10 Best Spider Repellents 2026 in the United States

The Ortho Home Defense Insect Killer is a spray designed to control a variety of common household pests, including spiders, ants, cockroaches, and more. Its active ingredients, bifenthrin and zeta-cypermethrin, are known for effectively killing and repelling insects. This product offers a long-lasting barrier—up to 12 months—when applied on indoor non-porous surfaces and outdoor perimeters like foundations and patios. This makes it a good choice if you want extended protection without frequent reapplication.

The spray comes in a large 1.1-gallon size (two containers included) and features battery-powered comfort wands for easier application, which helps reach tricky corners and reduces mess. It's suitable for use both inside your home (kitchens, bathrooms) and outside around entry points where spiders and other insects might enter. Since it's a chemical spray, it’s important to follow safety instructions carefully, especially around children and pets. Some users might find the weight and size a bit bulky, but the comfort wand helps with handling.

If you want a spider repellent that also covers a wide range of insects and offers long-lasting results, this product fits well. It is effective but not a natural or chemical-free option, which could be a downside if you prefer eco-friendly products.

The Ortho Home Defense Max Indoor Insect Barrier is a liquid spray designed to kill and repel various insects including spiders, ants, roaches, fleas, and ticks. It uses active ingredients effective on nonporous indoor surfaces and creates a protective barrier around your home, covering areas such as kitchens, bathrooms, basements, doors, and windows. Its long-lasting effect provides protection for up to 365 days against ants, roaches, and spiders, reducing the need for frequent applications.

The 1.5-liter aerosol comes with a battery-powered sprayer that allows for easy, one-handed use without bending or pumping, offering convenience for most users. Although it is strong against many common pests, it is primarily designed for indoor use on hard surfaces and may require more frequent reapplication on porous or outdoor materials. Using the product as directed and keeping it out of reach of children and pets is essential for safety.

This product serves well as a multi-insect killer and repellent with a year-long effect and easy application. It is suitable for homeowners looking for an effective solution to keep spiders and other bugs away inside the house, while those seeking natural or non-chemical options might prefer alternatives.

The Hot Shot Pest Control Fogger is a spray-type insecticide designed to kill spiders and other insects on contact by releasing a fine mist that penetrates into cracks and hidden spaces. It uses active ingredients Tetramethrin and Cypermethrin, which are common and effective for pest control but should be handled carefully due to their chemical nature. Each can covers a large space of up to 2,000 cubic feet, making it suitable for treating rooms, garages, basements, and similar enclosed areas.

The fogger continues to kill pests for up to two months after application, offering lasting protection against infestations. Its clear, non-staining formula avoids messy residue, which is a plus for ease of use indoors. However, because it is a fogger, it requires vacating the treated area during application and proper ventilation afterward, which might not be convenient for all users. Safety-wise, it meets USDA specifications but involves chemicals that should be used with caution, especially around pets and children.

This product is best suited for people dealing with moderate to heavy indoor infestations who want a powerful and long-lasting solution rather than simple spider repellents. It may be less ideal for those seeking natural or non-chemical options or quick, small-scale treatments.