标准37提供了测定单元式空调设备制冷能力和单元式热泵设备制冷或制热能力的试验方法。2019年对标准37的重申不包括实质性变更。

Standard 37 provides test methods for determining the cooling capacity of unitary air-conditioning equipment and the cooling or heating capacities, or both, of unitary heat-pump equipment.The 2019 reaffirmation of Standard 37 includes no substantive changes.