This document specifies requirements and methodologies for infrared thermographic services for detection of heat, air and moisture irregularities in buildings that help users to specify and understand a)       the extent of thermographic services required, b)       the type and condition of equipment available for use, c)        the qualifications of equipment operators, image analysts, and report authors and those making recommendations, and d)       the reporting of results. It provides guidance to understanding and utilizing the final results stemming from provision of the thermographic services. This document is applicable to the general procedures for infrared thermographic methods as can be applied to residential, commercial, and institutional and special use buildings.