5 Best Commercial Water Softeners (Tested & Ranked for 2026)
We tested and compared the top commercial water softeners for businesses, large households, and high-demand applications. These are the best picks for every need and budget.
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Quick Comparison
| PRODUCT | RATING | CAPACITY | BEST FOR | FLOW RATE | |
|---|---|---|---|---|---|
| Fleck 5600SXT | ★★★★★ 9.6 | 48,000 gr | Overall Best | 12 GPM | See Best Price → |
| Pentair WS48 | ★★★★★ 9.4 | 48,000 gr | Smart Features | 12 GPM | See Best Price → |
| Whirlpool Pro | ★★★★☆ 9.0 | 31,000 gr | Medium Business | 8 GPM | See Best Price → |
| DuraWater 64K | ★★★★☆ 8.8 | 64,000 gr | High Capacity | 10 GPM | See Best Price → |
| AFWFilters 64K | ★★★★☆ 8.6 | 64,000 gr | Compact Design | 10 GPM | See Best Price → |
What to Know Before Buying a Commercial Water Softener
1. Where to Buy a Commercial Water Softener
The largest variety of models can be found on ecommerce websites like Amazon. However, you can also shop for commercial water softeners at the manufacturer’s official website. In the event you don’t wish to purchase a water softener system for industrial use on the internet, you can visit your local household appliances store and ask for commercial water softener systems.
2. Commercial Water Softener Prices
Commercial water softener prices vary based on the materials used in manufacturing the units, capacity, type of water softening system, specialized technical features, etc. The typical price range of an commercial water softener system is anywhere between $300 and $3000.
3. Commercial Water Softener Capacity
Commercial water softener systems have high capacities that allow them to filter and process water for big households comprised of 2 or more individuals. A high capacity is also necessary for water softeners that are used in farming and manufacturing processes.
3. Extra Features
It’s common for water softeners used in commercial applications to have additional features that improve user-friendliness and efficiency. For instance, certain models come with multi-stage filtration systems that undertake numerous functions such as removing contaminants, reducing odor, retaining minerals and many others.
4. Certificates and Warranties
Commercial water softeners should come with long warranties that guarantee the units’ durability, longevity and reliability. On top of this, high-quality commercial water softeners should be made from materials that have passed various safety and health checks, and received the relevant certifications.
#1 Fleck 5600SXT — Best Overall Commercial Water Softener
System Capacity
This system has a capacity to remove 48,000 grains of hardness. This is ideal for a household of about 6 individuals. It has an average flow rate of 12 gallons per minutes and a max flow rate of 28 gallons per minute.
High Capacity Resin Mineral Tank
It employs a salt-based water softening system. It has a 1.5 cubic feet mineral tank that is cross-linked with high capacity resin that mixes with hard ions like magnesium and calcium in water. The hard ions are replaced by salt ions found in the resin.
Process of Regeneration
The resin is completely used up after removing approximately 48,000 grains of hardness. Once used up, the regeneration process begins and the salt from the 2nd tank is transferred to the mineral tank where the resin is recharged by the salt.
Control Valve
This unit also comes with another amazing feature which is a dedicated metered control valve that measures the quantity of water that goes through the mineral tank. The valve includes a microprocessor that calculates the quantity of water that has been processed and automatically triggers the regeneration process. The control valve used a paddle wheel meter.
Dimensions and Warranty
The units include a 1” males threaded yoke link. The mineral tank is 54” high and 10” wide, while the brine tank is 34” high and 14” long. The brine tank includes a safety float.
Both tanks come with a 10 year warranty.
Why We Recommend the Fleck 5600SXT: See Latest Deals →
– high capacity 8% cross-link resin
– 10 year warranty
– metered control valve with microprocessor
– 12 gallons per minute flow rate
– 48,000 grains filtration capacity
#2 Pentair WS48-56sxt10 — Best Smart Commercial Water Softener
High Capacity Unit
This unit comes with 1.5 cubic feet of resin. It’s 10% cross-link so it offers a higher capacity and is also chlorine resistant. This model eliminates 48,000 grains of hardness from water.
Internal Power Backup and User-Friendly LCD
This water softener is salt based and comes with a brine and resin tank with safety float that prevents overfilling. The unit works by replacing hard ions in water with salt ions. The control valve comes with a 48-hour internal power back and a back-lit LCD display.
Metered Controlled Regeneration
This unit makes use of a meter based regeneration system. The system includes control valve that has a microprocessor and meter that regulate the regeneration. The meter tracks the quantity of water being processed. The microprocessor uses the information collected by the meter to automatically start and stop the regeneration process.
Energy Saving Softening
This model has an excellent energy efficiency rating because it only regenerates when necessary. If you are not at home, the regeneration process will not initiate. The brine tank holds approximately 250 pounds of salt.
Warranty and Package Content
Both mineral and brine tanks are made from durable and high-quality poly-glass material. These tanks have a 10 year warranty. The control valve has a 5 year warranty. The unit comes with an installation kit that includes 1” male connections and a bypass valve.
Why We Recommend the Pentair WS48-56sxt10: See Latest Deals →
– smart back lit LCD display
– 48-hour internal power backup
– meter triggered regeneration
– Long warranties
– 10% cross-linked resin
#3 Whirlpool WHESFC Pro Series — Best for Medium Businesses
System Capacity
This model has a 31,000 grain capacity which is not very high compared to the units mentioned above. It’s ideal for a small to medium household of not more than 4 people.
