Best UV Water Purifiers

The Best UV Water Filter Systems

Best UV Water Disinfection Systems

UV water disinfection systems are highly effective at eliminating harmful microorganisms like bacteria, viruses, and parasites. Discover top-selling UV water disinfection systems for a variety of applications.

We give our top picks for UV water sterilizers for:

Best UV Systems for Well Water

the first recommended well water UV systemThe Viqua D4+ UV system provides peace of mind as it incorporates a UV sensor that constantly monitors to ensure that the proper dosage of UV light is treating the water entering your home. If the sensor registers there is an issue, it will sound an audible alarm to make you aware. This is especially valuable for wells that have tested positive for bacteria in the past. VIQUA D4+ UV systems inactivate common waterborne pathogens* including cryptosporidium, giardia, E. coli, legionella, norovirus, and hepatitis A virus.  This system also includes an LCD screen that makes the system very user-friendly. With flow rates of 12 gallons per minute, the D4+ is ideal for households with up to four bathrooms. The system has a 10-year warranty on the UV chamber, along with 3 years on electrical components and 1 year warranty on the lamp and sleeve.

Viqua D4+

Pros
✅ Includes full-color LCD display and UV sensor to monitor UV light dose
✅ Audible alarm warns when water is not being treated
✅ Full color LCD
✅ Can treat home with up to 4 bathrooms at 12 gallons per minute

Cons
❌ More expensive than other UV models
❌ Does not include pre-treatment often needed for well water
❌ Cannot treat during a power outage

the first recommended well water UV systemThe compact Viqua VH200, provides a cost-effective solution for obtaining a high-quality system with a robust warranty. It effectively treats all the water entering your home, safeguarding against potential issues in your well. This 9 GPM "point of entry" UV treatment system is well-suited for households with up to three bathrooms.

Viqua VH200

Pros
✅ Economical system with strong warranty
✅ Treats all water coming into home
✅ System inactivates common waterborne pathogens* including cryptosporidium, giardia, E. coli, legionella, norovirus, and hepatitis A virus.
✅ Annual UV lamp replacement is typically all that is required for system maintenance

Cons
❌ May not be suitable for larger homes
❌ More expensive than many UV systems
❌ Cannot treat during a power outage

the first recommended well water UV systemIf you're on well water and currently have no other filtration systems installed, the Viqua IHS22-D4 UV water purifier is the ideal solution. This system provides the necessary pre-treatment to keep the UV system working at peak performance, by reducing the opportunity for bacteria such as crypto-sporidium, giardia, E. coli, legionella, norovirus, and hepatitis A virus † to bypass the UV system untreated due to sediment in the water. Also, the integrated carbon filter will remove organics and improve overall taste and odor of the water.

Viqua IHS22-D4

Pros
✅Easy to install and maintain
✅ Treats 12 GPM or homes with up to 3 bathrooms
✅ Improved Taste - Prefilters reduce sediment, grit, rust, lead, & chlorine
✅ Cost effective - annual UV lamp replacement is typically all that is required for system maintenance

Cons
❌ May not be suitable for larger homes
❌ More expensive than some UV systems
❌ Cannot treat during a power outage

Best UV Single Faucet Systems

the first recommended well water UV systemThe Viqua VT1 works great as a companion to a reverse osmosis drinking water system if installed after the RO inline (going to RO faucet). This UV system provides added protection from bacteria and viruses, such as cryptosporidium, giardia, E. coli, legionella, norovirus, and hepatitis A virus † not provided by reverse osmosis system.

Viqua VT1

Pros of VT1
✅ Effective water treatment
✅ Easy to install
✅ Requires very little maintenance
✅ Great paired with under-sink RO
✅ Energy efficient
✅ Space saving design

Cons
❌ Low flow rates
❌ Does not improve taste and odor of water
❌ Needs electricity to operate
❌ Requires authentic VIQUA lamp

the first recommended well water UV systemThe Viqua VT4 is an effective UV water treatment system that is easy to install and use. Capable of treating up to 3.5 gallons of water per minute, ensuring that all cold water from the main faucet is bacteria and virus-free. Employing a high-output UV lamp, the VT4 efficiently protects against waterborne microorganisms, such as cryptosporidium, giardia, E. coli, legionella, norovirus, and hepatitis A virus †, making it a popular choice for both residential and commercial use.

