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ThermaCELL

Mosquito Repellent

Bug Off

My husband is one of the lucky people who never get bitten, but I’ve always been the opposite. I can be covered in itchy bites in no time whatsoever if I don’t dress myself from head to toe. But who wants to cover up on a hot summer night? With ThermaCELL, you don’t have to.

ThermaCELL isn’t like most mosquito repellent devices. There’s no open flame, and ThermaCELL doesn’t contain DEET or any other harsh chemicals. Instead, it uses butane cartridges and a repellent called allethrin, which is a synthetic form of a
natural insecticide found in chrysanthemums. The combination repels up to 98% of mosquitoes, black flies, no-see-ums and sand flies. The technology has been tested and approved by the EPA and the U.S. Army, and it’s currently used in Iraq, Kuwait and Afghanistan.

We’re offering two styles: a patio lantern and a portable unit. Each covers a 15’ x 15’ area. The lantern doubles as a muted light, which is nice when you’re outdoors in the evening. The portable unit is designed to tag along when you’re working in the yard, taking a hike, fishing or sitting by the campfire. There’s no easier way to create a DEET-free, odor-free, marvelously bug-free zone.

— Angella
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ThermaCELL  - Mosquito Repellent

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Grommet Launch Conversation

  • Josh
    Josh

    As a member of the founding family of ThermaCELL products, I would be happy to answer any questions you may have about the most effective area repellent in the world. Our products are sold in 18 countries worldwide and are steadily gaining popularity in the United States for one reason and one reason only – ThermaCELL WORKS! ThermaCELL knows mosquitoes will ruin even the best outdoor gatherings. Instead you can create a bug-free zone in minutes by activating your ThermaCELL and in 10-15 minutes your backyard will be mosquito free (225 square feet CELL of protection). Plus, ThermaCELL lanterns provide ambient lighting with or without activating the repellent feature. ThermaCELL products are portable, flameless, odor-free, re-useable and affordable. Best of all, you will never have to douse yourself and your family in DEET again.

  • Katherine
    Katherine – Grommet Team
    6/17/2010 12:43 PM

    I live in Minnesota where we jokingly call the mosquito our State Bird! To be able find a product that allows us to enjoy our summers outside and not be chased in by mosquitoes is great. Thank you!

  • Cat
    Cat
    6/17/2010 12:51 PM

    Mosquito-free evenings sound wonderful, but how long do the butane cartridges and the repellent last?

  • Josh
    Josh – Special Guest
    6/17/2010 12:54 PM

    Thanks for the comments. Each Thermacell Mosquito Refill Pack contains one Thermacell butane gas cartridge and 3 repellents mats and will provide up to 12 hours of total protection (you can turn it on and off as you like). Each cartridge will last 9-12 hours and each repellent mat will last 3-4 hours and should be changed when it turns from blue to white.

  • Freya
    Freya
    6/17/2010 1:38 PM

    Does this repel bees/wasps/yellow jackets as well as mosquitoes?

    Thanks!

  • Josh
    Josh – Special Guest
    6/17/2010 1:50 PM

    Hi Freya. Thermacell has been tested to effectively repel mosquitoes, black flies and no-see-ums. We have no specific testing against bees or wasps but I have reason to believe the product will not work against either insect, no.

  • Wayne L K Duarte
    Wayne L K Duarte
    7/31/2011 2:27 PM

    @Josh: Aloha glad to hear it repels black flies looking forward to trying it for our camping trips Hope it can help us with the pesky flies always having to cover our food This is a welcome alternative to toxic poisons to get rid of flies Mahalo WD

  • DonnaSue
    DonnaSue
    6/17/2010 3:31 PM

    How long does a cartridge last? Is the latern okay to leave on all night even if someone isn't around?

  • Josh
    Josh – Special Guest
    6/17/2010 3:38 PM

    Each cartridge lasts 9-12 hours. We have never had any safety claim with any Thermacell products, they are very safe and there is no open flame.

  • Kimberly
    Kimberly
    6/17/2010 5:11 PM

    How well does this product work in a strong breeze and also does it work well close to the ocean?

  • Josh
    Josh – Special Guest
    6/17/2010 5:32 PM

    We've found that any wind strong enough to disrupt Thermacell's effectiveness is also too strong for mosquitoes to navigate. If there is any wind we recommend placing Thermacell a little upwind of the area you wish to protect. It will work by the ocean and it also happens to repel sand flies.

