Aggressive Mechanical, Inc

What are the Best Windows for Energy Efficiency?

28 Jun
What are the Best Windows for Energy Efficiency? | Aggressive

Monmouth County weather is mild, but energy efficient windows are still important to limiting energy bills. Consider four factors when shopping.


  • Fiberglass frames prevent drafts and require minimal care but are expensive.
  • Wood is attractive and traditional for frames. Moisture and temperature changes cause drafts, making them less cost effective.
  • Aluminum frames require minimal care and are inexpensive. They readily conduct heat and will cause your energy bill to increase.
  • Vinyl insulates well and is easy to maintain. However, temperature shifts cause them to expand or shrink, creating drafts and raising your power bill.


Using the right glass for your windows is important. U-value and Solar Heat Gain Coefficient (SHGC) are measurements of how much heat is transmitted through the glass. Make sure the SHGC and U-value are as low as possible.


If your home has scenic views, picture windows are aesthetically pleasing and add to the resale value of your home. Despite being so large. Choosing low U-value and SHGC glass and insulating carefully will prevent excessive heat transfer through the glass. The downside to this style is that they can not be opened to provide ventilation for your home.

Casement windows use cranks to raise the glass away from the wall. While they seem old fashioned, this style can be very effective at preventing drafts in areas with heavy wind. The downside is that the mechanism requires regular care.

Older homes and new construction based on classic styles tend to use double-hung frames. This style is attractive, but often causes gaps that cause air leaks. These may cause your bills to be higher than they would be with more tightly fitted windows.


Of course, no window is cost effective if it is not installed correctly. Caulk and foam help seal small openings around the frames, but accurate measurements are a more effective method for preventing air leaks.

All of these factors can be somewhat overwhelming. For three generations, Aggressive Mechanical Contractors have been helping homes and businesses in the Monmouth County area. Call us today and we can answer any questions that you have.

Our goal is to help educate our customers in Monmouth County, New Jersey and surrounding areas about energy and home comfort issues (specific to HVAC systems). 

Credit/Copyright Attribution: “SpeedKingz/Shutterstock”

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