An HVAC sales representative generates new customer leads as well as recommends and sells heating, ventilation, and air conditioning products to customers. Responsibilities include assisting HVAC specialists who install, troubleshoot, and repair equipment by contacting customers, providing quotes, writing proposals, and designing HVAC systems that meet customer needs. This position requires experience in a sales role, preferably selling HVAC or home services products. Frequent travel is often required to meet clients and assess buildings and existing systems.