26 Best Window Replacement Companies in Conestoga, PA (Mar 2023)
Window Companies Near Me
Thinking about upgrading your home's windows? We've got all the information you need in this list of the best window installation companies.
We analyzed all the top window installers in Conestoga and selected the top 26 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
Although green energy sources like wind and solar are important when it comes to decreasing your carbon footprint, improving your house's efficiency can also have a large impact on home energy conservation. Drafty or leaky windows can make your AC or heater work extra hard in the summer or winter.
That's not great for either your wallet or the environment, but one of the top window installation companies can help you with that.
Because windows are so important for your home, picking the right company for you is a big decision to make. That's why the EcoWatch team has created this list of the top window replacement companies, so you can more easily make an informed decision.
Best Overall
Renewal by Andersen
- Great industry reputation
- Manufactures products in-house
- Member of US Green Building Council
- More expensive than competition
Best Affordability
Window World
- Large serice area
- EnergyStar Partner
- Great industry reputation
- Quality of service will depend on your area
Best Warranty
Universal Windows Direct
- Lifetime warranty
- Wide variety of products and services
- Manufactures products in-house
- Some installations carried out by third-party contractors
Best Window Replacement Companies in Conestoga
The EcoWatch team assessed dozens of window installation companies in Conestoga to find the best ones for our readers. The installers in this article scored the best in our review categories, such as energy-efficient offerings, price, local expertise, customer service, availability and more.

Renewal by Andersen
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Great industry reputation
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Manufactures products in-house
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Member of US Green Building Council
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More expensive than competition
Renewal by Andersen provides the best availability in Conestoga. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has been in business since 1995 and currently services nearly every state except Mississippi and West Virginia. The provider has hundreds of positive reviews from customers online.
Andersen may be the company for you if you're interested in 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 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 Conestoga?Although pricing information is 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. If you'd like to know for sure, you can receive a quote on the company's website.

Window World
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Large serice area
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EnergyStar Partner
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Great industry reputation
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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 over 27 years of experience in the industry, and it currently serves 200 locations nationwide.
You may want to consider going with Window World 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.
Energy Efficiency of Window World WindowsWindow World's commitment to sustainability shows in its energy-efficient window offerings. 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 Conestoga?Prices aren't available on Window World's website, but it's known for offering some of the most affordable window installations around. If you'd like more accurate information, you can inquire about a quote on the company's website.

Universal Windows Direct
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Lifetime warranty
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Wide variety of products and services
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Manufactures products in-house
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Some installations carried out by third-party contractors
Universal Windows Direct is a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has been in the window installation business for about 20 years. Its reputation is backed by several positive reviews on customer review websites.
It has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsUniversal Windows Direct offers 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 offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products.
How much does Universal Windows Direct cost in Conestoga?Universal does not outline prices 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. If you'd like to know for sure, you can request a quote on the company's website.

Window Nation
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Award-winning company
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Manufactures products in-house
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Custom designs
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Wide variety of products and services
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Installation not covered by warranty
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Limited service area
Window Nation provides the best residential windows in Conestoga. Window Nation has over 16 years of experience in the windows industry, and it currently serves residents within 75 miles of its showrooms, which are in 13 states. The provider has many glowing reviews from customers online.
If you're looking for a company that gives customers the opportunity to view products and to speak to a representative in person in its showrooms, this may be the perfect provider for you.
Energy Efficiency of Window Nation WindowsWindow Nation caters to eco-conscious consumers by providing energy-efficient window offerings. Each product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation.
How much does Window Nation cost in Conestoga?Prices aren't displayed on Window Nation's website, but based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. Getting a free quote on its website is the best way to get more accurate information.

