ASHRAE-American Society of Heating, Refrigerating and Air-Conditioning Engineers
Hello. Sign In
Standards Store


American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

IHS Markit is your source for ASHRAE standards, publications and online training course.

ASHRAE, founded in 1894, is an international organization of 51,000 persons. ASHRAE fulfills its mission of advancing heating, ventilation, air conditioning and refrigeration to serve humanity and promote a sustainable world through research, standards writing, publishing and continuing education.

ASHRAE standards cover terms, definitions, ratings, measurements, thermal performance, and energy conservation in general. Specifically, the standards cover items such as: air-conditioning equipment, condensers and compressors, airflow (outlets/inlets), refrigerants, heat pumps, solar collectors, refrigerators and freezers, positive displacement condensing units, liquid coolers, mechanical refrigeration installations on shipboard, automatic ice makers, proportion of oil in liquid refrigerants, fluid flow measurement of gases, floc point of refrigeration grade oils, and energy conservation.

Featured Products and Services:


ASHRAE STD 90.1 ASHRAE STD 90.1 : Energy Standard for Buildings Except Low-Rise Residential Buildings
Standard 90.1 has been a benchmark for commercial building energy codes in the United States and a key basis for codes and standards around the world for more than 35 years. This standard provides the minimum requirements for the energy-efficient design of most buildings and offers, in detail, the minimum energy-efficient requirements for the design and construction of new buildings and their systems, new portions of buildings and their systems, and new systems and equipment in existing buildings as well as the criteria for determining compliance with these requirements.
ASHRAE STD 90.1 (I-P Units)
ASHRAE STD 90.1 (SI Units)

- 24/7 Online Access
- Daily Content Updates
- Broad Technical Resources in One Convenient Place
Get more information.