Viqua VT4

Pros of VT4
✅ Higher flow rates
✅ Effective water treatment
✅ Easy to install
✅ Requires very little maintenance
✅ Energy efficient
✅ Environmentally friendly
✅ Outstanding warranty

Cons
❌ Initial cost
❌ Limited filtration
❌ Requires electricity
❌ Requires authentic VIQUA lamp
❌ Only works for certain water types

Best UV Systems for Whole House

the first recommended well water UV systemThe VIQUA IHS22-D4 is a comprehensive water treatment solution utilizing UV light to inactivate 99.99% of harmful microorganisms, including bacteria, viruses, such as crypto-sporidium, giardia, E. coli, legionella, norovirus, and hepatitis A virus † and other microorganisms in your water supply.

This 12 GPM whole-home UV treatment system works well for homes on city, well, or rainwater. The VIQUA IHS22-D4 is an integrated UV system which combines potent water treatment with effective pre-filtration, capable of removing chemicals, metals, sediment, and enhancing the overall taste and odor of your water.

Viqua IHS22-D4

Pros
✅Easy to install and maintain
✅ Treats 12 GPM or homes with up to 3 bathrooms
✅ Improved Taste - Prefilters reduce sediment, grit, rust, lead, & chlorine
✅ Cost effective - annual UV lamp replacement is typically all that is required for system maintenance

Cons
❌ May not be suitable for larger homes
❌ More expensive than some UV systems
❌ Cannot treat during a power outage

the first recommended well water UV systemThe VH200-F10 is a top-selling whole-house UV water filtration system designed for residential use. It encompasses a built-in 5-micron sediment prefilter. With flow rates up to 9 GPM, its best suited for homes with 1-3 bathrooms. Additionally, it incorporates a helpful end-of-life timer, providing an audible countdown for the replacement of the system's UV lamp.

Viqua VH200-F10

Pros
✅ Convenient - Filter housings and UV system preassembled and mounted on a heavy-duty, powder-coated steel bracket for small footprint
✅ Dependable - constant current feature ensures stable UV performance regardless of power fluctuations
✅ Heavy-duty - Ultraviolet chamber is made of Stainless Steel so reliable in different temperatures, pressure, and pH. Won't deteriorate from exposure to high-intensity UV light
✅ No Risk - 10-year warranty on UV chamber, 3 years on hardware and electrical, 1 year warranty on lamp, sensor and sleeve

Cons
❌ Basic controller not as user friendly as the Viqua D4 system
❌ Only good for up to 3 bathrooms
❌ Must operate with authentic Viqua lamp. Installing an inexpensive "knock-off" lamp can void the system warranty

Best UV Systems for Rainwater Catchment

The Viqua IHS22-D4 is an excellent option for anyone looking for an efficient and reliable water treatment system to filter harvested rainwater. This system is designed to make sure the collected water is ready for use by effectively removing contaminants and inactivating living microorganisms such as cryptosporidium, giardia, E. coli, legionella, norovirus, and hepatitis A virus † that may be present in the water. This compact, conveniently-designed system includes three stages of filtration to make sure your collected water is correctly treated and tastes great. The integrated sediment filter removes fine particulates, while the carbon filter removes organics and contaminants from the water, thus improving the taste and odor of the water. A simple plug-and-play solution for treating stored water.

Viqua IHS22-D4

Pros
✅Easy to install and maintain
✅ Treats 12 GPM or homes with up to 3 bathrooms
✅ Improved Taste - Prefilters reduce sediment, grit, rust, lead, & chlorine
✅ Cost effective - annual UV lamp replacement is typically all that is required for system maintenance

Cons
❌ May not be suitable for larger homes
❌ More expensive than some UV systems
❌ Cannot treat during a power outage

Best UV Systems for Restaurants

Incorporating a UV water disinfection system into a restaurant's water treatment plan can significantly enhance overall water quality and safety.