Aeroseal Windows
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Many years of experience
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Great industry reputation
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Low number of customer complaints
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Manufactures products in-house
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Custom Designs
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No lifetime warranty
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Not ideal for residential installations
Aeroseal Windows provides the best window installation for businesses in Conestoga. It's an installer that mainly serves commercial and multifamily properties, and also specializes in railings. If you’re looking for residential window installations, you should probably refer to one of the other companies on this list. Aeroseal has about 23 years of experience in the windows industry, and it currently serves 13 states and Washington D.C. The company has a lot of positive reviews from customers online.
It installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows 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 claims it helps businesses save on energy expenses and reduce their carbon footprints with energy-efficient windows, as well as practices like Low-E glass coating, weatherstripping and more.
How much does Aeroseal Windows cost in Conestoga?Pricing details are not available on Aeroseal's website, as the cost of window installment depends on how many and what type(s) of windows you need. However, it provides high-quality windows at a competitive price point. The best way to know for sure is to get a free quote from the company.
We've recommended providers with good reputations, but note that some national companies have independently owned locations in Conestoga, so your service may differ depending on your local crew. We have tried to remain unbiased and transparent by describing pros and cons for each company reviewed.
More Window Replacement Companies in Conestoga
PJ Fitzpatrick
Harrisburg, PA-
Good Customer Service
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Educational Website
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Reliable Service
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Timely Service
Services Offered
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Glass Showers
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Architectural Glass
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Custom Windows
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Double-Hung
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Sliding Glass
Eby Exteriors
Akron, PA-
Timely 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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Glass Showers
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Custom Window Designs
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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
TC Backer Construction, LLC
Dover, PA-
Award-Winning
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Good Customer Service
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No-Hassle Pricing
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Reliable 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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Business Windows
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Double-Hung
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Stained Glass
Choice Home Remodeling, Inc.
New Holland, PA-
Reliable Service
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No-fee Quotes
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No-Hassle Pricing
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Helps Educate Customers
Services Offered
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Custom Windows
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Full-Service Installations
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Sliding Glass
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Double-Hung
Window World of Harford
Bel Air, MD-
Reliable Service
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Excellent Customer Service
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Helps Educate Customers
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Charitable Giving
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
Advantage Home Exteriors
Joppatowne, MD-
Reliable Service
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No-fee Quotes
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Price Transparency
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Educational Website
Services Offered
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Residential Windows
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Architectural Glass
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Custom Windows
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Business Windows
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Sliding Glass
REDDCO Inc.
Lewisberry, PA-
Dependable Service
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No-Hassle Pricing
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Excellent Customer Service
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No-fee Quotes
Services Offered
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Residential Windows
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Fast Delivery
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Tempered Glass
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Custom Window Designs
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Double-Hung
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Sliding Glass
Infinity from Marvin - Homespire Windows & Doors
New Cumberland, PA-
Reliable Appointment Windows
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Dependable Service
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Good Customer Service
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No-fee Quotes
Services Offered
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Custom Window Designs
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Residential Windows
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Sliding Glass
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Double-Hung
Glick's Exteriors
Gap, PA-
Arrives on Time
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Helps Educate Customers
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No-fee Quotes
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Excellent Customer Service
Services Offered
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Custom Window Designs
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Residential Windows
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Business Windows
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Double-Hung
Window World of Central PA
York, PA-
No-Hassle Pricing
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Educational Website
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Arrives on Time
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Free Quotes
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
American Home Contractors
Hanover, PA-
Free Quotes
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Good Customer Service
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Award-Winning
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Educational Website
Services Offered
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Doors
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Custom Windows
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Aluminum Window Frames
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Business Windows
Bachman's Roofing, Building & Remodeling, Inc
Wernersville, PA-
Excellent Customer Service
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No-fee Quotes
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Helps Educate Customers
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Dependable Service
Services Offered
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Double-Hung
Milanese Remodeling
Coatesville, PA-
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 Window Designs
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Energy-Efficient Options
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Commercial Windows
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Double-Hung
Window World of Central PA
Elizabethtown, PA-
Price Transparency
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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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Custom Window Designs
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Sliding Glass
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Commercial Windows
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Double-Hung
Viwinco Windows
Morgantown, PA-
No-Hassle Pricing
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Arrives on Time
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Free Quotes
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Educational Website
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
Lancaster Building Supply Windows Doors & More, LLC
Lancaster, PA-
Helps Educate Customers
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Price Transparency
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Good Customer Service
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Consistent Workmanship
Services Offered
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Residential Windows
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Fast Delivery
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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
Euro Art Home
Baldwin, MD-
Reliable Service
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Good Customer Service
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Gives to charity
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Helps Educate Customers
Services Offered
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Custom Windows
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Fast Delivery
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Energy-Efficient Options
Window & Door Service Pros
MD 21047, MD-
Consistent Workmanship
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Locally Recognized for Quality
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Excellent Customer Service
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Helps Educate Customers
Services Offered
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Custom Windows
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Energy-Efficient Options
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Double-Hung
Zimmerman's Roofing
New Holland, PA-
No-Hassle Pricing
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Locally Recognized for Quality
