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What are HVAC Certifications?

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HVAC Certifications, also known as Heating Ventilation and air conditioning certification, are a kind of certification required to those who perform 'maintainance, services, repair and disposal of refrigerants that releases the chemicals inside the appliance to the atmosphere.' (I've found this information on hvwtech.com website). So who needs this certification? AĆ²ll the technicians specialized in air conditioning system.

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