scope:

This standard applies to factory-made Self-contained Humidifiers for Residential Applications, as defined in Section 3.

Energy Source. This standard applies to electrically operated Self-contained Humidifiers that are independent of the air stream of a central air system for moisture evaporation and distribution. 2.

Installation. The Self-contained Humidifier is intended for installation through an interior wall.

Exclusions. This standard does not apply to the following:

Central system humidifiers as defined in AHRI Standard 611.

Portable humidifiers as defined in AHAM HU-1.

Humidifiers for commercial and industrial applications as defined in ANSI/AHRI Standard 640.

Purpose. The purpose of this standard is to establish for Self-contained Humidifiers: definitions; classifications; test requirements; rating requirements; minimum data requirements for Published Ratings; operating requirements; marking and nameplate data; and conformance conditions.

Intent. This standard is intended for the guidance of the industry, including manufacturers, engineers, installers, contractors and users.

Review and Amendment. This standard is subject to review and amendment as technology advances.