10 Best Strong Mosquito Repellent 2025 in the United States

The Thermacell Patio Shield E55 is an effective mosquito repellent designed to create a 20-foot protection zone. This innovative device takes just 15 minutes to provide maximum protection, making it ideal for use around patios, poolsides, and backyards. It runs on a rechargeable battery that lasts for 5.5 hours, which adds to its convenience and portability. The product comes with a 12-hour repellent refill and a USB charging cable, ensuring you have everything you need to get started right away.

One of the key strengths of the Thermacell E55 is that it repels mosquitoes without the need for DEET sprays or lotions, making it a cleaner and more convenient alternative. Additionally, it has been independently tested and approved by the EPA for safety and effectiveness, which provides assurance in its reliability. The repellent is free of scent, smoke, and flames, making it comfortable to use and suitable for people with skin sensitivities.

However, there are some drawbacks to consider. The protection zone is limited to 20 feet, which may not be sufficient for larger outdoor areas. The battery life, while decent, may require frequent recharging during extended use. Additionally, the initial purchase includes only one 12-hour refill, so additional refills will be necessary soon if used frequently. Despite these minor issues, the Thermacell Patio Shield E55 is a solid choice for those seeking a portable and effective mosquito repellent for small to medium-sized outdoor spaces.

The Thermacell Mosquito Portable Repeller offers an effective way to keep mosquitoes away without applying sprays or lotions on your skin. It creates a mosquito-free zone of about 15 feet, which is great for outdoor activities like camping, backyard gatherings, or fishing. The device works quickly, reaching full protection within 15 minutes, and uses a small fuel cartridge to power its scent-free repellent mats. Each mat lasts up to 4 hours, and the included refill cartridge supports around 12 hours of use.

Unlike traditional bug sprays, this product is DEET-free and doesn’t use chemicals directly on your skin, making it suitable for people and pets who might be sensitive. It’s also easy to use and portable, with no smoke or flame involved. On the downside, the protection zone is limited to about 15 feet, which might not cover larger areas. Also, being an outdoor-only device means it’s not intended for indoor use.

While the repellent mats need replacing every few hours, the package includes some spares and refills. For those looking for a safe, smell-free alternative to sprays that keeps mosquitoes at a reasonable distance, this Thermacell model provides a convenient and reliable choice.

The Repel 100 Insect Repellent is a robust choice for those needing strong protection against mosquitoes and other biting insects. With an active ingredient concentration of 98.11% DEET, it's formulated for severe insect conditions, making it extremely effective in highly infested areas. The high DEET concentration ensures long-lasting protection, providing up to 10 hours of defense against mosquitoes, ticks, gnats, biting flies, chiggers, and fleas, which is excellent for outdoor activities and adventures.

The product comes in a convenient 1-ounce travel-size pump spray, perfect for easy storage and portability. Being unscented is a plus for those sensitive to strong smells. Its high DEET concentration might not be suitable for those with sensitive skin, and it can be harsh if not applied correctly.

For those who prioritize long-lasting and powerful insect repellent, especially in areas with a high risk of insect-borne diseases, this product is a solid option. However, users should be cautious regarding potential skin sensitivity and follow application instructions to avoid any adverse effects.