Were hiring In-Store Sales Representatives / Lead Generators to represent our HVAC and plumbing services inside national home improvement retail stores, where you’ll speak with customers about heating and cooling upgrades, air quality improvements, energy savings, and and ways we can be a HUGE benefit to their home. American Residential Services (ARS) is the nation’s largest provider of residential HVAC, plumbing, and electrical services , with more than 7,000 professionals and over 45 years of experience helping homeowners improve comfort, efficiency, and reliability in their homes.