Lennox Industries and the Indoor Air Quality Association(IAQA) are now offering a 12-hour training class on IAQ. The heating and A/C manufacturer announced their intention for a corporate sponsorship with IAQA in October 2001. The sponsorship includes education of HVAC contractors and member benefits for Lennox dealers. The new 12-hour training class is administered by IAQA and endorsed by Lennox as an effective and informative class for contractors wanting to learn more about IAQ and entering the IAQ field.