I programmed and developed this Flash demonstration that appears on Lennox.com. The purpose of this piece to let the user compare normal everyday sounds in and around their house with the quiet of Lennox heating and air conditioning products.

See it live: (caution: audio!)
Lennox House of Sounds


It is linked from these two pages at Lennox ("Listen"):
http://lennox.com/products/overview.asp?model=HSX19

http://lennox.com/products/overview.asp?model=G61V