  • Josh
    Josh – Special Guest
    6/17/2010 5:52 PM

    That refill last up to 48 hours. The R-4 Value Pack of Refills is $19.95 and provides up to 48 hours of total protection.

  • Karen
    Karen
    6/21/2010 9:04 AM

    Is it safe for dogs to wear the portable unit? What about deer flys, does this work for them?

  • Julie
    Julie – Grommet Team
    6/21/2010 1:47 PM

    @Karen Great questions! We've forwarded them on to ThermaCELL who would have more experience with this. Thank you for posting!

  • Lynne
    Lynne
    6/21/2010 6:23 PM

    Josh, do you know of any restaurants that have effectively used your device? We are having a real problem with flies, now both inside and out because the doors are open so often to outdoor dining areas.

  • Josh
    Josh – Special Guest
    6/22/2010 7:02 AM

    Karen: We have no specific testing on Thermacell vs. Deer Flies but I have reason to believe that Thermacell will not effectively repel them.

    As to protecting your dog I can say that the ThermaCELL Mosquito Repellent is approved by the U.S. EPA (Environmental Protection Agency) and the E.P.A. of all 50 states, the as well as in 12 countries internationally. The EPA and other regulatory bodies evaluated it for safety and functionality as well as environmental impact. Skin toxicity, inhalation toxicity and oral toxicity were a part of the information reviewed by the EPA during the registration process.

    Our packaging does include the following warnings:

    "Harmful if inhaled. Avoid breathing vapors."

    "Do not contaminate food."

    These warnings were required by the EPA when they gave us their registration. The chemical that we use can be harmful if ingested or inhaled in extremely high concentrations. For that reason alone, the EPA requires these warnings on any product that uses this chemical, regardless of how little of it is actually used.

    Our toxicologist informs us that the toxicity is the same whether inhaled or ingested. She also stated that the No Observable Effect Limit (the highest dosage given in laboratory studies in which no significant health effects were observed) for mammals is 750 milligrams per kilogram of body weight. An average person weighs at least 50 kilograms so the dosage needed to cause health effects would exceed 37,500 milligrams. One of our mats contains 498 milligrams and it is released over a period of 3 to 4 hours. Any chemical that is ingested or inhaled is quickly broken down in mammals. It does not accumulate and become a body burden. We believe that our product presents no health hazard for use outdoors with adults, children (please do not let children play with the product) and pets.

    ThermaCELL commissioned a theoretical study (mathematical model) that showed that even if the unit were run in a windowless, small room for 8 hours straight, ThermaCELL would not pose an unreasonable risk to humans (Adults or Children) because the exposure level would be 2,000 to 3,000 times less than the No Observable Effect Level (NOEL) for Allethrin (the active ingredient.) In lab testing, the No Observable Effect Level is the highest dosage given to an animal that does not cause any significant health effects.

    The instructions and labeling on our packaging is mandated by the EPA which states that the product should be used 'on a flat, stable surface' and so I cannot recommend any use of Thermacell that runs counter to these instructions. Many customers do wear Thermacell while hiking or walking and have good results but I cannot recommend this type of use or attaching the appliance to your dog.

    If you would like me to send your The Material Safety Data Sheet on the repellent in Thermacell I will be happy to do so and you can show it to your veterinarian to double check things. You can e-mail me at [email protected] if you would like me to send this material.

  • Christine
    Christine
    3/15/2011 12:34 PM

    @josh: It seams like a dream product.But does your research mean that it was tested on animals to discover how much of it is toxic? Is there a way,named on the label,to disposed of the cartridges safely? Or do you recommend a recyclable alternative?

  • Josh
    Josh – Special Guest
    3/15/2011 1:44 PM

    @Christine: Thank you for the question. Thermacell products have been tested on insects but not on any animals.

    As far as disposing of the product: once the butane gas has been emptied from the cartridges you can dispose of them with your regular plastic recycling.

  • Josh
    Josh – Special Guest
    6/22/2010 7:04 AM

    Lynne,

    We do have many restaurants that use Thermacell to protect customers. In Italy almost the entire Thermacell business is with outdoor restaurants protecting their diners. It works well. Please note however that Thermacell is intended for outdoor use only.

  • Lloyd
    Lloyd
    6/22/2010 10:50 AM

    How much repellent is included with the lantern package for $29? Do I need to buy the additional refill pkg also? I'd like to try it out before paying for more refills.

  • Julie
    Julie – Grommet Team
    6/22/2010 1:08 PM

    @Lloyd Great questions! We forwarded your questions on to Josh at ThermaCELL. Thanks for posting!

