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10 Best UV Water Purifiers (2021 Reviews)

UV water filter systems is a purification system that uses UV rays (ultraviolet) from a UV bulb to kill the harmful bacteria from your water supply. They make sure that your drinking water is clean and safe to drink and can be very useful if you live in an area with a high amount of pathogens.

In this article, we will discuss the 10 Best UV Water Purifiers and how they can help you get the clean drinking water you need! 

In a hurry? Here’s the test winner after 10 hours of research:

Overview
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Title
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Price
$73.78
Rating
⭐⭐⭐⭐⭐
Overview
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Title
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Price
$73.78
Rating
⭐⭐⭐⭐⭐

10 Best UV Water Purifiers (2021 Reviews) – Overview

Here are the top 5 picks (keep scrolling for more details and picks 6-10).

Overview
Best Overall
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Viqua VH410 Home Stainless Steel UltraViolet Water Disinfection System - 34GPM 3/4 MNPT 120V
Aquasana Whole House Well Water Filter System - Water Softener Alternative w/ UV Purifier, Salt-Free Descaler, Gl,EQ-WELL-UV-PRO-AST,(Pack of 1, 4 Boxes Per Pack)
Title
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Viqua VH410 Ultraviolet Disinfection System
Aquasana Well Water Rhino w/ UV Filter
Price
$73.78
$668.00
$2,036.99
Rating
⭐⭐⭐⭐⭐
⭐⭐⭐⭐⭐
⭐⭐⭐⭐
Best Overall
Overview
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Title
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Price
$73.78
Rating
⭐⭐⭐⭐⭐
Overview
Viqua VH410 Home Stainless Steel UltraViolet Water Disinfection System - 34GPM 3/4 MNPT 120V
Title
Viqua VH410 Ultraviolet Disinfection System
Price
$668.00
Rating
⭐⭐⭐⭐⭐
Overview
Aquasana Whole House Well Water Filter System - Water Softener Alternative w/ UV Purifier, Salt-Free Descaler, Gl,EQ-WELL-UV-PRO-AST,(Pack of 1, 4 Boxes Per Pack)
Title
Aquasana Well Water Rhino w/ UV Filter
Price
$2,036.99
Rating
⭐⭐⭐⭐

Best Overall
1. SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier

Sale
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
  • UV light destroys germs' ability to reproduce and make you sick; The SteriPEN destroys over 99.9% of bacteria, viruses, and protozoa

The SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier can get rid of over 99.9% of bacteria, viruses, and protozoa. There are up to 50 treatments per charge and 300 charge-discharge cycles. This water purifier can get through 15,000 liters. There is an OLED (Organic Light Emitting Diode) display, and you can recharge it via your computer, outlet, or portable solar panel, meaning you will never have to buy or replace batteries again. This great product can deliver over 7 years of water purification.

Features of the SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier:

  • It destroys over 99.9% of bacteria, viruses, and protozoa
  • There are up to 50 treatments per charge and 300 charge-discharge cycles
  • It can get through 15,000 liters
  • It features a user-friendly, high-contrast OLED (Organic Light Emitting Diode) display
  • You can recharge it via your computer, outlet, or portable solar panel
  • You will never have to buy or replace batteries again
  • It can deliver over 7 years of water purification

2. Viqua VH410 Ultraviolet Disinfection System

Viqua VH410 Home Stainless Steel UltraViolet Water Disinfection System - 34GPM 3/4 MNPT 120V
  • ULTRAVIOLET DISINFECTION SYSTEM: The Viqua VH410 utlizes UltraViolet light to combat waterborne pathogens while adding nothing to the water except for UV light.

The Viqua VH410 Ultraviolet Disinfection System is a small system that can still be used with water flow rates of up to 18 GPM (gallons per minute). This water purification system is easy to install either vertically or horizontally and it can be used with both municipal water and well water. It does not remove particles or chemicals from your tap water but it can get rid of bacteria and cysts like E.Coli, salmonella, and giardia by targeting their DNA. As with the product above, it can be used for around 9,000 hours or one year. It comes with a lamp change reminder that will sound when it is time to purchase a new one and a digital countdown screen, which you can use to check up on the unit’s performance and schedule the purchase of a new lamp ahead of time.

