10 Best Water Distiller For Humidifier 2026 in the United States

The VIVOHOME Water Distiller Countertop is designed to efficiently provide distilled water, making it suitable for use with humidifiers in homes or offices. With a capacity of 1.6 gallons and a 900W power rating, it can distill 1.3 liters of water per hour, which is fairly rapid. Made from food-grade 304 stainless steel and BPA-free plastic, the material quality ensures durability and safety. The inclusion of an extra smart switch and overheat protection adds to the convenience and safety of the device.

The requirement to frequently replace the charcoal filter may be seen as a drawback, especially since the filters are not included. The machine is relatively portable with dimensions of 18 x 10.6 x 8.7 inches and a weight of 11.2 pounds, making it easy to move and store. Maintenance involves regular cleaning after every two uses and replacing charcoal filters weekly, which may be cumbersome for some users. The device is certified for safety, making it suitable for a wide range of applications, including laboratories and dental clinics, aside from home and office use.

The VIVOHOME distiller offers a balance of efficiency, safety, and portability, though the frequent maintenance requirements and absence of included charcoal filters may be points to consider.

The H2o Labs Best-in-Class Countertop Water Distiller (Model 300SS) is designed for those in need of pure distilled water, particularly for use in humidifiers. One of its notable strengths is its stainless steel construction, including the exterior, evaporator, and condensing coil, ensuring durability and a high-quality build. The 1-gallon glass carafe with an ergonomic handle adds to its user-friendliness. With a maximum flow rate of 4 liters per day, it effectively meets the needs for small to medium-scale water distillation.

The 565-watt heating element is optimized to produce gentle steam, enhancing the efficiency of VOC removal without causing splashes. Additionally, the porcelain nozzle insert ensures that distilled water doesn’t come into contact with plastic, maintaining water purity. Safety features like the auto shut-off and fail-safe fuse add layers of protection, making it a reliable option. Maintenance is relatively easy with the wide opening of the evaporation chamber and the included cleaning supplies, which are particularly useful for users with hard water.

Despite its effectiveness, the 300SS model is somewhat bulky at 8”L x 8”W x 15”H and weighs 13.15 pounds, which might be a consideration for those with limited countertop space. Noise level isn't specifically highlighted, but most water distillers tend to produce minimal noise. Users also appreciate the ease of use, with a simple setup process and convenient countertop installation. One potential downside is its slower distillation speed compared to some high-end models. However, for most household needs, its performance and quality make it a strong contender.

The CO-Z 6L Water Distiller is a solid choice for anyone looking to purify water in their home, particularly for use in humidifiers, cooking, or drinking. With a capacity of 1.6 gallons and a distillation speed of about 0.34 gallons per hour, it stands out for its ability to produce a decent amount of distilled water without needing constant refills. This feature makes it user-friendly, especially for families or individuals who require water for multiple uses.

One of the notable strengths of this distiller is its quality construction. Made with food-safe stainless steel and plastic, it ensures that the water remains safe for consumption. Additionally, the powerful ventilation fan aids in cooling down the unit, enhancing its performance during operation. The product also includes a chamber cleaner, which simplifies maintenance, a crucial factor for keeping the distillation process efficient and hygienic.

However, there are some drawbacks to consider. The distillation speed, while reasonable, may not be sufficient for larger households or those who need high volumes of distilled water quickly. Additionally, at 12.5 pounds, it might not be the most portable option for those looking to move it around frequently. The noise level during operation could also be a concern for users who prefer quieter appliances.

In terms of size, its dimensions make it a countertop appliance, which is convenient for home use but might take up a significant amount of space in smaller kitchens. The CO-Z 6L Water Distiller is a practical choice for individuals who prioritize ease of use and maintenance in their water distillation needs, though those needing rapid water output or a more compact unit may want to explore other options.