  • Josh
    Josh – Special Guest
    6/22/2010 2:36 PM

    Lloyd: All Thermacell full size appliances and lanterns as featured here come with one Refill Pack that contains 1 butane gas cartridge and 3 repellent mats which you will use together to offer up to 12 hours of total protection. You can turn Thermacell on and off as you like.

  • gmarie808
    gmarie808
    6/23/2010 10:21 PM

    Josh, I have read in your response above that your product is tested on animals? What kind of "mammals" has your product been tested on? I see you use the NOEL standards of measure for your animal testing. Have you yourself been witness to these results of "No Observable Effect level for Allethrin? If so what is the level when there is observable effects and what are the observable effects on these mammals? Have you tested on pregnant mammals? Males and females equally? What are the ages of these mammals? Do you test on baby mammals too? Have any mammals died in your tests? From what? Your product seems to be more for short term uses such as hiking or picnics or sunbathing? Not for an everyday solution? How much would it cost (in refills) to run it everyday, say 8 hours typically, for the summer? Thank you for your time and consideration in answering my concerns, it is appreciated.

  • Katherine
    Katherine – Grommet Team
    6/24/2010 12:44 AM

    @gmarie808 - - that is a lot of questions! I'm so curious what your use is that you would need 8 hours a day of continuous protection! What do you use now? The refill kit is roughly $20 and lasts up to 48 hours. That averages out to $3.33 per day for 8 hours of coverage per day. As for the rest of your questions, would you be able to give us a clearer indication of what is most important for you to know? Are you pregnant and wish to make sure it's been tested safe for pregnant mammals? You seem very educated in animal testing procedures, do you only purchase from companies who can prove that they have safe testing practices? If so, please let us know if there is another way for him to allay your concerns - it must be very difficult to amass this much information before making every purchase. We're glad to be able to give our customers the ability to get to know and interact with the companies that make the products we feature, so please let us know the most important question to pass on to Josh so that you are comfortable making the purchase of ThermaCELL products.

  • Geoff
    Geoff
    7/6/2010 8:34 AM

    Josh, I'm very interested in your product, since mosquitoes are passionately attracted to me. I'm the person you want to stand near at any outdoor gathering -- you'll be bite-free, I guarantee!

    Your device is using a pesticide -- a naturally occurring one, which sounds like it has a lot of positive attributes, especially compared to DEET -- but a pesticide nonetheless. One of the questions I think we should ask ourselves before using a pesticide is, "what happens downstream?" For example, how quickly does allethrin break down, and what does it break down into? How toxic are the substances it breaks down into?

    Thanks for answering my questions. I use natural repellants, but there are situations where that's just not enough, so I'm always on the lookout for other tools I can feel good about using.

  • Jeanne
    Jeanne – Grommet Team
    7/6/2010 10:41 AM

    @Geoff - I hear you ... I don't want to be outside even for a minute without this lantern since I seem to have a giant target on my back when it comes to mosquitoes.

    So, in one of the comments above, Josh says "Any chemical that is ingested or inhaled is quickly broken down in mammals. It does not accumulate and become a body burden." So it would seem that there wouldn't be any harm to the environment or humans. I'll also let Josh know about your comment, though, so that he can chime in with any additional information he has here.

  • Jeanne
    Jeanne – Grommet Team
    7/8/2010 8:18 AM

    I just heard back from the folks at ThermaCELL (Josh is on vacation) with more details in answer to your question, @Geoff:

    Allethrin, a pyrethroid, will after time in an indoor or outdoor situation be biodegraded by the environment. The longevity of Allethrin in the environment varies from 1-2 hours in the atmosphere to less than 8 hours in an aqueous environment or on a glass plate under sunlamps. Allethrin will be broken down into water, CO2, and other carbon based materials. Allethrin in an outdoor environment will biodegrade in a relatively short time and is not considered a persistent pesticide. Allethrin is known as a “knock-down”, quick-acting pesticide but has no residual activity because of its short half-life in the environment.

  • Christine
    Christine
    7/11/2010 8:28 PM

    I just used the lantern for the first time. It was activated and working. I could see the little smoke coming from the top. It did not repel flies. One even landed on the lantern. We didn't have any mosquitoes, but flies were all around us during dinner, and some other little tiny bugs. I am disappointed.

  • Katherine
    Katherine – Grommet Team
    7/11/2010 10:43 PM

    @Christie - Thank you for your feedback. We will let Josh know of your experience and have him advise.

