10 Best Ant Killer Indoors 2025 in the United States

The TERRO T300B Indoor Liquid Ant Killer is a fast-acting solution designed to reduce ant activity within days. Utilizing 12 bait stations, it employs borax as the active ingredient, which is effective in attracting and eliminating common household ants, including those hidden in colonies that aren't immediately visible. This product's ease of use stands out, as it requires no setup—simply place the bait stations where ant activity is observed, such as along baseboards or on counters. This makes it a versatile option for various spots in the home.

The Ortho Home Defense Insect Killer for Indoor & Perimeter2 stands out as a versatile insect killer that targets a wide range of pests including ants, cockroaches, spiders, fleas, and ticks. Its primary strength lies in its ease of use, thanks to the Comfort Wand which eliminates hand fatigue and requires no pumping. This makes it particularly user-friendly for those who might struggle with traditional spray bottles. In terms of effectiveness, it not only kills insects but also creates a barrier that can prevent new infestations for up to 12 months on non-porous indoor surfaces, which is a significant advantage for long-term pest control.

Wondercide Indoor Pest Control Spray is a versatile solution for tackling a wide range of household pests, including ants. It's designed to both kill and repel, making it suitable as a preventative measure and an active treatment. The spray uses natural essential oils, particularly peppermint, as its active ingredient, providing a plant-powered alternative to conventional chemical solutions. This makes it a safer choice for homes with pets and families, as it does not contain artificial colors, fragrances, or harsh chemicals.