ARI stands for the Air-Conditioning, Heating, and Refrigeration Institute, which is a trade association that represents the interests of manufacturers of air conditioning, heating, and refrigeration equipment, components, and supplies. An ARI certificate is a document that is issued by the organization to certify that a particular product or component meets certain performance standards or criteria.

There are several types of ARI certificates, including certification for residential and commercial air conditioning and heating equipment, certification for refrigeration equipment, and certification for air-moving and air-treatment equipment. The ARI certification process involves testing and evaluating the performance of a product or component under standard laboratory conditions to ensure that it meets the relevant standards and criteria.

Obtaining an ARI certificate can be an important consideration for manufacturers of HVAC products and components, as it can help to demonstrate the quality and performance of their products to consumers and professionals. It can also help to ensure that the products meet the standards and requirements of various regulatory bodies and building codes. In addition, an ARI certificate can be a useful tool for consumers and professionals when comparing different products and systems, as it can provide a benchmark for evaluating the performance and efficiency of different options.