10 Best Window Replacement Companies in Guilford, PA

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Last Updated: February 25, 2025

Replacing your windows can be costly, but is an excellent way to improve the energy efficiency and value of your home. In Guilford, where the power bills are an average of $1,200 per year, you could be spending an extra $349 annually due to outdated windows. The Department of Energy estimates that heat gained or lost through windows could represent nearly 30% of residential energy climate use. If you're looking for a window installation company, this is a great way to get started. Keep reading to find the best window installers in Guilford.

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Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Best Customer Service
4.0/5
  • Award winning company
  • Products made in the US
  • Knowledgeable sales representatives

Top 10 Best Window Replacement Companies in Guilford

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Renewal by Andersen of West Central PA

Renewal by Andersen of West Central PA Logo

Our Rating

User Rating

487 Municipal Dr, Duncansville, PA 16635 (717) 591-4900 renewalbyandersen.com

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

Skylights
Window replacement/installation
Bay windows
Glass doors
Double-hung

Champion Windows

Champion Windows Logo

Our Rating

User Rating

2123 6th Ave, Altoona, PA 16602 (814) 937-9222 championwindow.com

Good customer service

Free assessment

Price transparency

Services Offered

Window replacement/installation
Glass doors
Double-hung
Bay windows

Safety Window Glass Repair LLC

Safety Window Glass Repair LLC Logo

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User Rating

20032 Mattingly Terrace, Gaithersburg, MD 20879 (202) 569-0195 safetywindowglassrepair.com

Educational website

Free assessment

Good customer service

Price transparency

Services Offered

Glass showers
Mirrors
Triple pane glass
Custom glass
Window repair
Skylights
Double-hung
Glass repair
Energy-efficient options
Tempered glass
Glass doors
Window replacement/installation
Bay windows

Garrety Glass - Betterliving Sunrooms

Garrety Glass - Betterliving Sunrooms Logo

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User Rating

11309 York Rd, Cockeysville, MD 21030 (443) 873-0700 garretyglass.com

Price transparency

Timely service

Free assessment

Good customer service

Educational website

Services Offered

Glass repair
Glass showers
Glass doors
Mirrors
Window replacement/installation
Bay windows
Custom glass

Potomac View Energy

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User Rating

7520 Main St #201, Sykesville, MD 21784 (443) 881-8538 potomacviewenergy.com

Timely service

Free assessment

Educational website

Price transparency

Good customer service

Services Offered

Wood frames
Custom window designs
Double-hung
Bay windows
Vinyl frames
Energy-efficient options
Window replacement/installation
Glass doors

Window Expert

Window Expert Logo

Our Rating

User Rating

9009 Dunloggin Rd, Ellicott City, MD 21042 (410) 304-6165 windowreplacementellicottcity.com

Good customer service

Educational website

Price transparency

Timely service

Free assessment

Services Offered

Window replacement/installation
Custom window designs
Window repair
Vinyl frames
Triple pane glass
Glass doors
Bay windows
Skylights
Double-hung
Energy-efficient options

VerdGroup

VerdGroup Logo

Our Rating

User Rating

3707 Cedar Dr, Baltimore, MD 21207 (410) 541-4890 theverdegrp.com

Good customer service

Educational website

Free assessment

Price transparency

Services Offered

Skylights
Custom window designs
Glass repair
Double-hung
Glass showers
Bay windows
Energy-efficient options
Window repair
Glass doors
Window replacement/installation

Gaithersburg Glass Company

Gaithersburg Glass Company Logo

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User Rating

19200 Chennault Way, Gaithersburg, MD 20879 (301) 948-2623 gburgglass.com

Price transparency

Free assessment

Educational website

Good customer service

Services Offered

Glass doors
Storm/impact windows
Custom window designs
Window replacement/installation
Mirrors
Custom glass
Energy-efficient options
Glass showers

R&H Glazing Inc

R&H Glazing Inc Logo

Our Rating

User Rating

511 E Market St, Leesburg, VA 20176 (571) 497-5853 leesburgwindowreplacement.com

Educational website

Free assessment

Good customer service

Price transparency

Timely service

Services Offered

Custom window designs
Energy-efficient options
Glass doors
Window replacement/installation
Glass repair
Bay windows
Double-hung
Window repair

Glass Doctor of Mechanicsburg, PA

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Our Rating

User Rating

5270 E Trindle Rd, Mechanicsburg, PA 17050 (717) 766-6262 glassdoctor.com

Educational website

Price transparency

Good customer service

Services Offered

Glass doors
Glass showers
Window replacement/installation
Energy-efficient options
Glass repair
Custom glass
Window repair
Mirrors
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Guilford?

