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NEWS
ASHRAE SSPC 62.2 to Consider New Proposal
April 20, 2020

In March 2017, a proposal was submitted to the ASHRAE Standing Standard Project Committee (SSPC) 62.2, Ventilation and Acceptable Indoor Air Quality in Residential Buildings, that would have effectively banned the installation of vent-free appliances in homes designated as 62.2 compliant. It established criteria that were more stringent than the existing ASHRAE Position Document on Unvented Combustion, and included an equation that used maximum input with no cycling provisions or consideration of temperature and human comfort. While many comments were submitted on this proposal, as well as on a second proposal, they were not properly considered and resolved in accordance with the ASHRAE procedures and ANSI Essential Requirements.

Following an official repeal and rejection of the proposal by the ASHRAE Board of Directors, the Standards Committee established an ad hoc working group consisting of members from the Standards Committee, the SSPC, and the vent-free industry. With assistance from the Vent-Free Alliance, the working group recently approved a new proposal that includes cycling and thermostatic controls as well as information from the ASHRAE Position Document on Unvented Combustion Devices and Indoor Air Quality. It will be submitted to the SSPC for consideration during its June 2020 meeting.


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