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No-fee Quotes
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Good Customer Service
Services Offered
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Custom Window Designs
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Residential Windows
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Commercial Windows
Zephyr Thomas Home Improvement Company
Lancaster, PA-
Free Quotes
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Educational Website
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Price Transparency
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Award-Winning
Services Offered
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Residential Windows
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Business Windows
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Full-Service Installations
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Custom Windows
Susquehanna Valley Door and Window
York, PA-
Free Quotes
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Helps Educate Customers
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Dependable Service
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No-Hassle Pricing
Services Offered
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Custom Window Designs
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Sliding Glass
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Double-Hung
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Bay Windows
C&R Glass Inc
Thorndale, PA-
Price Transparency
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Excellent Customer Service
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No-fee Quotes
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Helps Educate Customers
Services Offered
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Custom Windows
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Residential Windows
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Business Windows
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Sliding Glass
Robert G. Miller
Hanover, PA-
Price Transparency
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Good Customer Service
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Educational Website
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Reliable Service
Services Offered
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Custom Windows
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Fast Delivery
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Aluminum Window Frames
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Double-Hung
L & L Window Fashions
Harrisburg, PA-
No-fee Quotes
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Award-Winning
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Reliable Service
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Excellent Customer Service
Services Offered
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Custom Window Designs
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Aluminum Window Frames
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Energy-Efficient Options
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Sliding Glass
Pella Windows & Doors of Harrisburg
Harrisburg, PA-
Good Customer Service
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Price Transparency
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Helps Educate Customers
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No-fee Quotes
Services Offered
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Architectural Glass
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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
Rick's Home Improvements
York, PA-
No-fee Quotes
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Excellent Customer Service
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Price Transparency
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Dependable Service
Services Offered
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Residential Windows
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Architectural Glass
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Custom Windows
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Aluminum Window Frames
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Commercial Windows
How Installing Energy-Efficient Windows in Conestoga Saves You Money
Energy-efficient windows can provide benefits in several ways. Here are some reasons you may want to take the plunge and make the switch:
- Save money on power bills: Since energy-efficient windows reduce how much energy you need to heat or cool your home, they can help you save around $308 annually on your energy bills in Conestoga.
- Protect your investment: The older your home is, the more likely you are to benefit from switching to energy-efficient windows. Older homes tend to have windows that are outdated, drafty or maybe even damaged in some way. Upgrading your windows could help increase the value of your property if you decide to sell.
- Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which filter out damaging UV rays, reducing fading of your furniture, carpet and other valuables.
- Reduce your carbon footprint: Decreasing how much energy you use also lowers your carbon emissions. You could reduce it by 286 pounds per year on average.
Estimated Cost of Window Replacement in Conestoga
When considering window installation, each company offers different services and prices. Let's look at some typical costs and services.
How Much Do New Windows Cost?
On average, homeowners in Conestoga can anticipate that most window installations will range from $250 to $1,200, with the most common installations sitting at around $600. But costs will differ considerably based on the quality of your products, the current condition of your home, the number of windows you need and your location. A lot of window companies also offer replacement door installations and other add-ons like coating, shutters, baths and more. Additional services will increase your overall project costs.
Bear in mind that energy-efficient windows may have a higher price, but Energy Star estimates the upgrade will save you between $101 and $583 a year when you replace single-pane windows and between $27 and $197 a year when you replace double-pane, clear glass windows. Your savings will vary based on your local climate, energy rates and individual home characteristics.
The cost of your window installation will also vary depending on the type of material you choose for the frames. Wood windows are usually the most expensive, although it depends if 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 thing to ask yourself when considering a window replacement is: Do you want a full-frame installation or a pocket installation?
A full-frame installation replaces the full window, such as the windowsill, frame, trim and the window panes. Because this type of installation is more involved, it will be more expensive than a pocket installation. Pocket installations are on the simpler end and won't cost as much, as they involve merely replacing the window within its existing frame. But if the frame has any damage, you may need a full-frame installation instead.
If you're still debating which kind of installation you need, you can talk to your provider and get their recommendation. The choice mostly depends on how old the frames are and if there's any damage.
Best Overall
Renewal by Andersen
- Great industry reputation
- Manufactures products in-house
- Member of US Green Building Council
- More expensive than competition
Best Affordability
Window World
- Large serice area
- EnergyStar Partner
- Great industry reputation
- Quality of service will depend on your area
Best Warranty
Universal Windows Direct
- Lifetime warranty
- Wide variety of products and services
- Manufactures products in-house
- Some installations carried out by third-party contractors
How We Choose the Best Window Installers in Conestoga
In our hunt to make your home improvements easier and more eco-friendly in Conestoga, the EcoWatch team landed on the above companies as the top window installation companies in the city. Along with energy efficiency, we reviewed several window installers in Conestoga and ranked them based on the following methodology:
Service Area
This one is self-explanatory, but we've chosen to highlight window installers that serve Conestoga so you can find the right window installation company near you.
Work Quality
When selecting new windows, the quality and variety of services often plays just as important of a role in insulation and performance as the brand you choose. 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 customer feedback 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 reflects the quality of services across nearly every category, 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 low when possible. When analyzing the prices of providers, we gave higher points to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
Protecting your investment in new windows is important to many homeowners. For that reason, window installation companies that have lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Due to Conestoga's climate, homeowners will want to mitigate rot, low efficiency and water damage. We factored in local experience to reflect the ability of Conestoga window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Conestoga, PA Window Replacement FAQs
How much should a window install cost?
The average cost of replacing one window ranges between $450 and $650. There are many factors that affect the price, including the number of windows, how energy-efficient the windows are, local labor costs, styles and sizes of windows, your property's location and the materials used in designing the windows.
What are the types of windows?
There are various types of windows you can get for your house, such as awning windows, picture windows, double-hung and single-hung windows, casement windows, bay windows, transom windows and slider windows.
What do window installation companies do?
Window installation professionals will do the entire process — from replacing old windows with brand new ones to cleaning up after the windows have been put in place. In addition, many companies offer window manufacturing, customization and repairs.
How long does window installation take?
Each window takes about 30 minutes to install depending on the type of window. However, the window installation can be a two-day job — or more — if you need to have a lot of windows installed.
Should I replace my windows all at the same time?
If you're upgrading your windows because of energy-efficiency, replacing all the windows at the same time is the only way to see a noticeable difference. On the other hand, if you have only one or two windows that are damaged or leaky, you can replace just those.