A Successful blended Plumbing, HVAC, and Electrical Counter Sales Associate Typically Has: Product and technical knowledge normally acquired in two or more years of college or technical school OR 3-5 years field experience in the residential/commercial applications of Plumbing, HVAC, and Electrical Counter Sales Associate products. We know the importance of family, and offer various family planning and childcare savings opportunities, including paid parental leave, adoption assistance, infertility assistance, and a Dependent Care Flexible Spending Account (DCFSA).