Best Water Treatment Brands

Discover the best water treatment brands. Compare 28 top manufacturers by price tier, product lines, and expert ratings.

28Brands

Featured Brands

3M

United States
premium

3M's Aqua-Pure line delivers commercial-grade water filtration for homes and businesses, featuring carbon block and reverse osmosis systems that reduce contaminants including lead, chlorine, and sediment. Their filtration technology draws on decades of industrial membrane science.

View 3M Water Treatment

AO Smith

United States
mid-range

Through its Aquasana brand and growing water treatment division, A. O. Smith offers whole-house filtration, reverse osmosis, and water softening systems for residential customers seeking clean, great-tasting water.

View AO Smith Water Treatment

APEC Water

United States
mid-range

APEC's premium reverse osmosis systems deliver bottled-quality water straight from the tap. Their Essence series and WFS-1000 are top sellers, featuring 5-stage filtration with long-lasting filters, quick-connect fittings, and lead-free designer faucets. All systems are designed, engineered, and assembled in the USA with premium components.

View APEC Water Water Treatment

Aquasana

United States
mid-range

Aquasana's proprietary Claryum multi-stage filtration technology powers their full lineup of whole-house filters, under-counter systems, countertop filters, and shower filters. Their systems are NSF-certified to remove up to 99% of lead and chlorine along with 77 other contaminants while retaining healthy minerals. Popular models include the OptimH2O reverse osmosis and the Rhino whole-house system.

View Aquasana Water Treatment

Brita

Germany
budget

Brita dominates the consumer water filtration market with their iconic pour-through pitchers, faucet-mount filters, dispensers, and filtered water bottles. Their Standard filters reduce chlorine taste and odor, while Longlast and Elite filters also reduce lead, asbestos, and other contaminants. Brita's Hub instant-filtration countertop system represents their latest innovation for on-demand filtered water.

View Brita Water Treatment

Clack

United States
mid-range

Clack manufactures the industry-standard WS1 and WS1.25 control valves used in water softeners and filtration systems worldwide. Their product line includes metered and timed control valves, brine valves, mineral tanks, and accessories that form the heart of most residential and light commercial water treatment systems.

View Clack Water Treatment

Culligan

United States
premium

Culligan offers a complete water treatment ecosystem: whole-home water softeners, reverse osmosis drinking water systems, whole-house filtration, bottled water delivery, and commercial/industrial treatment systems. Their local dealers provide free water testing, professional installation, ongoing maintenance, and salt delivery. The Aqua-Cleer and Aquasential product lines represent their latest residential offerings.

View Culligan Water Treatment

EcoWater

United States
premium

EcoWater manufactures whole-home water softeners, reverse osmosis drinking water systems, and whole-house filtration systems with Wi-Fi connectivity for remote monitoring via the EcoWater app. Their dealer network provides professional water testing, installation, and ongoing service throughout the system's life.

View EcoWater Water Treatment

Elkay

United States
mid-range

Elkay's ezH2O bottle filling stations and water coolers are installed in thousands of schools, airports, gyms, and public buildings. Their filtered water solutions reduce lead and other contaminants while encouraging reusable bottle use.

View Elkay Water Treatment

Fleck

United States
mid-range

Fleck manufactures water softener control valves that are the backbone of residential and commercial water softening systems worldwide. The Fleck 5600SXT is the best-selling residential softener valve, offering metered demand regeneration for efficient salt and water usage. Their lineup includes the 2510SXT, 2850, and 9100SXT twin-tank models for higher-capacity and commercial applications.

View Fleck Water Treatment

Frigidaire

United States
mid-range

Frigidaire manufactures replacement water filters for their refrigerator lines and standalone water filtration products, reducing common contaminants for cleaner drinking water.

View Frigidaire Water Treatment

GE

United States
mid-range

GE water filtration products include whole-house filtration systems, under-sink reverse osmosis systems, water softeners, and refrigerator replacement filters. Their GXWH and GXRM series provide affordable whole-house and point-of-use solutions with NSF-certified contaminant reduction.

View GE Water Treatment

Hague

United States
premium

Hague manufactures the WaterMax series of whole-house water treatment systems that combine water softening, iron/sulfur removal, and sediment filtration in a single patented multi-compartment tank. They also offer reverse osmosis drinking water systems and UV disinfection units. All products are professionally installed and serviced through authorized Hague dealers.

