ASHRAE 84-1991
Method of Testing Air-to-Air Heat Exchangers

Standard No.

ASHRAE 84-1991

Release Date

1991

Published By

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

Status

Be replaced

Replace By

ASHRAE 84-2008

Latest

ASHRAE 84-2020

Scope

This standard prescribes methods for testing the performance of certain air-to-air heat exchangers.In this standard@ an air-to-air heat exchanger is a device utilized to transfer heat from one airstream to another. The types of air-to-air heat exchangers covered by this standard are(a) rotary energy recovery wheels(b) heat pipe exchanger(c) thermosiphon exchanger(d) coil recovery loop exchanger(e) fixed plate exchanger(f) open spray recovery loop exchangerThis standard is not intended for testing a packaged system@ sometimes called a heat recovery ventilator.

ASHRAE 84-1991 history

• 2024 ASHRAE 84-2020 Standard 84-2020 -- Method of Testing Air-to-Air Heat/Energy Exchangers (ANSI Approved)
• 2013 ASHRAE 84-2013 Method of Testing Air-to-Air Heat/Energy Exchangers
• 2008 ASHRAE 84-2008 Method of Testing Air-to-Air Heat/Energy Exchangers
• 1991 ASHRAE 84-1991 Method of Testing Air-to-Air Heat Exchangers