The average cost for window replacement is $500 to install a new window. Hiring a window installer, you will likely spend between $300 – $800 per window. The price of window replacement can vary greatly by region (and even by zip code). View our local window installers or get free estimates from pros near you.
Maybe you are getting ready to sell the family home and want it looking the very best before listing it; or you discovered that a lot of your heating and cooling expenses are too high because the windows are old, inefficient, or both; or maybe you are just ready for a mini fixup or entire remodel.
Even if replacing your windows is all you do, especially on an older home, it will add a new updated look to your home. New windows should also pay you back in the form of reducing your energy costs for the home. Manufacturers tend to agree on the need to replace windows after about 20 years, especially on older windows.
Costs vary across the country depending on a range of factors. The average US home is about 2,700 square feet with four bedrooms or more, so it will likely have at least ten windows.
At an average of $500 per window, expect to pay about $5,000 total, or $10,000 if the window frame openings need any additional work.
You’ll pay more if your home is a two-story home, and more again if the windows are triple glazed or filled with argon gas. Don’t go for the lowest price. As Liberty Windows and Siding in Columbia, MD, says, “The quality of window installation company varies widely from business to business, and hiring the wrong contractor can lead to shoddy workmanship that can cause water damage or even rot.”
Depending on the age of your existing windows and the absence of any damage (shifting foundation, dry rot, etc.), you might be able to get away with inserting partial replacements into the existing frames. If, however you have windowsill or frame deterioration, a full replacement will be required.
Alternatively, when replacing old windows for cosmetic or energy efficiency reasons, you should consider taking care of all windows. Your exterior siding will also affect the price, costing more for working with brick and stone than vinyl.
Most vendors offer up to four options in window frames. The lowest cost frames are typically vinyl, followed by steel, fiberglass, and wood. Below are the installed costs for a 42”x48” window.
|Frame Type||Average Cost|
|Vinyl frames||$550 – $850|
|Composite frames||$600 – $900|
|Wood frames||$700 – $1,000|
|Aluminum frames||$700 – $1,000|
|Clad frames||$1,000 – $1,600|
For window openings, the most popular options that you can choose between are either casement or double-hung windows.
Because the benefits from energy savings will offset some of your investment costs for the lifetime of the replacement windows, we will cover this topic in some detail.
Buy each window to give maximum savings: Different sizes and types of windows can be installed around the home to give the most energy efficiency, i.e., notice which sides of your home get the most direct sunlight or cold winds.
Buy out of season: A leading factor for replacing windows is tied to energy efficiency and savings for prevailing climate where you live, so there will be a time of the year where you could shop out of season. Get windows that keep the house cooler long before summer sets in, and vice versa. You may also get a better price from your contractor if you hire him or her during slower months.
Save 25% of your energy costs: Old windows can become “leaky,” allowing both heat and cold in or out. Put that unnecessary expense toward the cost of new windows. Upgrade or replace your windows with new double or triple pane windows that have either air or argon gas between the panes of glass. This buffer zone, which can be up to an inch deep, results in a reduced temperature transfer when compared to a single pane of glass. Texas Energy Experts in San Antonio, TX, say that Argon in windows impedes the energy transfer process due to its heavier-than-air properties. It acts as an insulator, and it increases the soundproofing of the window. It also reduces the possibility of condensation buildup, eliminates mold potential, and provides an improved R-value.
Further savings and efficiencies can be seen through the addition of a low-E (low emissivity) heat-resistant coating on the glass, and/or by installing mesh screens outside the windows.
Measure insulation effectiveness: Windows can have an R-Value and U-Factor. “An insulating material’s resistance to conductive heat flow is measured or rated in terms of its thermal resistance or R-value -- the higher the R-value, the greater the insulating effectiveness. The R-value depends on the type of insulation, its thickness, and its density” (US Department of Energy). U-value measures the rate of heat transfer, with the lower the number being the better value. In general terms, as the R-value goes up, the U-value will go down. Heat will always flow from hot to cool until both temperatures are the same. This means heat will try to come into your home during the summer months and leave in the winter months.
Noise reduction: An additional side benefit of switching out to either double or triple pane windows is that it will also reduce the noise from outside, with the greatest reduction coming from the wider gap between panes.
Suspended Particle Devices: Windows with these allow the owner to control how much light is coming in through the use of a dimmer switch. SPDs are gaining popularity in everything from residential and commercial window applications to airplane windows and automobile sunroofs. The use of SPD or UV coatings on windows, like those offered by Skyline Windows in New York, could also be a wise choice if you have large windows that allow a lot of sunlight in on wood floors or expensive rugs.
For the final word on energy efficiency, check out www.energystar.gov. Energy Star is a government program launched originally by the Environmental Protection Agency, and now co-managed with additional resources from the Department of Energy. The Energy Star symbol appears on a sticker along with product category ratings and, sometimes, yearly dollar savings. Each region comes with guidelines for the ratings you should look for in windows, skylights, and doors.
The industry standard terminology of measurement for windows is called UI (united inches). The final number is from the addition of the length and the height, or half the window’s perimeter. Regardless of the frame type or opening mechanism, the lowest cost replacement project is where you have windows placed into an opening of the same size as the original window, without the need for any extra time and effort to create a larger opening.
Expect to pay $100–$175 per window for installation, and add another $170 per window for weather stripping. This should boil down to $35–$65/hour. Anything other than a regular window can cost more to install, such as skylights, casement windows, bay windows, etc. A bay window can cost up to $7,000 installed. Removal of old windows and transporting them for disposal costs about $70–$250/window.
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