10 Best No Smell Litter Box 2026 in the United States

The Litter-Robot 4 Supply Bundle by Whisker is a medium-sized, automatic cat litter box designed to minimize odor and reduce maintenance for cat owners. Its plastic material is durable and easy to wipe clean, supported by included cleaner wipes and liners, making upkeep straightforward. The standout feature is its self-cleaning system that sifts waste into a sealed drawer, which helps limit smells significantly compared to traditional litter boxes. Additional OdorTrap refills and carbon filters work together to further control unpleasant odors and reduce litter tracking around the house.

The unit is relatively large and weighs 24 pounds, so it needs a stable, firm surface for best performance and is best suited for indoor use. It supports up to four cats, each weighing at least 3 pounds, making it a good fit for multi-cat households. Entry is designed for easy access, and the modern black design is sleek enough to blend into most home settings. Users can also monitor litter levels, waste, and even their cat’s weight via a smartphone app, adding a convenient tech touch.

Though the initial cost might be higher than a standard litter box, it includes extras like liners, wipes, and filters to get started. Some users may find the size a bit bulky for smaller spaces, and it requires power to operate. For those looking to avoid daily scooping and reduce litter box odors effectively, this product provides a smart, hands-off experience with solid odor control and easy cleaning features.

The PetSafe Legacy ScoopFree Crystal Pro is a self-cleaning litter box designed to reduce odors and simplify maintenance. Its size (about 27.6 x 19.1 x 16 inches) is suitable for most cats and fits comfortably indoors. Made from durable plastic, it includes disposable trays filled with crystal litter that effectively absorbs moisture and dehydrates waste, helping to control smells better than traditional clumping litters. The front-entry design with motion sensors automatically scoops out waste, which means less frequent manual cleaning and a generally fresher environment.

One standout feature is the integrated health counter that tracks your cat’s litter box visits, which can be helpful to notice any changes in habits. However, the reliance on disposable trays means ongoing costs, and the crystals may not appeal to every cat’s preference compared to regular clumping litter. The box’s design is practical but somewhat bulky, and while the crystals reduce tracking, some cats might still scatter litter outside the box.

Cleaning is easier since you just replace the entire tray, but if you prefer reusable litter, this system might not be ideal. This product suits cat owners looking for a low-odor, low-effort litter solution with added health monitoring, though it may not be the best choice for those wanting a fully reusable or smaller footprint box.

The Fumoi Self Cleaning Litter Box is a spacious, automated solution designed for cat owners with one or multiple cats. With a 95L capacity, it is suitable for cats ranging from 2.2 to 33 pounds, making it versatile for various feline families. The unit operates quietly, ensuring a peaceful environment for both you and your pets. One of its standout features is the advanced safety sensors that pause cleaning when your cat is nearby, prioritizing your pet's safety.

The litter box is constructed from durable materials like Polypropylene (PP) and Acrylonitrile Butadiene Styrene (ABS), offering longevity and robustness. Its modern and sleek design in grey fits well into contemporary home aesthetics. Odor control is robust, thanks to the deodorizing design which prevents leakage and keeps your living space fresh. Cleaning is made easy with a detachable waterproof liner, and the included 2 rolls of garbage bags simplify waste management.

The smart app control, compatible with 2.4G Wi-Fi, allows remote management of the litter box, including auto-cleaning and health tracking. This feature is particularly beneficial for tech-savvy owners who appreciate remote monitoring. However, the device is relatively heavy (30.6 pounds) and requires a stable Wi-Fi connection to make the most of its smart features. It might also be on the bulkier side for small living spaces given its dimensions of 21.6 x 19.6 x 25.8 inches. Despite these minor drawbacks, the Fumoi Self Cleaning Litter Box is an excellent choice for those looking for a large, automated, and efficient solution to cat litter management.