Heat is known to be very effective at killing bedbugs. 2 Heat also has the advantage of being non-toxic, and can kill all life stages of the bedbug, including the eggs. Studies show that temperatures above 49ºC (120ºF) will kill bedbugs in less than 1 minute. 2 At the lower temperature of 46ºC, all bedbugs will die in less than 6 minutes. 3 The GoodKnight™ uses convective heat to bring the mattress and bedding to temperatures above 50ºC (122ºF) for at least 20 minutes. The treatment is safe, being no hotter than the clothes dryer and effective, killing all bedbugs within the enclosure.
GoodKnight™ Heat Purification: The above cross-section shows how convective heat is distributed around the mattress and bedding.
Other Pests & Allergens
Mold, bacteria and other pests like dust mites are often a major source of indoor allergens. 4 The GoodKnight™ can play a significant role in reducing many of these contaminants in the sleeping environment by killing them with heat. The target temperature of the GoodKnight™, 50ºC (122ºF) will kill 100% of dust mites in 20 minutes. 5 Heat also helps denature asthma-causing allergens, reduces odors and even removes volatile organic compounds (VOCs). The full GoodKnight™ heat-purification cycle lasts 3hrs, giving the convective heat enough time to penetrate into the fabric and other materials, reaching pests that may be deeper in the fabric. Below is a list of pests and the temperature required to eliminate them using the GoodKnight™.
|Bedbugs||49ºC (120ºF)||1 minute 2|
|Dust mites||50ºC (122ºF)||20 minutes 5|
|Ticks||60ºC (140ºF)||15 minutes|
|Scabies||49ºC (120ºF)||10 minutes 6|
|Body Lice||46.6ºC (116ºF)||1 hour 7|
|Fleas||40.6ºC (105ºF)||1 hour 7|
|Cockroaches||49ºC (120ºF)||29 minutes|
|Mold*||60ºC (140ºF)||30 minutes|
|Bacteria*||55ºC (131ºF)||15 minutes|
|Volatile Organic Compounds|
*Not all species of mold or bacteria will be killed at these temperatures
(1) Insecticide Resistance in the Bed Bug: A Factor in the Pest’s Sudden Resurgence? Potter, D., Haynes, K.F., Potter, M., and A. Romero. 2007. J. Med. Entomol. 44 (2): 175Ð178
(2) Lethal Effects of Heat and Use of Localized Heat Treatment for Control of Bed Bug Infestations Roberto M. Pereira, Philip G. Koehler, Margie Pfiester, and Wayne Walker 2009. J. Med. Entomol. 102 (3), 1182-1188
(3) Lethal Effects of Heat and Use of Localized Heat Treatment for Control of Bed Bug Infestations Pereira, R.M., Koehler, P.G., Pfiester, M., and W. Walker. 2009. Journal of Economic Entomology. 102 (3), 1182-1188
(4) Larry G. Arlian, Thomas A.E. Platts-Mills, The biology of dust mites and the remediation of mite allergens in allergic disease, Journal of Allergy and Clinical Immunology, Volume 107, Issue 3, Supplement, March 2001, Pages S406-S413, ISSN 0091-6749, 10.1067/mai.2001.113670.
(5) Mahakittikun V, Wongkamchai S, Ahamad MH, Vichyanond P (2001) Killing mites with heat. Allergy Net 56:262
(6) Mellanby, K., Johnson, C.G., Bartley, W.C. and P. Brown. Experiments on the Survival and Behaviour of the Itch Mite, Sarcoptes scabiei DeG. var. hominis. 1942. Bulletin of Entomological Research, 33, pp 267-271. doi:10.1017/S0007485300026584.
(7) Mellanby, K. 1932. The influence of atmospheric humidity on the thermal death point of a number of insects. Journal of Experimental Biology. 9(2)
(8) Bed Bug Bites: A Review. Thomas I, Kihiczak GG, Schwartz RA. 2004. Int J Dermatol.;43(6):430-3