Business, Television Lennox: “Pulse 21 Gas Furnace” (circa 1992) Video 19 November, 2016 Atari Leave a comment Dave Lennox recommends some of his trusted dealers in the Metro Atlanta area to install and service his new gas furnace. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Pocket (Opens in new window)Also on: