UVGI in air handlers

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Ultraviolet germicidal irradiation (UVGI) is the use of ultraviolet radiation to inactivate microorganisms. UVGI systems predominantly use Ultraviolet C (UVC) radiation at a wavelength of ∼254 nm that is produced by low pressure mercury vapor or amalgam lamps. UVGI is applied in a variety of ways. Upper air systems disinfect air in rooms as it circulates into a region irradiated by fixtures located safely above the occupied zone. In-duct systems irradiate ventilation airstreams to inactivate microorganisms "on the fly" before air is delivered to occupied spaces. The primary purpose of upper air and in-duct systems is to reduce the risk of infectious disease transmission.

Original languageEnglish (US)
Pages (from-to)70-72
Number of pages3
JournalASHRAE Journal
Issue number4
StatePublished - Apr 2011

All Science Journal Classification (ASJC) codes

  • Building and Construction
  • Mechanical Engineering


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