  • Josh
    Josh – Special Guest
    7/12/2010 3:52 PM

    Gmarie, I apologize for the lateness of this reply as I was out of the office last week. Thermacell itself has never been tested on animals, mammals or otherwise. It is te pesticide agent, the chemical Allethrin that went through the toxicity testing mandated by the EPA and I do not unfortunately have the specifics of their testing parameters. We must use the data for our application to the EPA but we did not sanction any testing of the chemical and only used existing results. If you have further concerns or other questions please email me at [email protected] and I will contact our consultant toxicologist to provide a more complete answer.

  • Josh
    Josh – Special Guest
    7/12/2010 3:53 PM

    Christie, Thank you for your comment. Thermacell has been tested to effectively repel mosquitoes, black flies and no-see-ums (it also repels sand flies) but Thermacell does not work against house flies, deer flies or horse flies. Could the flies that bothered you while Thermacell was in use be house flies oranother variety of fly that is not the black fly? If there were definitely back flies that bothered you may I ask if the the repellent mat turned from blue to white within 3-4 hours of use? This is how you can tell if Thermacell is operating correctly. I am back in the office and able to answer and further comments promptly.

  • Katherine
    Katherine – Grommet Team
    7/13/2010 2:35 PM

    I wasn't sure what the difference between a house fly and a black fly was so I asked Josh for more information on that. Basically black flies bite and house flies may buzz around your head, table and food but they don't bite. ThermaCELL's entomologist sent back the following:

    "House flies are gray, approximately 1/4 inch long, with four dark longitudinal stripes on top of the thorax, or middle body region. The mouth parts of the house fly are adapted for sponging up liquids. They cannot bite." (University of Delaware)

    "A black fly (sometimes called a buffalo gnat, turkey gnat, or white socks) is any member of the family Simuliidae. Most black flies gain nourishment by feeding on the blood of other animals, although the males feed mainly on nectar. They are usually small, black or gray, with short legs, and antennae. They are a common nuisance for humans." (Ohio State University)

  • Christine
    Christine
    7/13/2010 2:53 PM

    The flies around our table were house flies. We never see black flies. I should have realized the difference when I purchased this, because I bought it to repel flies. I wish there was something like this to repel house flies.

  • SQUEELonWOW
    SQUEELonWOW
    7/22/2010 1:56 PM

    I bought this, set it up as instructed and was totally amazed! I live 500 yards from a fresh water lake. after 10 minutes, I went to my back porch to read a book in peace. A fly came, hit an invisible force field and turned around. A gyspy moth that was hiding behind me between my vinyl siding, flew away about 5 feet. After sitting near it for 2 hours, i decided to turn it off and just left out for a few days, no bugs hovering my porch. Used it on the beach and no bugs there either :)

    - post edited to comply with a no-advertising policy.

  • Katherine
    Katherine – Grommet Team
    7/22/2010 3:11 PM

    @SQUEELonWOW - Thanks for sharing your experience with this product. I bet that fly and moth are still scratching their heads trying to figure out what disrupted their plans.

  • Giff
    Giff
    8/5/2010 1:39 PM

    Color me impressed -- as a method of keeping mosquitoes away, this works really well. The pricing of the refills is such that we have to save this for only occasional use, but I'm glad we got the product.

  • Katherine
    Katherine – Grommet Team
    8/5/2010 1:45 PM

    @Giff - so good to know! Thank you for stopping back and sharing your experience with this product!

  • jaybone
    jaybone
    11/21/2010 10:52 PM

    great product used a friends then bought 2 for myself.wish i had paid the gromet price and not the 19.99 i paid at cabellas but i know better now

  • Christine
    Christine
    3/15/2011 12:41 PM

    Can you email back to me the answers to my questions? Thank you, C

  • Katherine
    Katherine – Grommet Team
    3/15/2011 12:46 PM

    @Christine: I have forwarded your question on to Josh and will email you his response. Thanks for stopping by!

  • Katherine
    Katherine – Grommet Team
    5/20/2011 12:00 PM

    This is the second time that we have featured ThermaCELL and have carried over the conversation from the first feature. We are here to answer your questions!

  • Jim
    Jim
    5/20/2011 1:14 PM

    Josh:

    How does Thermacell Lantern differ from the Off Powerpad Lantern that are available in local stores? Is it the same technology? Thanks and looks like a great product.

