Mosquito Field Tests & Studies

Scientific testing has been done on Thermacell Mosquito Repellent for effectiveness against mosquitoes. The following entities carried out field tests on four continents in areas of high infestation:

  • The Department of Defense, Armed Forces Pest Management Board in Costa Rica
  • The Department of Defense, Walter Reed Army Institute of Research in South Korea
  • Field Comparison of Seven Commercially Available Products in Israel
  • Hacettepe University – SE Anatolia of Turkey
  • Scientific Coordination, Inc., in Maine, USA


  • Thermacell Mosquito Repellent is very effective at protecting people from mosquitoes.

  • Protection extends up to 25 feet away from the unit.

  • Protection from mosquitoes is greatest 7.5 feet away from the unit (15 feet in diameter) and is up to 98.6% effective at this distance.


  • The Department of Defense, Costa Rica
    • “…96.7% of protection from mosquito attack, and 95.8% from culicoides attack in the Brenon area of Costa Rica.”
  • The Department of Defense, South Korea
    • “The area repellent systems gave 98.6% protection from mosquito attack in the military bunkers.”
  • Field Comparison of Seven Commercially Available Products in Israel
    • "At a distance of 1, 2.5, and 3.33 m the best results were obtained with the Thermacell Patio Lantern"
  • Hacettepe University, Turkey
    • “These results indicated that reduction in mosquito biting rates in treated groups ranged from 87.5 to 97.7%."
Complete test data is available. Email your request to PRESS@THERMACELL.NET.