How Much Do Replacement Windows Cost in Connecticut?

October 13, 2025

We’ve said it once, and we’ll say it again: The most important features of your home are your windows since they protect your home from exterior elements and heat. Choosing the correct materials and making sure you’re getting the right price for what you’re paying for is extremely important, so you won’t have to spend more money for simple repairs in the future.


There are several factors that affect replacement window costs, and while nothing is a concrete value, it can help you get a rough estimate.

Average Cost of Replacement Windows

The national average for replacement windows is about $320 to $490, but this price can vary greatly depending on many specific features. One factor is the quality of the material. No matter what material you use, the lower the quality, the lower the price.


Second, the more windows you install, obviously the more you’ll pay. More windows require more labor, more time, more materials, and therefore more money. Location can also affect the price as gaining the necessary equipment can be easier in some areas than others, either because it’s in less demand or is more plentiful.


If you choose to have your own custom-made windows manufactured, this will increase the price because they’re specially made, have better insulation value, and increase the quality of your home. While all these aspects are important, the three big factors are window materials, style, and size.


  • Material: Obviously, the better the material is, the higher the price. Vinyl windows are the most cost-effective and least expensive, while wood windows are in high demand so are usually the most expensive, only rivaled by fiberglass.
  • Style: Windows come in a variety of styles, such as double-hung, casement, bay and bow, or picture. Picture windows are generally the least expensive because they don’t have any operating pieces, so their installation is fairly simple. Casement or double-hung windows that require more labor to install have higher prices. Bay and bow windows are usually the most expensive, due to their size and window seat space.
  • Size: The smaller the window, the cheaper the window, and the larger the window, the more expensive. Simple as that.


Contact Fiderio & Sons today to schedule your free consultation and take the first step toward energy-efficient, beautiful new windows!

​Key Factors Influencing Window Replacement Prices

Energy efficiency: Higher-quality windows are more energy-efficient and insulate your home better than lower-quality windows. You have the option between single-, double-, or triple-pane glass. The number of panes increases the energy efficiency, so the price increases as well.


A window’s U-factor also affects the price. A larger U-factor has more resistance to heat loss, so it’s more energy-efficient. Some homeowners might be scared away from these prices, but it’s best to spend more money upfront on more panes and U-factors because they help protect the home and will pay for themselves in the long run with lower HVAC bills.


Labor: If you don’t know how to install replacement windows, it’s important to hire a trusted residential contractor. Contractors clearly will add to the price, as they need to pay their workers and suppliers. The number of people needed and how much time the project takes increases the price. And if you have any siding on your house, it’s wise to spend more to protect it during installation.


More complex renovations are more expensive as well, so for example, a one-story house is cheaper because ladders and complicated procedures aren’t necessary to reach higher windows. Cleanup costs and debris removal will also cost more but are worth the money because a contractor will ensure unused or old materials are recycled or disposed of properly.


Materials & supplies: Depending on the type and style of windows you choose, some extra materials may be required. Fasteners, shims, flashing, drip caps, frame insulation, and caulking materials can add to the estimated price.

Why Choose Fiderio & Sons for Your Window Replacement Needs

With decades of experience, top-rated products, and a commitment to exceptional craftsmanship, Fiderio & Sons is the trusted choice for homeowners across Connecticut looking for reliable, high-quality window replacement solutions.


Fiderio & Sons would be proud to help you with any of your replacement window needs.  Contact us today to get started!

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