  • Josh
    Josh – Special Guest
    5/20/2011 2:54 PM

    @Jim: Thank you for the question. The Thermacell Mosquito Repellent lantern is powered by a butane gas cartridge and not a candle as in the Off Powerpad Lantern. Without a candle there is no messy liquid wax to spill and to clean up. The butane cartridge also allows for more even heating which disperses the repellent more effectively. Also, the Thermacell Lantern came first and we own a patent on the device where we can have our repellent mat face flat and horizontal directly against our heating plate. As such, The Off lantern is forced to orient their mat in a vertical position which does not allow the heat to get to the mat as evenly or as well. Lastly if you are interested in doing an Internet search about the relative happiness of customers of each lantern I believe you will find many more consumers who are satisfied with Thermacell’s performance and you will see that the reviews of the Off lantern are far less complimentary because it does not repel mosquitoes as well as Thermacell, which of course is the bottom line.

  • Nancy G.
    Nancy G.
    5/20/2011 1:35 PM

    FYI - my husband has used the smaller version while hunting for years and we have also used it on our patio during get-togethers. It worked PERFECTLY for both applications but I'm glad to see there's a table-top version available now!

  • Katherine
    Katherine – Grommet Team
    5/20/2011 1:42 PM

    @Nancy G.: Thanks for the first hand information!

    @Jim - Josh will be stopping by shortly to respond to your question.

  • Mary L.
    Mary L.
    5/20/2011 2:24 PM

    I, too, have the same question as Jim. Thanks!

  • Josh
    Josh – Special Guest
    5/20/2011 2:55 PM

    @Mary L.: Thanks for your question, see above.

  • Barbara
    Barbara
    5/20/2011 3:17 PM

    I'm very interested in this product. Is there any odor that is noticeable by people?

  • Katherine
    Katherine – Grommet Team
    5/20/2011 3:20 PM

    @Barbara: It is odorless!

  • Danielle
    Danielle
    5/20/2011 4:50 PM

    I'm a biologist and often have to sit still in areas filled with mosquitos, e.g. swamps and damp woods. I use to be a mosquito snack even when sprayed with DEET. I've been using thermacell for about 3 years now and I love it and recommend it to all of my collegues. It drives away mosquitos even in the buggiest places.

  • Katherine
    Katherine – Grommet Team
    5/20/2011 6:02 PM

    @Danielle: Wow! Thanks for sharing how this product works for you in extreme conditions. That's quite a testament to the effectiveness of this product.

  • Melanie Shellito
    Melanie Shellito
    5/20/2011 5:55 PM

    So, the refill pack comes with both pads and cartridges... do both get used in both items? or does the lantern take the pad and the portable device use the cartridges? I think I'm confused by what each does... If I order JUST the portable device am I getting refill pads I won't need? (sorry if this is a stupid question!)

  • Katherine
    Katherine – Grommet Team
    5/20/2011 6:16 PM

    @Melanie Shellito: Great question. Both get used with both items. The butane cartridge provides heat to vaporize the repellent allowing it to rise into the air and keep the insects away.

  • tessa
    tessa
    5/20/2011 8:53 PM

    Hi, I just want to use the portable device for when I hike. I hike 2 hours. So, is it possible to use it for 2 hours and then shut it off for next time or if you turn it on, does it keep burning? How long does the portable one last in total? What comes with the initial portable purchase?

    Thanks!

  • Katherine
    Katherine – Grommet Team
    5/21/2011 9:08 AM

    @tessa: It comes with three mats and one butane cartridge. Yes, you can use it for two hours and then shut the unit off. Enjoy your summer hikes!

  • scott
    scott
    5/20/2011 9:13 PM

    Wikipedia indicates that the ingredient in your product is highly toxic to bees and fish. Can you respond to that, please?

  • Katherine
    Katherine – Grommet Team
    5/21/2011 9:10 AM

    @scott: I have forwarded your question on to Josh.

  • josh schawbel
    josh schawbel
    5/22/2011 10:34 AM

    @scott: Thanks for the question Scott. Thermacell uses the repellent d-cis trans allethrin with is toxic to fish and bees only in very high concentrations. The small amount of chemical released using Thermacell will not harm bees or fish. In the case of bees Thermacell is used outdoors and bees are simply able to stay away from the area where the repellency is released. In the case of fish it would only be harmful if several unused mats were disposed in small body of water such as a fish bowl. As long as people are conscientious and do not dispose of the mats in any small body of water containing fish there is no danger to them. We have had toxicologist reports that indicate there is no danger to bees in the outdoors or to fish in ponds that are adjacent to where Thermacell is being used. I hope this answers your question. If you have a specific concern I would suggest you ask me for the material safety data sheet on the repellent, this will indicate the specific amounts and safety concerns of Thermacell and you can consult your veterinarian.

