In order to pass the exam, you need to achieve the 3rd type certificate.
Universal EPA Certificate
If you want to achieve the Universal EPA Certificate, you will learn the information covered in all of the 3 types of certifications.
To illustrate, the universal certificate allows technicians to work on all types of system. Furthermore, it is the most recommended one to take, out of all certifications.
This is due to its ability to open up options for you to find work.
Even though this certification soaks up more time for studying, achieving this certification will have you open doors for a lot of positions in the US.
With this certificate, you meet other state and local licensing requirements for HVAC technicians.
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10. How Much Does an HVAC Certification Cost?
In the end, the licensing requirements for HVAC certification are regulated by each state and vary from one to another.