![]() Some HVACR technicians sell service contracts to their clients, providing periodic maintenance of heating and cooling systems. The regulations include those concerning the proper handling and disposal of fluids and pressurized gases. When installing or repairing air conditioning and refrigeration systems, technicians must follow government regulations regarding the conservation, recovery, and recycling of refrigerants. ![]() Some HVACR technicians specialize in one or more specific aspects of HVACR, such as radiant heating systems, solar panels, testing and balancing, or commercial refrigeration. By providing a climate-controlled environment, refrigeration systems make it possible to store and transport food, medicine, and other perishable items. Heating and air conditioning systems control the temperature, humidity, and overall air quality in homes, businesses, and other buildings.
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