EPA Section 608
The United States certification required to handle refrigerants under the Clean Air Act. Like F-Gas in Europe, it makes opening a refrigerant circuit a licensed activity rather than a do-it-yourself task.
Also called EPA 608, Section 608
What is EPA Section 608?
EPA Section 608 is the United States certification required to handle refrigerants under the Clean Air Act. It divides into type classes covering small appliances, low pressure, and high pressure equipment.
EPA Section 608: how it works
The rule requires anyone who maintains, services, repairs, or disposes of equipment that could release refrigerant to hold certification, and it divides that certification by equipment class. Type I covers small appliances, Type II high pressure equipment including most split systems, Type III low pressure equipment, and Universal covers all three. Venting refrigerant is prohibited, which is why recovery equipment is part of the job rather than an option.
Where you meet the term
- In a service quotation, where recovery and recharge are carried out by a certified technician.
- At a supplier, where the sale of refrigerant is restricted to certified technicians.
- In equipment disposal, where refrigerant has to be recovered before the unit is scrapped.
How to check it
- Confirm the certification type matches the equipment. Type II or Universal covers residential split systems and heat pumps. Type I alone covers small sealed appliances. Owner check
- Expect recovery equipment on site. Refrigerant removed from a system has to be recovered rather than released, so a recovery machine and cylinder are part of the visit. Owner check
Figures you will see
| Condition | Figure | What it tells you |
|---|---|---|
| Type I | Small appliances | Factory-sealed units holding small charges |
| Type II | High pressure equipment | Covers residential split systems and heat pumps |
| Type III | Low pressure equipment | Chillers operating below atmospheric pressure |
| Universal | All three types | Held by technicians who work across equipment classes |
EPA Section 608: what it is not
- Section 608 is not a general HVAC licence. It certifies refrigerant handling specifically, and state or local licensing sits alongside it.
- Buying refrigerant without certification is restricted, and the restriction applies to the purchase as well as to the work.
EPA Section 608 questions
Which Section 608 type do I need for a mini-split?
Type II covers high pressure equipment, which includes residential split systems and heat pumps. Universal certification covers it as well, along with the other classes.
Can a homeowner buy refrigerant in the United States?
Sales of most refrigerants are restricted to certified technicians. That restriction exists precisely because charging a system is not a task the rule contemplates an owner performing.
Is Section 608 recognised in the United Kingdom?
No. The United Kingdom and European Union operate F-Gas certification, and the two schemes are separate. Working in either jurisdiction requires that jurisdiction's qualification.
Where this definition comes from
Written from government guidance material held in the HVAC Bench evidence record. Where a document limits a definition to certain models, that limit is repeated here rather than generalised across a brand.
- Section 608 Technician CertificationWho may open a refrigerant circuit in the United States, and under which certification type.