The American Society of
Heating, Refrigeration and Air-Conditioning Engineers
publishes climatic design information useful for many
design projects. A completely revised and updated
version of this data has been published in ASHRAE's 2017
Handbook of Fundamentals. PsyCalc now contains this data
as updated and printed in the 2017 ASHRAE Handbook of
Material adopted by permission from the 2017 ASHRAE Handbook Fundamentals. The American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. assumes no liability for the use or contents of this software or its fitness for a particular application. ASHRAE Inc. has not reviewed this software and does not endorse, warrant, or certify its use or application.
Use of this ASHRAE content may not be done in a way that will state or imply ASHRAE endorsement.
No additional distribution or reproduction may be made without the permission of ASHRAE.
The licensee may not sell the individual reprints.
This permission should not be construed that ASHRAE is waiving any copyright protection or other rights entitled to its intellectual property.
For this new set of climatic design information ASHRAE has made several changes and additions. These are discussed below very briefly. For further information or clarifications please refer to the
2017 ASHRAE Handbook of Fundamentals. Contact
ASHRAE offices to purchase a copy of this Handbook
or to get answers or clarification not provided in the
Heating and Humidification design work.
Two cummulative frequency values,
annual extremes and coldest month data.
Cooling and Dehumidification design work.
Four sets of three cummulative
frequency values, annual extremes and daily range
designing for the affect of Wind.
Three cummulative frequency values,
coincident speed and direction and coldest month
extreme dry bulb temperatures for periods of 5, 10, 20
and 50 years.
Huge Increase in the
Number of Locations.
locations are now included (a small percentage of which
The "ASHRAE Design
for a complete set of data for a single location.
Cooling design data sets.
Use the "Design Data Calculator"
for a specific data set, (DB/MCWB, WB/MCDB, DP/MCDB and
The information presented in
these sections of PsyCalc® has been made available via a
licensing agreement between ASHRAE and Linric Company.
The information is intended to be used as a guide. See
the ASHRAE Handbook of Fundamental, "Climatic Design
Information" for further information about the
applications and use of this data. Or contact ASHRAE for