  • Margaret Carlson
    Margaret Carlson
    5/21/2011 11:42 PM

    I purchased two of these products last summer and found them ineffective the two times that I used them - I had the lantern out next to my friend and I in the backyard and we had to move inside, as we were getting bitten by mosquitos all the same. Are others having a different experience?

  • Katherine
    Katherine – Grommet Team
    5/22/2011 9:32 AM

    @Margaret Carlson: That is disappointing. That hasn't been the experience with our testers. It would be interesting to understand the difference. It does take at least 15 minutes to establish the zone of protection and it works better the less wind there is. One other thing is that it doesn't work well over 4500 feet altutude due to the thin air.

  • josh schawbel
    josh schawbel
    5/22/2011 10:37 AM

    @Margaret Carlson: Thanks you for your comment. We are very confident that Thermacell works and so if you had any problems with mosquitoes while Thermacell was in use I am sure that the appliance was not operating correctly. May I ask if the mats turned from blue to white during use? This is how you can tell if Thermacell is operating correctly. Also, we stand behind our products and I am happy to repair or replace any malfunctioning Thermacell. Please let me know your thoughts Margaret and feel free to contact me directly at [email protected] so we can figure this out and make it right for you.

    Josh Schawbel

  • Sue W.
    Sue W.
    5/23/2011 9:35 AM

    Hi. Can you tell me if your product works on ticks?

    Thanks.

  • Josh
    Josh – Special Guest
    5/23/2011 11:22 AM

    @Sue W.: Thermacell has been tested to effectively repel mosquitoes, black flies and no-see-ums. We have no specific testing against ticks but I have reason to believe that Thermacell will not effectively repel them.

  • melanie
    melanie
    5/23/2011 10:04 AM

    I live in North Florida and we have not only a ton of mosquitoes, but in my semi-rural area we have problems withnasty, aggressive deerflies (also called yellow flies). They bite you before you realize they have even landed on you, and the bite leaves red marks and a terrible itch. Does this reller work on that variety of fly? I would pick a moquito bite over a deerfly bite ANY day.

  • Katherine
    Katherine – Grommet Team
    5/23/2011 10:09 AM

    @melanie: It would be great to find an effective solution for those painful deer flies. Another person had asked about these pesky insects and Josh responded that although they have not specifically tested this product for deer flies, he has reason to believe that it won't be effective.

    @Sue W. I have sent Josh the question about ticks.

  • Steven Chayer
    Steven Chayer
    5/23/2011 10:30 AM

    Our cabin is on a river in the central Cascade mountains and there is often a slight breeze accompanying the flowing water. How effective is this when a slight breeze of say 3-5 mph is present?

  • Josh
    Josh – Special Guest
    5/23/2011 11:21 AM

    @Steven Chayer: Thank you for your question. It is true that wind can compromise Thermacell’s ability to saturate an area with repellency but we have generally found that any wind strong enough to disrupt Thermacell’s effectiveness is too strong for mosquitoes to navigate.

  • Laura
    Laura
    5/24/2011 5:13 PM

    Hello. Does it hurt if the mats happen to get wet; say if I left the lantern unit on the patio table during a rain storm?

  • Katherine
    Katherine – Grommet Team
    5/24/2011 5:26 PM

    @Laura Finch: I have sent a message to Josh for further information, but yes getting wet may diminish its effectiveness.

  • Josh
    Josh – Special Guest
    5/24/2011 5:45 PM

    @Laura Finch: Thermacell is not water proof and if the appliance gets wet it may still work after it dries out but it may also rust inside. The mats probably will not be effective if they get wet. It is possible they may work if once wet and allowed completely to dry but I think having a mat get wet may very well compromise its effectiveness.

  • dot schwartz
    dot schwartz
    5/28/2011 11:59 AM

    I tried to order your patio lantern but the message said that it is unavailable.

    when will it be available?

    thank you for a prompt reply.

  • Katherine
    Katherine – Grommet Team
    5/28/2011 5:32 PM

    @dot schwartz: Thank you for letting us know. You were receiving that message in error and you should be able to order it now.

  • Blake Pierman
    Blake Pierman
    6/1/2011 10:02 AM

    Hello, I recently purchased the lantern and 2 portable Thermacell units and was using 2 of the portables saturday night. They were on for 30/40 minutes and we were all sitting in close proximatey to each other and within 5 feet of the thermacell units, and noticed mosquitos were still flying into our area? It wasnt windy and I would check them frequently to make sure I could see the glow and that they were on, they were. Shouldnt one unit have worked let alone two. We were sitting on patio steps looking at our pool and the problem is, my two girls swell up and always seem to get eaten alive regardless of what I have tried. I was excited to see these and ran right out and bought 3 units but now I'm a little skeptical after last weekend? Any thoughts? Thank you.