The following two systems ensure that the water used for food preparation and serving customers is free of harmful bacteria and viruses. UV sterilizers offer an additional layer of defense against these waterborne microorganisms, which is particularly crucial if the water source is compromised, such as during a boil water notice. In fact, a restaurant may be able to keep their doors open while others under the water notice will need to close until the notice/advisory is lifted.

Below, you'll find three UV water filtration systems that are excellent options for restaurant applications.

With its NSF 55 Class A certification for UV water treatment, the Viqua PRO10 is a top choice among restaurant owners. With flow rates of up to 10 gallons per minute, Viqua PRO10 UV treatment system is loaded with features, including high UV dosage, UV light monitoring, durable two-year lamp lifespan, and strong warranty. Additionally, there are similar systems available with capacities rated at 20 and 30 gallons per minute.

Viqua Pro10

Pros of Pro10
✅ NSF 55 Class A UV water certified system
✅ PRO serries available in maximum flow rates of 10, 20, or 30 gallons per minute
✅ UV sensor for ensuring proper UV dosage to water
✅ Higher UV dosage requirement of 40 mJ/cm2 over a standard UV system, resulting in longer UV contact time with water
✅ Flow meter monitors and restricts flow rates to system maximum
✅ Optional monitoring system available, that provides real-time feedback of system’s UV dosage, lamp hours, and alarm history. Information is recorded and downloadable to PC

Cons of Pro10
❌ Prefiltration stages not included
❌ Initial cost of system
❌ Will not work during power outages - electricity required

The Viqua PRO24-100 UV system is certified by the USEPA for a 2-Log reduction in viruses and adheres to rigorous standards. This makes it easy for restaurant proprietors to adhere to EPA Ground Water Rule and LT2 regulations in the United States, for flow rates of up to 24 gallons per minute. This high-dosage UV treatment system continuously monitors the UV light exposure of the water and logs this data for performance analysis.

Viqua Pro24-100

Pros of the Pro24-100
✅ USEPA 2-LOG Certified System
✅ Can treat up to 24 gallons per minutes
✅ UV sensor ensures proper UV dosage
✅ Very higher UV dosage requirement of 100 mJ/cm2, resulting in longer UV contact time with water
✅ Flow meter monitors and restricts flow rates to system maximum
✅ Monitoring system provides real-time feedback of system’s UV dosage, lamp hours, and alarm history (information is recorded and downloadable to PC)

Cons of the Pro24-100
❌ Prefiltration stages not included
❌ Cannot remove pesticides and other chemicals
❌ Cannot treat during a power outage

The Viqua PRO24-186 UV system is certified by the USEPA for a 4-Log reduction in viruses and adheres to rigorous standards. This makes it easy for restaurant proprietors to adhere to EPA Ground Water Rule and LT2 regulations in the United States, for flow rates of up to 24 gallons per minute. With its dual chamber design, this system continuously monitors the UV light exposure of the water and logs this data for performance analysis.

Viqua Pro24-186

Pros of the Pro24-186
✅ Can treat up to 24 gallons per minutes
✅ Extremely high UV dosage requirement of 186 mJ/cm2, resulting in longer UV contact time with water
✅ 3rd party validation for Adenovirus (4-log virus) that meets Ground Water Rule and LT2 regulation requirements in many states
✅ UV sensor ensures proper UV dosage
✅ Flow meter monitors and restricts flow rates to system maximum
✅ Monitoring system provides real-time feedback of system’s UV dosage, lamp hours, and alarm history (information is recorded and downloadable to PC)

Cons of the Pro24-186
❌ Prefiltration stages not included
❌ Cannot remove pesticides and other chemicals
❌ Cannot treat during a power outage

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