How to tell if your doors and windows use LOW-E glass?

5/16/2024

In today's evolving architectural landscape, energy efficiency is paramount. One critical element contributing to energy savings in buildings is LOW-E glass, known for its ability to minimize heat transfer and UV radiation. But how can you discern if your doors and windows incorporate this innovative technology?

1.Look for the LOW-E Label: Manufacturers typically affix a LOW-E label or logo on windows and doors equipped with this glass. This label indicates compliance with energy efficiency standards and assures consumers of its presence.

2.Conduct a Light Test: Hold a penlight or flashlight against the glass surface. If you observe a slight reflection or haze, it suggests the presence of LOW-E coating. This coating reduces solar heat gain and blocks harmful UV rays without compromising visibility.

3.Check for U-Value: LOW-E glass often correlates with a lower U-value, indicating superior insulation properties. Review product specifications or consult with the manufacturer to ascertain the U-value of your doors and windows.

4.Inquire About Solar Heat Gain Coefficient (SHGC): LOW-E glass typically exhibits a reduced SHGC, indicating its ability to minimize heat gain from sunlight. Confirm the SHGC of your windows and doors to assess their energy-saving potential.

5.Seek Professional Assistance: If unsure, seek guidance from a certified window and door expert. They can assess your existing installations and provide insights into the presence of LOW-E glass based on visual cues and performance indicators.

In conclusion, identifying whether your doors and windows incorporate LOW-E glass involves a combination of visual inspection, performance evaluation, and manufacturer verification. By familiarizing yourself with these methods, you can make informed decisions to enhance the energy efficiency and comfort of your living spaces.

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How to tell if your doors and windows use LOW-E glass?

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