What is the R-Value on Replacement Windows?

Mt. Prospect, IL replacement windowsOver the last few years, more homeowners are increasingly interested in making their homes more energy efficient. And with rising costs of heating and cooling, it is probably a good idea. Inefficient windows can lower the value of your home and cause energy bills to skyrocket. And while there are several things you can do to improve efficiency, you might have to start with replacement windows in Mt. Prospect, IL  

Not only do new windows give you a great return on your investment if you plan on selling, but they can also reduce your energy bills as long as you choose the right combination of frame material, window style, and glazing technology. Choosing all the right options isn’t easy. All the options and jargon can be overwhelming. But if you are looking specifically at energy efficiency, one of the best places to start is with the R-value.   

Every window should have an energy performance label provided by the National Fenestration Rating Council (NFRC). They are an independent, non-profit organization that objectively tests and rates windows, doors, skylights, and other fenestrations for energy performance. These labels allow you to make informed comparisons about these products. But only if you know how to read them.   

Defining R-Values on Replacement Windows 

Inefficient windows allow heat to more readily flow through. This can happen through the glass, the frame, or broken seals. In turn, the heating or cooling in your home must work much harder to reach and maintain the ideal temperature. Your utility costs go up and you are literally throwing that money right out the window.   

The NFRC measures efficiency in several ways, one of which is the R-value. This rating refers to a window’s resistance to heat flow. Heat moves naturally from warm areas to cool areas. For example, if it is freezing cold outside and warm inside your home, the warm air naturally tries to escape. And if it is warm outside and cool inside, the warm air tries to get inside. Thus if you live in an area where there is often a significant temperature difference between outside and inside the home, R-values will make a big difference.    

When looking at the R-value note that the higher numbers mean great energy efficiency. Windows with an R-value of 5 are more efficient than windows with an R-value of just 3.   

Benefits of Windows with High R-Values 

When you install replacement windows with higher R-values it reduces heat gains and losses in your home. The heating and cooling system can run more efficiently. You will feel more comfortable in your space. More efficient windows also boost the resale value of your home.   

If you are thinking about replacement windows in Mt. Prospect, IL contact Scientific Home Services. You can reach us at (847) 752-0370 or visit 5639 W. Howard St. Niles, IL 60714. We offer some of the best windows on the market for energy efficiency. With our higher level of product knowledge, our experts can find the best windows to suit your needs and budget.  

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