HVAC is the abbreviation of Heating Ventilating and Air Conditioning and as per the term suggests, it deals in making indoor environment comfortable for people. Heating and air conditioning industry has recently evolved, which has created a number of job opportunities for the people. It is well-established industry and there are many specialized courses offered by colleges with majors in environmental sciences and study of air conditioning appliances. Job openings related to HVAC can be divided in manufacturing department, sales department and servicing department. With so much diversification, each department is an industry in itself and is responsible for generating numerous jobs. HVAC manufacturing industry hires people to design their machines, making use of new inventions in their appliances and engineers to look after their factories and keep them functional. They also hire staff for warehouses and store department to handle inventories and finished products. Sales department of HVAC industry employs distribution officers, marketing and advertisement managers and sales officers. Servicing of HVAC is a separate industry itself. These are the companies, which provide their services for repairing Air conditioning appliances and help to maintain them. They usually hire professional technicians for installation, cleaning and other maintenance work. Other than these, HVAC industry also generates job opportunities for drivers, labor, accountants, managers, network administrator, designers a number of other professionals.