Salt-Based Water Softening
This unit uses a salt-based water softening system that allows salt ions to attach to hard ions in water. The resin in this unit is regenerated using the salt that is derived from the brine tank.
Smart Technology Minimizes Use of Water and Salt
This particular unit comes with smart technology features for improved functionality and efficiency. A microprocessor and meter are smartly integrated into the control valve to allow the regeneration process to initiate based on the amount of water processed and hardness level of the water. This helps to save energy, salt and water.
User-Friendly Features
This water softener comes with a low-salt indicator lights that alerts you when you need to add more salt into the system. Both the brine and mineral tanks are housed inside the exterior cabinet which is both durable and compact.
Warranty, Iron Removal and Dimensions
All components in this unit are NSF certified. All parts are covered by the 1 year warranty. Tanks have a 10 year warranty while electronic parts have a 3 year warranty. The system also has a ferrous iron removal of 8 ppm. The unit weighs 112 pound and measures 48” high, 18” wide and 19” long.
Why We Recommend the Whirlpool WHESFC Pro Series: See Latest Deals →
– 10 year warranty for all tanks
– 8 ppm iron removal efficiency
– smart technology features for regeneration
#4 DuraWater 64K — Best High-Capacity Commercial Water Softener
System Capacity
This model has a capacity of 64,000 grains which is pretty huge. This unit can soften water for a large household of up to 6 individuals. It’s excellent for removing hardness from well and city water.
10% Cross-Link Resin
This is a salt-based unit. This means that water is softened through replacement of hard ions with salt ions. The mineral tank has a 10% cross-link resin that is chlorine resistant, durable, efficient and highly effective at softening various kinds of hard water.
Metered Control Valve
The control valve on this unit is metered and therefore tracks the quantity of water being processed in order to initiate regeneration. Once a certain quantity of water has been process, the brine tank is triggered to release salt into the mineral tank for regeneration.
Mineral and Brine Tank Dimensions
The mineral tank is made from fiberglass and it measure 48” high and 12” long. The brine tank has a capacity of 250 pounds and measures 34” high and 14” long. The brine tank comes with a safety float that prevents overfilling.
Installation and Flow Rate
This model has a flow rate 12 gallons per minute. The unit comes with a bypass valve and a 1” male threaded connection. An installation kit is also included in the product package. Installation is easy and only takes 1 to 2 hours to complete.
Why We Recommend the DuraWater Mechanical Fleck 5600: See Latest Deals →
– 10% cross-link resin
– large system capacity of 64,000 grains
#5 AFWFilters 64K — Best Compact Commercial Water Softener
Structure of the Unit
This structure of this unit features a brine tank and mineral tank with a control valve that are housed inside an exterior cabinet. The mineral tank is made from poly glass which makes it very durable. The brine tank has a safety float that prevents overfilling.
Paddle Wheel Meter
The meter is 12” long, 12” wide and 48” high. It weighs 53 pounds. This unit is extremely compact and lightweight when compared to other models. It is easy to carry and install. The control valve employs a paddle wheel meter to measure the quantity of water that has been processed.
Innovative and User Friendly Control Panel
The control valve in this unit comes with a bright LCD display that shows the status of the system as well as other important information. The touch pad control panel is both informative, easy to use and offers a lot of customization settings for users. Regeneration is only initiated when needed based on the amount of salt and water consumed.
Quality of Resin and System Capacity
This unit also comes with a 64,000 grains capacity. This means that it is suitable for large households of not more than 6 individuals. The mineral tank has an efficient and durable 8% cross-link resin.
Warranty and Package Content
The package include a 1” yoke male threaded connection and a bypass valve that allows easy in/out connection. The control valve has a 5 year warranty. The mineral and brine tank have a 10 year warranty.
Why We Recommend The AFWFilters 64000 Grains Water Softener: See Latest Deals →
– compact and lightweight design
– smart LCD display
– 10 year warranty for tanks
– 8% cross-link resin
– Large system capacity of 64,000 grains
Commercial Water Softener Installation
The installation process differs depending on the type of water softener system. For the salt-based water softener system, it is important to connect it to the water source via plumbing fixtures as indicated in the user manual. The electric and magnetic water softener systems only require the unit to be connected to the main water source.
Commercial Water Softener Companies Near Me
The water softener companies that have been mentioned in this article are Whirlpool, Pentair, and Fleck. However, there are several other companies that manufacture top-quality commercial water softeners such as Kinetico and Culligan.
Commercial Water Softener Sizing
Sizing refers to the measurement of the grains of water that the softener system can remove per day. In order to find out the number of grains that the softener unit needs to remove per day, it is important to multiply the number of people in your household by 70. This is because this is the average amount of water that each person in your household consumes per day.
Which Commercial Water Softener Is Right for You?
In conclusion, the Fleck commercial water softener system and the Pentair commercial water softener system are the best options in the market because they offer the most value for money. The first unit offers the best quality and long-lasting 10% cross-linked resin and has the highest capacity. The second unit may not have the highest capacity but it is made of top-quality materials and has the features of smart water and salt saving and ferrous iron removal.
Since we have concentrated our discussion on the salt-based system, I think it is important to recommend this review on salt-less water softener systems. If you are interested in knowing more about the products that have been mentioned in this article, I recommend that you read this article on top-rated water softeners. If you are interested in knowing more about the 2 in 1 water softener and filtration system, I recommend that you read this review on whole house water filtration and softening systems.