10 Best Window Replacement Companies in Derby, CT

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Last Updated: February 25, 2025

Whether you want to improve your home's value, energy efficiency, or both, upgrading your windows is an excellent idea. In Derby, you could save almost $420 per year on your electric bills after upgrading your windows. Potential leaks or drafts can reduce your home’s energy efficiency by up to 30%, according to the Department of Energy. Our list of the top window installers in Derby will help you select the best installer for you.

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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 Derby

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 Long Island

Renewal by Andersen of Long Island Logo

Our Rating

User Rating

2029 New Hwy, Farmingdale, NY 11735 (631) 843-1713 renewalbyandersen.com

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

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

Power Home Remodeling

Power Home Remodeling Logo

Our Rating

User Rating

60 Commerce Dr Suite 150, Trumbull, CT 06611 (203) 659-4843 powerhrg.com

Price transparency

Good customer service

Timely service

Free assessment

Services Offered

Energy-efficient options
Window replacement/installation

Smithtown Window Replacement and Doors

Smithtown Window Replacement and Doors Logo

Our Rating

User Rating

43 Landing Ave, Smithtown, NY 11787 (631) 646-2386 smithtownwindowsdoors.com

Weekend availability

Educational website

Free assessment

Price transparency

Good customer service

Energy-efficient windows and doors

Family-owned and operated

Services Offered

Bay windows
Wood frames
Vinyl frames
Tempered glass
Glass doors
Metal frames
Double-hung
Storm/impact windows
Fiberglass frames
Glass showers
Window replacement/installation
Custom window designs
Window repair
Triple pane glass
Energy-efficient options

Melville Window Replacement

Melville Window Replacement Logo

Our Rating

User Rating

560 Walt Whitman Rd, Melville, NY 11747 (631) 710-7533 melvillewindowreplacement.com

Timely service

Free assessment

Price transparency

Educational website

Good customer service

Services Offered

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

Glass Doctor

Glass Doctor Logo

Our Rating

User Rating

354 Smithtown Blvd, Ronkonkoma, NY 11779 (631) 619-6711 glassdoctor.com

24/7 emergency service

Home and auto glass

Educational website

Price transparency

Good customer service

Membership plans for glass repair

Services Offered

Glass doors
Mirrors
Glass showers
Glass repair
Window repair
Custom glass
Energy-efficient options
Window replacement/installation

Window King LLC

Window King LLC Logo

Our Rating

User Rating

1075 Morris Park Ave, Bronx, NY 10461 (718) 792-5989 windowking.biz

Educational website

Estimate price matching

Price transparency

Timely service

Good customer service

No-interest financing

Free in-home consultation

Free assessment

Services Offered

Double-hung
Window replacement/installation
Vinyl frames
Glass doors
Energy-efficient options

Pro Quality Home Improvements Inc.

Pro Quality Home Improvements Inc. Logo

Our Rating

User Rating

1120 Little East Neck Road, West Babylon, NY 11704 (631) 393-6812 proqualityhomeimprovements.com

No-interest financing

Free in-home consultation

Good customer service

Free assessment

Timely service

Small business

Price transparency

Educational website

Services Offered

Bay windows
Energy-efficient options
Skylights
Window replacement/installation
Window repair
Glass doors

Alure Home Solutions

Alure Home Solutions Logo

Our Rating

User Rating

1999 Hempstead Tpke, East Meadow, NY 11554 (516) 296-7777 alure.com

Online appointment scheduling

No-interest financing available

Special warranties for military

Free assessment

Educational website

Good customer service

Price transparency

Services Offered

Glass showers
Window replacement/installation
Glass doors
Double-hung

Sky Windows and Doors

Sky Windows and Doors Logo

Our Rating

User Rating

145 N Main St, Freeport, NY 11520 (516) 686-8485 skywindowsnj.com

Educational website

Free assessment

Good customer service

Timely service

Price transparency

Services Offered

Window replacement/installation
Storm/impact windows
Energy-efficient options
Wood frames
Glass doors
Metal frames
Mirrors
Custom glass
Vinyl frames
Glass showers

Window Depot Usa Of Lower NY

Window Depot Usa Of Lower NY Logo

Our Rating

User Rating

1096 Grand Ave, South Hempstead, NY 11550 (516) 564-4400 windowdepotlowerny.com

Price transparency

Free assessment

Timely service

Educational website

Good customer service

Services Offered

Custom window designs
Window replacement/installation
Triple pane glass
Energy-efficient options
Double-hung
Glass doors
Vinyl frames
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 Derby?

