These requirements cover nonducted@ stationary or fixed heat recovery ventilators for household@ commercial@ or industrial use and intended to be employed in accordance with the National Electrical Code@ ANSI/NFPA 70. These requirements cover heat recovery ventilators rated 600 volts or less. These requirements cover heat recovery ventilators that may be mounted through a wall or ceiling@ or in a window. These requirements cover heat recovery ventilators that may employ short ducts intended to bring air to and from the equipment. These requirements do not cover heat recovery ventilators employing ducts intended to supply conditioned air for environmental heating and/or cooling or distribute air throughout a building; such units are judged under the requirements in the Standard for Ducted Heat Recovery Ventilators@ UL 1812. These requirements do not preclude a preheater provided as part of the air exchange system.
2018UL 1815 BULLETIN-2018 UL Standard for Safety Nonducted Heat Recovery Ventilators (COMMENTS DUE: July 4@ 2018)
2017UL 1815 BULLETIN-2017 UL Standard for Safety Nonducted Heat Recovery Ventilators
2012UL 1815-2012 UL Standard for Safety Nonducted Heat Recovery Ventilators (Fifth Edition; Reprint with Revisions Through and Including July 19@ 2018)
2011UL 1815 CRD-2011 Section / Paragraph Reference: Section 3 / Paragraph 3.8 – 3.10@ New Section 22A / Paragraph 22A.1 – 22A4.4@ and New Section 53A / Paragraph 53A.1 – 53A.11.2 Subject: Requirements when employing Polymeric and Other Nonmetallic Materials (Edition 4: Octobe
2011UL 1815 BULLETIN-2011 UL Standard for Safety Nonducted Heat Recovery Ventilators (COMMENTS DUE: JUNE 20@ 2011)
2010UL 1815 BULLETIN-2010 UL Standard for Safety Nonducted Heat Recovery Ventilators (COMMENTS DUE: July 30@ 2010)
2009UL 1815 BULLETIN-2009 UL Standard for Safety Nonducted Heat Recovery Ventilators (COMMENTS DUE: SEPTEMBER 14@ 2009)
2009UL 1815-2009 UL Standard for Safety Nonducted Heat Recovery Ventilators (Fourth Edition; Reprint with revisions through and including November 12@ 2010)
2001UL 1815 BULLETINS-2001 UL Standard for Safety Nonducted Heat Recovery Ventilators (03/30/2001 (10p); 02/09/2001 (108p))