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What’s the Difference Between Replacement Windows and New Windows?

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Whether you are considering replacing your windows or you are thinking of purchasing new construction windows for your home, you will want to learn the differences between replacement windows and new windows. These are two different kinds of windows, and they have various benefits and disadvantages.


Several factors influence the cost of replacement windows. The quality of the glass and window installation is one of the biggest. The quality of the materials used in the project can also make a difference.

Another deciding factor is the amount of work required. The cost will be higher if a window replacement project is a full-scale job. In addition, the installation process can vary.

The best way to determine the cost of replacement windows in Kansas City is to talk with a professional. They can advise which type of windows best suits your needs and budget. They can also answer questions about the style and shape of the windows.

Another way to gauge the cost of replacement windows is to calculate the price of each element. This includes the quality of the glass and frame, the materials used in the installation, and the labor involved.

The cost of each element will be different depending on the manufacturer and the type of glass being installed. If you’re interested in energy-efficient options, you can save more money with triple-paned glass or low-E coatings.

The size of the window is also an essential factor. In general, a larger window will require more glass. You may also need to install fall protection hardware for coastal homes with windows facing the ocean.

window with white curtains
Photo by Petter Rudwall on Unsplash

Energy efficiency

Choosing replacement windows is an essential part of a home renovation. There are many options. The best choice depends on the size of your windows and your local climate.

The National Fenestration Ratings Council (NFRC) developed an energy rating system for whole-unit products. These ratings provide a reliable way to compare products.

In addition to the materials used, the frame plays a significant role in the insulating quality of the window. For example, vinyl frames are poor conductors of heat, whereas fiberglass frames are better.

There are other features to consider as well. For instance, new construction windows offer a more complete seal than their replacement counterparts. But, again, this is a good thing for homeowners looking to save money.

Another feature to look for is condensation resistance. This rating measures the glass’s effectiveness in blocking heat from the sun. Ideally, the glass should have a condensation resistance of 65 or higher.

Buying a new window may be a better way to cut energy costs, but it can significantly impact your home’s performance. For example, it can increase the comfort of your home, improve your home’s curb appeal, and help you save on heating and cooling costs.

Method of installation

During a window replacement, you will need to choose the installation method. It depends on the type of windows you have and the building materials.

There are two main types of window installation methods. The first is called a block frame, which involves a new window product that slides into the opening and is secured with screws. The second is an insert window, which allows you to replace your window with the existing frame.

The method of installation for a block frame window is the simplest. First, the old window frame is left in place, pushing the new window into the bracket. This method is recommended for homes built within the last 10-20 years when the window frame and sill are still in good condition.

A whole-frame window is an option for older homes with rotten frames. It is also a good idea to replace a window if the edge is warping, sagging, or leaking air. It is also an option for homeowners who want to extend their views outdoors.

For insert windows, the window is pushed into the existing opening and held in place with a 2-inch screw. The newly inserted window will be smaller than the old one, so you must fill the gap with the foam-rubber backer rod or elastomeric caulk.

installing the window
Photo by Erik Mclean on Unsplash

Disadvantages of new construction windows

Whether you’re planning to add windows to your home or remodel your current ones, you will likely encounter some dilemmas. While both options can be beneficial, they have their pros and cons. The choice depends on your needs, your budget, and the size of your house.

New construction windows are usually a better option because they offer a more substantial construction. However, they may not fit your home’s exterior or require a lot of structural work. They can ruin your home’s appearance.

On the other hand, replacement windows can save you money. They are made to fit your existing window frame but are not a complete replacement. Depending on the type of window you choose, it’s also essential to find a way to secure them to the existing frame.

If you want to spend less money, consider retrofitting. It’s less disruptive, but you will get less of a return on your investment.

Adding extra windows is a great benefit. They improve the look of your home, provide more natural lighting and add to your surroundings. They’re also beneficial for your health. They can help you lower your energy bills and make it easier to maintain your home’s temperature.