Replacement Window and Siding Blog CT

The Importance of Window Frames and Sashes

  

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     The energy efficiency of your window doesn't only depend on the glass you have installed, even if it is a triple-pane or gas-filled energy efficient window. In case you aren't familiar with the structure of your window, the sash is what holds the glass and the frame is what holds the sash in place. The frames and sashes on all your windows are also exposed to harsh sunlight and climate changes and if they are made of wood or metal, air flow can increase over time leading to higher energy costs.
      Windows and their sashes can be made from aluminum, wood, a combination of wood and vinyl or aluminum, or solid vinyl. Wood is the oldest type of frame, has moderate insulating qualities, and needs the most maintenance of the three types of windows. It's usually found in older homes and needs to be maintained by painting to prevent damage from moisture and insect infestation.
      Aluminum windows are durable and the least expensive, but they need a "thermal break" to prevent the transfer of heat through the frame. Pre-finished aluminum clad wood windows are similar to wood windows, and have the recycling aspect of aluminum, but don't need as much maintenance as wood.
      The American Chemistry Council states that vinyl window frames require three times less energy to manufacture than aluminum frames, and using vinyl window frames will save the United States nearly 2 Trillion BTU's of energy/per year. BTU's are short for British Thermal Unit's, which are a basic measure of thermal heat energy. Vinyl windows are excellent in terms of energy efficiency and require little to no maintenance over time. They have an excellent combination of durability, cost, insulating value, strength and aesthetics. For more information,click here.