA 91324
Phone: (833) 929-1440

Arrow Glass

Thousand Oaks, CA
3.1
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Repair
  • Service icon Glass Repair
  • Service icon Glass Showers
  • Service icon Sliding Glass Doors
  • Service icon Mirrors
  • Service icon Window Install & Replacement

Website: https://www.customglassthousandoaks.com/
Address: 2540 Thousand Oaks Blvd, Thousand Oaks, CA 91362
Phone: (805) 497-8152

My Window Solutions

Newbury Park, CA
3.4
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Fiberglass Frames
  • Service icon Simonton
  • Service icon Aluminum Frames
  • Service icon Window Install & Replacement
  • Service icon Window Repair
  • Service icon Sliding Glass Doors

Website: http://www.mywindowsolutions.com/
Address: 3537 Old Conejo Rd 112 and #117, Newbury Park, CA 91320
Phone: (805) 499-9111

Emergency Glass repair and Board Up

Thousand Oaks, CA
2.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Sliding Glass Doors
  • Service icon Window Install & Replacement
  • Service icon Glass Repair
  • Service icon Window Repair
  • Service icon Glass Doors
  • Service icon Commercial Windows
  • Service icon Glass Showers

Website: https://emergencyglassrepairandboardupservices.com/
Address: 3554 N Avenida Montuoso, Thousand Oaks, CA 91362
Phone: (805) 551-2460

CGH Solutions - California Green Home Solutions

Van Nuys, CA
4.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Window Install & Replacement
  • Service icon Window Repair

Website: https://cghsolutions.com/
Address: 7020 Hayvenhurst Ave suite b, Van Nuys, CA 91406
Phone: (562) 644-5530

Westoaks Glass and Mirror, Inc.

Westlake Village, CA
2.8
★★★★★
  • Pros icon Timely Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Skylights
  • Service icon Window Repair
  • Service icon Mirrors
  • Service icon Tempered Glass
  • Service icon Custom Glass
  • Service icon Window Install & Replacement
  • Service icon Commercial Windows
  • Service icon Glass Showers
  • Service icon Glass Repair

Website: http://westoaksglass.com/
Address: 31210 La Baya Dr, Westlake Village, CA 91362
Phone: (310) 456-1315

Frontline Windows & More Inc.

Chatsworth, CA
2.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Bay Windows
  • Service icon Window Install & Replacement

Website: http://www.frontlinewindows.net/
Address: 9607 Canoga Ave, Chatsworth, CA 91311
Phone: (818) 773-0225
Simi Valley Window Cost Calculator

Calculate how much you can expect to pay for window installation and replacement in Simi Valley, CA using our customized window cost calculator.

Estimated Window Cost:
161 homeowners have requested a free estimate in the last 3 days.

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 Simi Valley Saves You Money

Upgrading to energy-efficient windows can help improve the comfort of your home and help you save on power bills. Here are more details about how upgrading your windows could benefit you:

  • Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.
  • Reduce your carbon footprint: By using less energy once switching to energy-efficient windows, you’ll also be cutting your indirect greenhouse gas emissions by about 12%, according to Energy Star.
  • Protect your investment: If your home is on the older side, your windows are most likely outdated. Updating your windows can improve the insulation in your home and also help increase the value of your house if you decide to sell.
  • Save on energy bills: The Department of Energy estimates that heat gained or lost via windows accounts for about 25-30% of energy use in your home. Installing energy-efficient windows can help decrease that number, which helps you save more on your bills.

Estimated Cost of Window Replacement in Simi Valley

Windows come in varying shapes, styles and purposes, so costs and services will vary greatly based on several factors. Below, we describe the average cost and services that you’ll find from window replacement companies.

How Much Do New Windows Cost?

The national average cost to replace one window is about $600 but can range anywhere from $200 to $1,200. These amounts vary depending on specific characteristics of your installation, such as the location of your home, number of windows, type, material, size and more.

Whether or not you choose energy-efficient windows is another factor that will affect the cost. These will usually cost more than other windows, but on the other hand, you can save about $572 a year on your energy bills in Simi Valley.

The cost of your window installation will also vary depending on the type of material you choose for the frames. Wood windows are generally the most expensive, although it depends on whether they are 100% 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?

When considering window replacements, there are generally two kinds that your provider will offer: full-frame and pocket installations.

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 can also involve additional materials, like 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 within the existing frame, which tends to be cheaper than a full-frame installation.

If you’re still debating which type of installation you need, you can talk to your provider and get their recommendation. The decision mostly is influenced by the age of your window frames and if there’s any damage.

Best Availability

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house

Best Energy-Efficient Features

Champion

★★★★★
4.5

  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty

Window Veteran

Window World

★★★★★
4.5

  • EnergyStar Partner
  • Wide variety of products and services
  • Lifetime Warranty

How We Choose the Best Window Installers in Simi Valley

EcoWatch reviews are different from other reviews since we examine these companies through a sustainability lens. We’ve decided to review the top window installation companies in Simi Valley mostly based on energy efficiency, as it’s the most sustainable option and the best one for homeowners. Energy-efficient windows have been shown to reduce your electricity 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 Simi Valley, we gave more points to companies that cover the city. There are other reputable providers that didn’t make the list because of the low odds that they would serve the average homeowner in Simi Valley.

Work Quality

We’re certain that you’re looking for a company to do a great job installing windows. We’ve vetted each installer included in our guide to ensure its contractors are well-qualified and that the company has gotten plenty of positive customer feedback to vouch for its service.

Customer Reviews

We analyzed patterns in recent customer feedback to determine the companies with the most customer satisfaction, weighted by sample size. Customer satisfaction may be the factor we place the most value on, as it indicates the quality of services across nearly every category, including cost, warranty, professionalism, quality of installation, quality of parts and more.

Cost

Cheaper windows don’t necessarily mean better windows, but we know many of our readers try to keep costs low when possible. When analyzing providers’ prices, we gave higher points to companies with reasonable prices and accessible financing rather than “cheaper” services.

Warranty

As discussed, windows are a considerable investment, so you’ll want to make sure that investment is protected. Window installation companies with lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

Due to Simi Valley’s climate, homeowners need to be wary of low efficiency, rot and water damage. We factored in local experience to reflect the ability of Simi Valley window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.

Simi Valley, CA Window Replacement FAQs

What is the typical cost to install windows?

The typical cost of installing a window can range between $450 and $650. There are many factors that influence how much it costs, which include the number of windows, local labor costs, how energy-efficient the windows are, your property’s location, the materials used in designing the windows and styles and sizes of windows.

Which type of window should I get?

A window’s energy efficiency is influenced by several factors, including the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are usually the most energy-efficient and are certified by the U.S. Department of Energy.

What do window installers do?

Window installation professionals travel to your home to remove your old windows and replace them with new ones. Some providers install products distributed by other companies, whereas others are both manufacturers and installation companies combined. The installer will also clean up after the installation is finished.

When is the best time of year to replace windows?

Replacement windows can be installed any time of the year, but autumn might be the best season. Regardless of when you install them, the contractors will take steps to ensure that too much hot or cold air doesn’t get into the house, so the temperature outside doesn’t necessarily matter that much. What’s most important is that the weather should be dry.

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