View Hague Water Treatment

Halsey Taylor

United States
mid-range

Halsey Taylor manufactures drinking fountains, water coolers, bottle filling stations, and combination fountain/filler units for commercial and institutional use. Their HydroBoost bottle filling stations with filtered water are widely specified in schools and public buildings. Products are ADA-compliant and available in wall-mount, bi-level, and freestanding configurations.

View Halsey Taylor Water Treatment

Home Master

United States
mid-range

Home Master manufactures advanced reverse osmosis drinking water systems with built-in remineralization (Artesian Full Contact technology) that adds calcium and magnesium back into purified water for better taste and balanced pH. Their modular filter design allows fast, mess-free filter changes without shutting off the water supply. They also offer whole-house water filtration systems for sediment, iron, and chemical reduction.

View Home Master Water Treatment

iSpring

United States
budget

iSpring manufactures affordable reverse osmosis drinking water systems, whole-house water filtration, under-sink filters, and water softeners. Their RCC7AK 6-stage RO with alkaline remineralization is a perennial Amazon best-seller. They also offer the WGB series of whole-house filters for sediment, chlorine, and iron reduction, plus the ED2000 electronic descaler as a salt-free water conditioning alternative.

View iSpring Water Treatment

Kenmore

United States
mid-range

Kenmore water softeners have been among the best-selling in America for decades. Models range from compact units for small households to high-capacity systems with smart features and demand-initiated regeneration for efficient salt usage.

View Kenmore Water Treatment

Kinetico

United States
premium

Kinetico manufactures non-electric, twin-tank water softeners, reverse osmosis drinking water systems, whole-house filtration, and commercial water treatment. Their Premier and Signature series softeners use kinetic energy from water flow to power regeneration — no electricity needed. The twin-tank design ensures one tank is always in service, providing uninterrupted soft water 24/7.

View Kinetico Water Treatment

Pelican Water

United States
premium

Pelican Water manufactures salt-free water softeners using NaturSoft TAC technology, whole-house carbon filtration systems, UV disinfection, and point-of-use drinking water filters. Their combo systems pair salt-free softening with carbon filtration for comprehensive whole-house treatment without salt, chemicals, or wastewater discharge.

View Pelican Water Water Treatment

Pentair

United States
mid-range

Pentair manufactures whole-house water softeners, filtration systems, reverse osmosis drinking water systems, UV disinfection, and commercial water treatment equipment. Their Fleck control valves are the industry standard for water softeners. The Everpure brand serves commercial foodservice filtration. Residential products include the FreshPoint under-sink RO and whole-house carbon filtration.

View Pentair Water Treatment

PUR

United States
budget

PUR manufactures faucet-mount water filters, pitcher filters, and replacement filter cartridges certified to reduce over 70 contaminants. Their MineralClear filter technology removes contaminants while retaining beneficial minerals. Faucet-mount systems install in minutes and provide filtered water on demand with a one-click bypass for unfiltered flow.

View PUR Water Treatment

SpringWell

United States
mid-range

SpringWell manufactures whole-house water filtration systems, salt-based and salt-free water softeners, reverse osmosis drinking water systems, and UV purification. Their CF series whole-house filter and FutureSoft salt-free softener are bestsellers.

View SpringWell Water Treatment

US Water Systems

United States
premium

US Water Systems designs whole-house water filtration, salt-based and salt-free water softeners, reverse osmosis drinking water systems, UV disinfection, and well water treatment systems. Their Matrixx infusion system and BodyGlove filtration are proprietary product lines.

View US Water Systems Water Treatment

Watts

United States
mid-range

Watts water quality solutions including whole-house filtration, under-sink systems, and UV disinfection for residential and commercial water treatment.

View Watts Water Treatment

Watts Premier

United States
mid-range

Watts Premier reverse osmosis drinking water systems, under-sink filtration, and replacement filters for residential water purification.

View Watts Premier Water Treatment

Whirlpool

United States
mid-range

Whirlpool whole-house water filtration, water softeners, and under-sink systems.

View Whirlpool Water Treatment