Lennox International, Inc. revenue for the last year amounted to 5.34 B USD, the most of which — 3.58 B USD — came from its highest performing source at the moment, Home Comfort Solutions, the year earlier bringing 3.22 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Lennox International, Inc. 5.02 B USD, and the year before that — 4.42 B USD.