The price of window installation or replacement varies based on a number of factors, including the materials you choose, how difficult your windows are to access or install, and the number and size of the windows. On average, homeowners in Derby will spend about $290 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

Installing new energy-efficient windows can substantially boost your home's insulation, noise reduction, appearance, comfort, and value. Some clear indicators it's time for new windows include the following:

  • Fogging between window panes, condensation issues, or rotting window frames letting in moisture.
  • High energy bills and discomfort from poor insulation.
  • Inefficient and outdated window styles that detract from your home’s curb appeal.
  • Cold air and drafts leaking in from old, loose-fitting windows.
  • Windows that are hard to close, open, or lock properly due to wear and age.

How To Choose a Window Company

Selecting a window installer with appropriate qualifications helps ensure a smooth installation. We cover the most important considerations for selecting a qualified company below.

Experience

Seek out an established local window company with a proven track record of success installing all window types. Experienced providers are more likely to understand Derby's climate and will know how to meet your needs. To verify a provider's reputation, request references from recent customers.

Certifications

Select an installer that is accredited by leading window companies and associations like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Proper certification indicates that a contractor has training in window installation best practices. Confirm that installers are staff rather than subcontracted workers, and verify that any technicians working on your home are certified.

Reputation

Spend time reading through online reviews, checking the Better Business Bureau (BBB), and asking for local references. Review customer feedback to make sure that a company delivers consistent quality workmanship and great service. Avoid companies with complaints of poor work or unfinished jobs.

Process

The best company will take time to provide you with a comprehensive project plan, timeline, expectations, and reviews of all material and installation options. Beware of unclear quotes or timelines that don't provide enough specifics upfront. Look for ongoing communication throughout the process to avoid surprises later on.

Warranties

Seek out window installers that back their installations with warranties on labor and materials. This demonstrates confidence in their work. Target companies with unlimited lifetime warranties that can be transferred to new homeowners.

Materials

Confirm that a window company offers windows built for longevity as well as leading energy-efficient window bands that match your budget. Research choices with design flexibility, good energy ratings, and enhanced UV protection, and verify that the materials have their own manufacturer warranties.

Frequently Asked Questions About Window in Derby, CT

In Derby, the optimal time to install windows is during the early fall when the temperatures are milder, so the windows can seal and settle properly. A professional local window installer in Derby will be able to tell you when the best time is to install windows on your home.

The ideal type of replacement windows for your Derby home depends on when your home was built –the average house in Derby was built around 1959. If your home was built a while ago, you may want to consider energy-efficient windows such as double-glazed windows, which are made 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 more modern homes, you might want to think about vinyl windows, which are affordable, durable and have a modern look.

Windows made from fiberglass, wood, or vinyl tend to last the longest, with some lasting for close to 45 years. Vinyl windows are particularly durable and low-maintenance, making them a good choice if you want windows that will last a long time. Double or triple glazing can help reduce your heating and cooling bills over time.

It depends on your budget and the condition of your existing windows. If your current windows are in good condition, you might only replace the ones that really need to be replaced. If you're in an area that has average energy costs, you may want to consider replacing all your windows at once to get the highest energy savings.

Yes, most window companies provide financing options for their customers. Some installers offer low-interest loans based on your income, while other companies offer special financing plans with terms and conditions that vary depending on the job.

Window replacement companies in Derby typically offer many services, including installation, fixing windows, window maintenance, window cleaning, tinting, and weatherproofing.

Other Derby, CT Home Services

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