Low-E Replacement Windows in Maryland

Low-E Replacement Windows in Maryland

Maryland can have very hot summers and cold (even snowy) winters. Ordinary window replacements may not be enough to address these two weather extremes. What you need are Low-E replacement windows that will help keep heating--and air conditioning--costs down.

What are Low-E Replacement Windows?

Low-E, or "low emittance" replacement windows are specially designed with a thin coating of metal or metal-oxide that are glazed right on the glass. The Low-E coating helps reduce--and even block--certain rays from the sun, namely ultraviolet light (UV) and infrared rays (IR), while still allowing visible light to illuminate your home.

When Low-E windows were invented in the 1980s, they only allowed the sun's heat to stay in the house, today there are different types of Low-E replacement windows to allow high, moderate or low solar gain.

For Maryland's weather, a moderate solar gain Low-E window replacement is ideal (it is also called a spectrally selection Low-E glass) since this type of window replacement will reduce heat loss in the winter and at the same time reduce the heat gain in the summer.

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Look at the Label in Your Replacement Windows

Before you buy Low-E replacement windows for your Maryland home, check out the Energy Star label , which will tell you the solar heat gain rating you need to know for your location. If you don't use a lot of air conditioning, look for a high solar heat gain coefficient (SHGC) of 0.30 to 0.60. If you use air conditioning frequently and your home is not shaded, pick a replacement window with a SHGC less than 0.40.