(1)(a) "Air conditioning" means the process of treating air to meet the requirements of a conditioned space by controlling its temperature, humidity, cleanliness, or distribution.

(b)(i) "Air conditioning" includes chillers, except for purposes of RCW 70A.60.020.

(ii) "Air conditioning" includes heat pumps.

(c) "Air conditioning" applies to stationary air conditioning equipment and does not apply to mobile air conditioning, including those used in motor vehicles, rail and trains, aircraft, watercraft, recreational vehicles, recreational trailers, and campers.

(2) "Class I substance" and "class II substance" means those substances listed in 42 U.S.C. Sec. 7671a, as of November 15, 1990, or those substances listed in Appendix A or B of Subpart A of 40 C.F.R. Part 82, as of January 3, 2017.

(3) "Department" means the department of ecology.

(4) "Hydrofluorocarbons" means a class of greenhouse gases that are saturated organic compounds containing hydrogen, fluorine, and carbon.

(5) "Ice rink" means a frozen body of water, hardened chemicals, or both, including, but not limited to, professional ice skating rinks and those used by the general public for recreational purposes.

(6) "Manufacturer" includes any person, firm, association, partnership, corporation, governmental entity, organization, or joint venture that produces any product that contains or uses hydrofluorocarbons or is an importer or domestic distributor of such a product.

(7) "Person" means an individual, partnership, franchise holder, association, corporation, a state, a city, a county, or any subdivision or instrumentality of the state.

(8) "Refrigeration equipment" or "refrigeration system" means any stationary device that is designed to contain and use refrigerant. "Refrigeration equipment" includes refrigeration equipment used in retail food, cold storage, industrial process refrigeration and cooling that does not use a chiller, ice rinks, and other refrigeration applications.

(9) "Regulated refrigerant" means a class I or class II substance as listed in Title VI of section 602 of the federal clean air act amendments of November 15, 1990.

(10) "Residential consumer refrigeration products" has the same meaning as defined in section 430.2 of Subpart A of 10 C.F.R. Part 430 (2017).

(11) "Retrofit" has the same meaning as defined in section 152 of Subpart F of 40 C.F.R. Part 82, as that section existed as of January 3, 2017.

(12) "Substitute" means a chemical, product, or alternative manufacturing process, whether existing or new, that is used to perform a function previously performed by a class I substance or class II substance and any chemical, product, or alternative manufacturing process subsequently developed, adapted, or adopted to perform that function including, but not limited to, hydrofluorocarbons. "Substitute" does not include 2-BTP or any compound as applied to its use in aerospace fire extinguishing systems.