NPGA Bobtail

ASHRAE Advances Proposal to Prohibit Listed Gas-Fired Vent-Free Heaters


Despite efforts to dissuade ASHRAE from doing so, earlier this month it approved for public review what could become “addendum j” to Standard 62.2 on indoor air quality. Addendum j explicitly prohibits all permanently mounted gas-fired unvented heaters listed to the unvented room heater standard, ANSI Z21.11.2, ...

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