The cost of window installation or replacement will be influenced by several factors, including how difficult your windows are to access or install, the materials you choose, and the number and size of the windows. On average, homeowners in Guilford should expect to spend about $280 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Replacing your current windows with new energy-efficient ones can greatly boost your home's comfort, value, insulation, appearance, and noise reduction. Clear indicators it's time to invest in new windows include:

  • Drafts and cold air coming in from old, loose-fitting windows.
  • Outdated and inefficient window styles that detract from your home’s curb appeal.
  • Windows that are difficult to open, close, or lock properly due to wear and age.
  • Fogging between window panes, condensation issues, or rotting window frames allowing moisture intrusion into the home.
  • Discomfort and high energy bills due to poor insulation around windows.

How To Choose a Window Company

Finding a truly qualified window installer is the key to a successful project. Below, you'll learn the main factors to consider when making your selection.

Experience

Look for an established local window company with a proven track record of success installing all window types. Experienced providers are more likely to have an in-depth knowledge of Guilford's climate and local homeowner requirements. To verify a provider's reputation, request references from recent customers.

Certifications

Choose companies that have certifications from leading window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Having certification shows they've received proper training in installation best practices. Make sure installers are staff, not subcontractors, and confirm the technicians doing your job are certified.

Reputation

Read through online reviews, check the Better Business Bureau (BBB), and request local references. Review customer feedback to confirm that the company consistently provides quality work and good customer service. Avoid contractors that have complaints of shoddy work or unfinished jobs.

Process

A quality provider will give you a comprehensive project plan, detailed timeline, clear expectations, and an overview of all material and installation options. Avoid providers that offer unclear quotes or timelines. Insist on consistent contact throughout the process, so you aren't caught off guard later on.

Warranties

Look for contractors that guarantee their installations and offer warranties on labor and materials. This shows confidence in their window installations. Seek out unlimited lifetime warranties that can even be transferred to new homeowners.

Materials

Ensure that a company uses durable, energy-efficient window brands that work with your budget. Look for design flexibility, enhanced UV protection, and good energy ratings. Confirm the window materials have their own manufacturer warranties as well.

Frequently Asked Questions About Window in Guilford, PA

In Guilford, the ideal time to install windows is during the late fall when the temperatures are milder, so the windows can fit and adjust properly. A good local window installer in Guilford will be able to explain when the best time is to install windows on your house.

The ideal type of replacement windows for your Guilford home depends on when your home was built –the average house in Guilford was built around 1977. For older homes, you may want to consider efficient windows such as double-pane windows, which are designed to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's perfect for older homes. For newer homes, you might want to think about vinyl windows, which are durable, affordable and have a modern look.

You can save money on window installation by choosing a less expensive option like single-hung windows with vinyl frames. These have lower costs compared to other kinds of windows such as wood, double-hung, or fiberglass windows.

The process for window installation typically includes measuring the space, removing the existing windows, installing the new windows, inspecting for proper sealing, and applying caulk around the edges of the frames. Additional steps may be necessary depending on the style of window being installed.

Replacing your own windows can be a difficult task, especially in Guilford, where temperatures can get quite warm. It's generally best to get a professional window installer. They have the knowledge and experience to ensure your windows are properly installed and that you get the most out of your investment.

Yes, many window companies provide financing options for their customers. Some installers offer low-interest or no-interest loans based on your income, while other companies offer unique financing plans with agreements and conditions that vary depending on the job.

Getting windows professionally installed can provide a number of benefits. Professional installers can make sure that your windows are properly installed, sealed, and insulated, minimizing air leakage and maximizing energy efficiency. Professional installers are also trained in the necessary tools and techniques to get the job done, saving you time and money.

Other Guilford, PA Home Services

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