"Suburban installed windows three years ago and siding and doors last summer and we're very satisfied with the work they did. They are very professional, prompt and dependable. We obviously are very h... » more
- Steve and Vicki Engler of Bettendorf, Iowa


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Long-Range Infrared Radiation

Invisible radiation, beyond red light on the electromagnetic spectrum (above 3.5 micro meters), emitted by warm surfaces such as a body oat room temperature radiating to a cold window surface.

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