Windows
T. Smith Siding & Windows is pleased to
offer of patio doors and entry doors for Lexington Door Installation Services.
Defining Energy Performance Ratings: 
- U-Factor – A measure of the rate of heat flow through a window. Heat efficient windows have better insulating properties. A lower U-Factor indicates a higher performing window that can help reduce heating and cooling costs.
- Solar Heat Gain Coefficient (SHGC) – The amount of solar radiation allowed to pass through a window. The lower the number, the less solar heat gain the window permits.
- Structural-Design Pressure (DP) – The amount of wind pressure a window will withstand when closed and locked is called Structural-Design Pressure (DP). The higher the number, the better.
- Visible Light Transmittance – Ranging from 0 – 1, visible transmittance is a measure of how much light passes through the window.
– Barbara Maher
ecoSmart windows have been awarded ENERGY STAR Most Efficient for 2018. Be sure to consult your Great Lakes Window Dealer to make sure you are ordering the right energy-efficient glass package with your Great Lakes Windows.
2017 Energy Tax Credit Information
Please choose from the list below:
Doors
T. Smith Siding & Windows is pleased to offer a number of patio doors and entry doors for Lexington Door Installation Services.
Windows
We provide full service Window Replacement Services and we have windows to fit every budget! If you want energy efficient, we’ve got it!
Siding
The siding that you choose will make a big impact both functionally and aesthetically to your house. Let us help you choose the type and color that will endure for years to come.
Roofing
Roof Replacement Services & ROOFING is definitely the one where “trying to do the job on the cheap” will come back to haunt you the most.
Doors, Siding, Roofing, Gutters and Windows; We’ll Be there.
Serving Central Kentucky
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