ASHRAE 13-2007 Addendum a

Addendum a to ASHRAE Guideline 13-2007 — Specifying Direct Digital Control Systems
Amendment by ASHRAE, 2010

ASHRAE 137-2013 (RA 2017)

Standard 137-2013 (RA 2017) — Methods of Testing for Efficiency of Space-Conditioning/Water-Heating Appliances that Include a Desuperheater Water Heater(ANSI/ASHRAE Approved)
standard by ASHRAE, 2017