About Heat UP Missouri

Lennox Industries, based in Dallas, Texas, has been built on a legacy of innovative firsts, from the introduction of the riveted-steel furnace in 1895 to some of the most efficient air conditioners available today. Over the years, Lennox has set the standard for home comfort, continually pushing the standard with a lineup of 60+ leading-edge products and more than 6,000 full-service dealers nationwide.