8 Best Window Companies in Altamont, OR (2025 Reviews)

If you’re thinking of getting new windows, our guide to the best window installation companies can help.

We analyzed all the top-rated window companies in Altamont and selected the best 8 based on:

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

By EcoWatch Local Advisors

Updated January 24, 2025

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 installation companies in Altamont may not seem like the most compelling article on the EcoWatch site, but trust us, windows impact your life more than you might realize. Traditional, outdated windows could lead to spending more on energy bills during the winter or summer months.

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

We’ve made this guide on the top installation companies to help you in your research, so you can not only benefit from brand-new windows, but also save money on your power bills.

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Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

Best Energy-Efficient Features

DaBella

★★★★★
4.0
  • Great warranty
  • Friendly sales representatives
  • Offers good financing options

Best Window Installation & Replacement Companies in Altamont

The EcoWatch team evaluated dozens of installers across the country to find the best window companies for our readers. The installers in this article scored the best in our review categories, which include energy-efficient offerings, customer service, availability, price, local expertise and more.

Window World logo
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 provides windows expertise in Altamont. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has over 27 years of experience in the windows industry, and it currently serves 200 locations nationwide. Hundreds of positive reviews on customer review websites back the provider's reputation.

If you’re looking for a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital, this may be the provider for you.

Energy Efficiency of Window World Windows

Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World’s windows are Energy Star certified, so make sure you mention that you’d like Energy Star windows when inquiring.

How much does Window World cost in Altamont?

Window World does not detail prices on its website, but it's known for offering some of the most affordable window installations around. The best way to know for sure is to receive a free quote from the company.

Milgard Windows & Doors logo
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 provides the best local installation in Altamont. It's a family-owned and -operated window replacement company, which primarily serves the West Coast. Milgard has over 60 years of experience in the windows industry, and it currently serves Anaheim, Riverside, Los Angeles, San Bernardino and Orange counties. Hundreds of positive reviews on customer review websites back the provider's reputation.

If you’re looking for a company that offers competitive pricing, a comprehensive warranty and installers that all have a minimum of 15 years of window installation experience, this may be the provider for you.

Energy Efficiency of Milgard Windows & Doors Windows

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. Not all of Milgard’s windows are Energy Star certified, so make sure you mention that you’d like Energy Star windows when inquiring.

How much does Milgard Windows & Doors cost in Altamont?

Milgard does not detail prices on its website, but it offers different kinds of windows at varying price points. The best way to know for sure is to receive a free quote from the company.

Renewal by Andersen logo
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 provides the best availability in Altamont. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has over 27 years of experience in the windows industry, and it currently serves nearly every state except Mississippi and West Virginia. Hundreds of positive reviews on customer review websites back the provider's reputation.

If you’re looking for a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started, this may be the provider for you.

Energy Efficiency of Renewal by Andersen Windows

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. Not all of Andersen’s windows are Energy Star certified, so make sure you mention that you’d like Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Altamont?

Andersen does not detail prices 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. The best way to know for sure is to receive a free quote from the company.

We’ve recommended companies with shining reputations, but keep in mind these are national companies, so the quality of service may vary depending on your local crew. We have tried to be unbiased and transparent by mentioning pros and cons for every company reviewed.

More Window Companies in Altamont

DaBella

White City, OR
4.7
★★★★★
  • Pros icon Timely Service
  • Pros icon Good Customer Service

Services Offered

  • Service icon Vinyl Frames
  • Service icon Double-Hung
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors

Website: https://dabella.us/location/medford/
Address: 8484 Crater Lake Hwy, White City, OR 97503
Phone: (541) 293-0654

Mountain View Window & Door

Medford, OR
4.7
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Educational Website

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: https://www.mtviewwindowanddoor.com/
Address: 4778 Crater Lake Ave, Medford, OR 97504
Phone: (541) 772-2272

Win-R Insulation Inc

Klamath Falls, OR
4.4
★★★★★
  • Pros icon Price Transparency

Services Offered

  • Service icon Skylights
  • Service icon Energy-Efficient Options
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Vinyl Frames

Website: http://www.winrinc.com/
Address: 2767 Altamont Dr, Klamath Falls, OR 97603
Phone: (541) 884-8008

Pacific Door & Sash

Central Point, OR
3.2
★★★★★

    Services Offered

    • Service icon Skylights
    • Service icon Metal Frames
    • Service icon Window Replacement/Installation

    Website: http://pacificdoorandsash.com/
    Address: 6345 Crater Lake Hwy, Central Point, OR 97502
    Phone: (541) 826-3944

    Ben The Builder Inc

    Ashland, OR
    3.1
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Window Replacement/Installation

    Website: https://benthebuilderinc.com/
    Address: 450 Siskiyou Blvd # 1, Ashland, OR 97520
    Phone: (541) 621-7862

    Home Services at The Home Depot

    Klamath Falls, OR
    3.1
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Good Customer Service
    • Pros icon Educational Website

    Services Offered

    • Service icon Glass Showers
    • Service icon Window Replacement/Installation
    • Service icon Energy-Efficient Options
    • Service icon Glass Doors

    Website: https://www.homedepot.com/l/Klamath-Falls/OR/Klamath-Falls/97603/4019/services
    Address: 6451 S 6th St, Klamath Falls, OR 97603
    Phone: (541) 234-3623

    Mitchell Window & Door

    Central Point, OR
    2.9
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Timely Service

    Services Offered

    • Service icon Metal Frames
    • Service icon Skylights
    • Service icon Window Replacement/Installation

