Small appliance
A factory sealed product containing 5 pounds or less of refrigerant, the equipment class covered by Type I certification.
A small appliance is a product that was manufactured, charged, and hermetically sealed at a factory and that contains 5 pounds or less of refrigerant. Household refrigerators and freezers, window air conditioners, and dehumidifiers are the familiar examples. Every element of the definition matters: the sealing must have happened at the factory, and the charge must be at or under the limit. Equipment assembled and charged in the field falls outside the category regardless of its charge size.
The category exists because sealed, small, mass produced systems justify their own rules. They are serviced and scrapped in enormous numbers, often by people who never touch larger equipment, and their construction does not offer the service fittings larger systems carry. Section 608 responds with a dedicated certification, Type I, and with recovery requirements tailored to what capture from a small sealed system can realistically achieve, including the 80 and 90 percent standards and the four inches of mercury evacuation alternative.
On the exam, the small appliance definition is a reliable source of questions, usually built around near miss descriptions: a field charged system under the weight limit, or a factory sealed unit described without its charge size. Candidates who test every scenario against both prongs of the definition, factory sealed and 5 pounds or less, take these questions without hesitation.
Related terms
| Self-contained recovery equipment | Recovery equipment with its own means of moving refrigerant, requiring no help from the appliance being serviced. |
| Recovery | Removing refrigerant from an appliance and storing it in an external container, without necessarily processing it. |
| Full charge | The quantity of refrigerant an appliance contains when properly charged, and the denominator of every leak rate calculation. |
The 608 fact sheet
One printable page: the four certification types, the exam structure, the leak-rate and recovery numbers, all cited to the regulation. Free.
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