  • Katherine
    Katherine – Grommet Team
    6/1/2011 10:15 AM

    @Blake Pierman: I have forwarded your experience on to Josh so that he can give us some insight.

  • Josh
    Josh – Special Guest
    6/1/2011 3:01 PM

    @Blake Pierman: I am sorry for your experience; may I ask if the mats turned from blue to white during use? This is how you can tell if Thermacell is operating correctly. Thermacell really does work and so if you had any trouble with mosquitoes while Thermacell was in use I am afraid you have a malfunctioning unit. It should be noted that wind can affect Thermacell’s efficacy but it should still provide protection even with some wind present. Thermacell works by saturating an area with repellency and so strong winds can minimize its effectiveness. Please contact me directly at [email protected] if you would like us to take a look at your appliances and repair or replace them as necessary. Let me know and we’ll make this right for you.

  • Katherine
    Katherine – Grommet Team
    6/1/2011 3:28 PM

    @Blake Pierman: You can also go through Daily Grommet's customer support team if you would prefer to have us facilitate the exchange.

  • Jerry
    Jerry
    8/15/2011 7:47 PM

    I received a portable unit for Father's Day last year and have only been able to get it to light once. I have followed the directions and tried everything else I could think of but it just won't light. It is terribly frustrating to sit there, getting bit by misquitos, trying to get the thing to light. I have gone through two cartridges. You can hear the butane flowing and occasionally get a little "poof" sound but it will not start up. Any help would be greatly appreciated. I'm ready to throw the thing away.

  • Katherine
    Katherine – Grommet Team
    8/15/2011 9:44 PM

    @Jerry: Josh will have some insight for you.

  • Josh
    Josh – Special Guest
    8/16/2011 2:13 PM

    @Jerry: Many times if you let the gas flow in the appliance for two minutes before igniting this will ‘clean out’ the unit and fix the problem. We certainly stand behind our products and I am happy to repair or replace any malfunctioning unit. I have sent Katherine further information to send to you in case you need to send the unit in for repair or replacement.

  • Hanna
    Hanna
    8/26/2011 9:36 AM

    @Jerry: I am having the same problem. It worked one time for me. The next time I grabbed the thermacell I noticed the on/off button was on and the cartridge was empty. Now it won't light with a new cartridge in. I can hear it click, but no light. I am going to try the 2 minute thing and see if that help. Otherwise I will have to return it.

  • Katherine
    Katherine – Grommet Team
    8/27/2011 8:57 AM

    @Hanna: Let us know if you get it to work!

  • Paul
    Paul
    9/24/2011 10:57 PM

    I purchased a Thermacell last year and it worked great. This year, I put a new bottle in it and headed for the woods. It will not light. I tried yet another new bottle and it still wouldnt light. Any suggestions?

  • Katherine
    Katherine – Grommet Team
    9/25/2011 10:07 AM

    @Paul: Have you tried letting the gas flow for a few minutes before starting to light it? Josh mentions that this commonly fixes problems experienced with the Thermacell units.

  • Kathy
    Kathy
    10/16/2011 11:05 AM

    I have a thermacell purchased last hunting season. It was hard to get it to light, the clicker would not work all the time. Now this season I can't even get it to click. I push the button, but nothing happens.

  • Katherine
    Katherine – Grommet Team
    10/16/2011 2:16 PM

    @Kathy: I have forwarded your question on to Josh who may have some insight into what you are experiencing.

  • Katherine
    Katherine – Grommet Team
    10/17/2011 3:17 PM

    @Kathy: I have spoken with Josh, and he reiterates the advice he has given previously: "Many times if you let the gas flow in the appliance for two minutes before igniting this will ‘clean out’ the unit and fix the problem. We certainly stand behind our products and I am happy to repair or replace any malfunctioning unit. I have sent Katherine further information to send to you in case you need to send the unit in for repair or replacement."

  • Kathy Self
    Kathy Self
    10/30/2011 8:55 PM

    @Katherine Klinger: The Clicker will not click. The butane has nothing to do with this. I need the clicker to work. Has not worked right since it was bought.