    Website: http://www.mitchellwindowanddoor.com/
    Address: 1121 Helicopter Way, Central Point, OR 97502
    Phone: (541) 857-5944

    Home Services at The Home Depot

    Phoenix, OR
    2.5
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Educational Website

    Services Offered

    • Service icon Energy-Efficient Options
    • Service icon Glass Doors
    • Service icon Window Replacement/Installation
    • Service icon Glass Showers

    Website: https://www.homedepot.com/l/Phoenix-OR/OR/Phoenix/97535/8557/services
    Address: 3345 N Phoenix Rd, Phoenix, OR 97535
    Phone: (541) 234-3895
    Altamont Window Cost Calculator

    Calculate how much you can expect to pay for window installation and replacement in Altamont, OR 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 Altamont Saves You Money

    Energy-efficient windows can provide benefits in several ways. Here are a few reasons you may want to consider making the switch:

    • Protect your investment: Upgrading 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 from fading: The low-emissivity coatings on many energy-efficient windows filter out damaging UV rays, preventing your furniture, carpet and other valuables from fading.
    • Reduce your carbon footprint: In Altamont, you can lower your indirect greenhouse gas emissions by about 271 pounds per year after you switch to energy-efficient windows.
    • Save money on power bills: After you upgrade to energy-efficient windows, you can expect a reduction in your bills by about 12% since you’ll use less energy to heat or cool your house.

    Estimated Cost of Window Replacement in Altamont

    Windows come in varying styles, purposes and shapes, so costs and services will vary remarkably depending on your project. Below, we go over the typical cost and services that you’ll find from window installation companies.

    How Much Do New Windows Cost?

    The national average cost to replace one window is about $600 but can range from $200 to $1,200. How much it will cost varies depending on several factors, like number of windows, type, material, size, the location of your home and more.

    With windows, efficiency is the most important factor for most homeowners. High efficiency windows may cost more initially, but by increasing the efficiency of your home — especially during the winter — they can provide many years of energy savings. According to Energy Star, buying certified energy-efficient windows can save Altamont homeowners $523+ a year after replacing single-pane windows.

    Costs will also vary based on the material you pick for your window frames. Aluminum frames cost the least. They’re sturdy, light and maintenance-free, but offer poor insulation. Vinyl frames are a bit more expensive and provide good insulation. Composite frames made using wood fibers encased in plastic also offer good insulation and are moderately expensive. Wood frames cost the most and are the most in-demand. They’re also aesthetically pleasing and provide decent insulation for your home.

    What Services do Window Installers Offer?

    When it comes to window replacements, in general there are two kinds that your installer will have: full-frame and pocket installations.

    Full-frame installations are necessary when you want to change the style of your windows or your window has a lot of rot. With this service, your professionals will replace the full window, including the trim, frame and sill. Pocket installations (or retrofits) involve installing a new window within its existing frame, which makes pocket installations take less time and therefore cost less. But, if the frame has any rot or deterioration, you should opt for a full-frame installation instead.

    If you’re hiring a reputable window installation company, your company can advise you on the best type for your project. In Altamont, the decision will mostly be influenced by how much damage there is currently and the condition of your existing frames.

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    Power Home

    ★★★★★
    4.5
    • Uses eco-friendly materials
    • Well-trained, certified installers
    • Lifetime or lengthy warranty
    Next-Day Appointments Available
    Get Estimate

    Best for Residential Windows

    Window Nation

    ★★★★★
    4.0
    • Custom Designs
    • Wide variety of products and services
    • Manufactures products in-house

    Best Energy-Efficient Features

    DaBella

    ★★★★★
    4.0
    • Great warranty
    • Friendly sales representatives
    • Offers good financing options

    How We Choose the Best Window Installers in Altamont

    In our hunt to make your home improvements easier and more eco-friendly in Altamont, the EcoWatch Reviews team assessed many companies before deciding on these. We have evaluated the best window replacement companies in Altamont primarily based on energy efficiency, as it’s what’s best for the environment and for you as a homeowner. 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

    This one is self-explanatory, but we’ve chosen to highlight window installation companies that serve a wide variety of states and cities so you can find the right window installation company near you.

    Work Quality

    When choosing new windows, the quality and variety of services can often play just as important of a role in overall efficiency and performance as the brand of window you opt for. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.

    Customer Reviews

    We analyzed trends in recent customer feedback to find the companies with the most customer satisfaction. Customer satisfaction might be the most important factor, as it indicates the quality of services across most other categories, including professionalism, quality of parts, quality of installation, warranty, cost and more.

    Cost

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

    Warranty

    As discussed, windows are a serious 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

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

    Altamont, OR Window Replacement FAQs

    What is the average cost to install new windows in a home?

    The national average cost of installing a window is about $600 but can range from $200 to $1,200, depending on a variety of factors. The price is generally influenced by the size of the window, the type and material of the window and the location of your property. Also, keep in mind that energy-efficient windows may cost more upfront but can save you hundreds of dollars a year in energy bills.

    What are the types of windows?

    The most common types of windows for homes are awning windows, casement windows, bay windows, picture windows, double-hung and single-hung windows, slider windows and transom windows.

    When do I have to use a window installation company?

    Unless you’re handy and have all the tools you need to replace your own windows, we recommend hiring a professional installer. The window installation process is quite involved and can take anywhere from four to six hours for a single window. Although it’s tempting to try to do it yourself to save money, hiring a company is a faster, more efficient and much safer option.

    When is the best time of year to replace windows?

    Although you can install windows any time of year, warmer weather is generally better for replacing windows. In addition, the weather should be dry, as rain can make the installation harder.