  • Katherine
    Katherine – Grommet Team
    10/30/2011 11:45 PM

    @Kathy Self: I have sent you a return form so that ThermaCELL can fix your unit. Please check your mailbox. We hope that you are back functioning soon.

  • Kathy
    Kathy
    3/27/2012 11:20 PM

    @Katherine Klinger: I have not received a return form for the thermocell. Will you please send to the e-mail address that I have posted.

  • Katherine
    Katherine – Grommet Team
    3/28/2012 12:17 PM

    @Kathy: No problem. I have just re-sent it to you.

  • john
    john
    10/29/2011 6:52 AM

    Alethrin is neurotoxic

  •  Ernesto Migoya
    Ernesto Migoya
    5/13/2012 9:23 PM

    I live in Houston, Texas I'm considering buying one of these products as the mosquitos and the no see ums are very bad this spring.

    Are they safe for pets as I have a dog that spends a lot of time in backyard?

    How long does one cartridge last?

  • Chew-Hoong
    Chew-Hoong – Grommet Team
    5/14/2012 3:38 PM

    @ Ernesto Migoya: Thank you for your interest. Each cartridge lasts 9-12 hours. The refill lasts up to 48 hours.

    In an earlier post by our Grommet partner, Josh Schawbel, he wrote:

    As to protecting your dog I can say that the ThermaCELL Mosquito Repellent is approved by the U.S. EPA (Environmental Protection Agency) and the E.P.A. of all 50 states, the as well as in 12 countries internationally. The EPA and other regulatory bodies evaluated it for safety and functionality as well as environmental impact. Skin toxicity, inhalation toxicity and oral toxicity were a part of the information reviewed by the EPA during the registration process.

    Our packaging does include the following warnings:

    "Harmful if inhaled. Avoid breathing vapors."

    "Do not contaminate food."

    These warnings were required by the EPA when they gave us their registration. The chemical that we use can be harmful if ingested or inhaled in extremely high concentrations. For that reason alone, the EPA requires these warnings on any product that uses this chemical, regardless of how little of it is actually used.

    Our toxicologist informs us that the toxicity is the same whether inhaled or ingested. She also stated that the No Observable Effect Limit (the highest dosage given in laboratory studies in which no significant health effects were observed) for mammals is 750 milligrams per kilogram of body weight. An average person weighs at least 50 kilograms so the dosage needed to cause health effects would exceed 37,500 milligrams. One of our mats contains 498 milligrams and it is released over a period of 3 to 4 hours. Any chemical that is ingested or inhaled is quickly broken down in mammals. It does not accumulate and become a body burden. We believe that our product presents no health hazard for use outdoors with adults, children (please do not let children play with the product) and pets.

    ThermaCELL commissioned a theoretical study (mathematical model) that showed that even if the unit were run in a windowless, small room for 8 hours straight, ThermaCELL would not pose an unreasonable risk to humans (Adults or Children) because the exposure level would be 2,000 to 3,000 times less than the No Observable Effect Level (NOEL) for Allethrin (the active ingredient.) In lab testing, the No Observable Effect Level is the highest dosage given to an animal that does not cause any significant health effects.

    The instructions and labeling on our packaging is mandated by the EPA which states that the product should be used 'on a flat, stable surface' and so I cannot recommend any use of Thermacell that runs counter to these instructions. Many customers do wear Thermacell while hiking or walking and have good results but I cannot recommend this type of use or attaching the appliance to your dog.

    If you would like me to send your The Material Safety Data Sheet on the repellent in Thermacell I will be happy to do so and you can show it to your veterinarian to double check things. You can e-mail me at [email protected] if you would like me to send this material.

  •  June
    June
    5/29/2012 8:52 PM

    We found Thermacell by accident and absolutely LOVE it ! I was skeptical but decided to try it & It does work as described keeping the mosquitos away without harmful chemical sprays on your skin, clothes or the air around you. And the light is a nice touch ! DG- Thank you for hilighting this product !

  •  nicholas kiraly
    nicholas kiraly
    8/30/2012 10:43 AM

    My camo therma cell will not ignite, i used it for a couple of months and removed the last fuel cartridge and stored it for a about 4 months and now it will not ignite. Is there a way to fix it or what could be the problem.

    I have three of the therma cells and purchased another two weeks ago.

    Thanks

    Nick

  •  James Myrick
    James Myrick
    11/4/2012 12:06 PM

    I own two ThermaCell's, They both do repel mosquito's, My only complaint is the the newer model on-off switch is spring loaded to the on postion. I have had it turn on twice while in the truck, of course i discovered it after the bottles were empty.

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