Features of the Viqua VH410 Ultraviolet Disinfection System:

  • It can be used on water flow rates of up to 18 GPM
  • It is smaller in size
  • You can install it alone or with a water filter
  • It will not reduce particles or chemicals from water, like chlorine
  • There is no need to hire a plumber to assist you with the installation
  • You can do the installation either vertically or horizontally (vertical is recommended)
  • The package includes the lamp and the filter housing, as well as the bracket for wall mounting
  • It can be used for both city and well water
  • It can eliminate bacteria and cysts like E.Coli, salmonella, and giardia
  • It works by targeting the DNA of these microorganisms, killing them, and preventing them from being able to reproduce
  • You will need to replace it after roughly 9,000 hours of use (equal to approximately a year)
  • It comes with a lamp change reminder that will sound when it is time to purchase a new one
  • There is also a digital countdown screen, which you can use to check up on the unit’s performance and schedule the purchase of a new lamp ahead of time
  • Maintenance is minimal
  • You will need to clean scale and build-up from the lamp sleeve after every three months or so
  • It will last for beyond a decade with the right care
  • The Installation may be too complex for some people

3. Vitapur Ultraviolet Disinfection System

The Vitapur Ultraviolet Disinfection System can disinfect harmful microorganisms such as bacteria and viruses. This UV purification system is easy to use and features both audio and visual reminders for you to change the lamp (which you will have to do after 9,000 hours or one year) as well as audio and visual notifications for when the lamp fails. This product has also been certified to meet the requirements of NSF (National Science Foundation) International and ANSI (American National Standards Institute) 55 class B. This house UV water sterilizer can be used with well water. Installation with this product can get difficult, however, and some users have also experienced leaking with the system.

Features of the Vitapur Ultraviolet Disinfection System:

  • It has been tested and certified by NSF International to meet the requirements of NSF/ANSI 55 class B
  • It can remove microorganisms, including bacteria and some viruses
  • It is a simple-to-use system for cleaning your home’s water
  • There are both audible and visible reminders for the lamp change
  • There is also an audible and visible lamp failure indicator
  • It does not add chemicals to your water or change its composition in any way
  • The lifespan of the lamp is 9,000 hours or just over one year
  • The light is made from strong, durable glass
  • Installation can be a little tricky and the manufacturer recommends hiring a plumber for the job
  • It is suitable for use on well water
  • Some users have experienced leaking with the system

4. Aquasana Well Water Rhino w/ UV Filter

Aquasana Whole House Well Water Filter System - Water Softener Alternative w/ UV Purifier, Salt-Free Descaler, Gl,EQ-WELL-UV-PRO-AST,(Pack of 1, 4 Boxes Per Pack)
85 Reviews
Aquasana Whole House Well Water Filter System - Water Softener Alternative w/ UV Purifier, Salt-Free Descaler, Gl,EQ-WELL-UV-PRO-AST,(Pack of 1, 4 Boxes Per Pack)
  • Clean, Great Tasting Water From Every Tap In Your Home - Removes 97% of chlorine, 99. 9% of viruses and bacteria and reduces harmful contaminants like lead, mercury, herbicides, pesticides, VOCs, and...

The Aquasana Well Water Rhino w/ UV Filter is a whole house water filter with a sediment filter, copper-zinc for scale reduction, an activated carbon filter, and a post filter. There is a flow rate of 7 GPM (gallons per minute) and a 5-year warranty. This water filtration system can remove bacteria and viruses, heavy metals such as lead and mercury, and organic chemicals such as herbicides, pesticides and VOCs, and industrial solvents.

Features of the Aquasana Well Water Rhino w/ UV Filter:

  • It is a whole house water filter
  • It features a sediment filter
  • It features copper-zinc for scale reduction
  • There is a post filter
  • It features a flow rate of 7 GPM
  • There is a 5-year warranty
  • It removes pathogens such as bacteria and viruses
  • It removes heavy metals such as lead and mercury
  • It also removes organic chemicals such as herbicides, pesticides and VOCs, and industrial solvents
  • There is an activated carbon filter that removes finer particles and improves the pH balance

5. Aquasana AQ-4000W

Sale
Aquasana AQ-4000W Countertop Drinking Water Filter System, White
625 Reviews
Aquasana AQ-4000W Countertop Drinking Water Filter System, White
  • Removes over 97% of chlorine and reduces 76 other contaminants - NSF certified to remove lead, pharmaceuticals and more

The Aquasana AQ-4000W can remove over 97% of chlorine and reduces 76 other contaminants while retaining healthy minerals like calcium, potassium, and magnesium for the healthiest water. The best part is that it can be a faucet attached at home, without the use of a plumber. So you can go from unclean drinking water to clean drinking water in minutes with this wonderful water filter.

Features of the Aquasana AQ-4000w:

  • 40-90 degree Fahrenheit temperature range
  • 0.4 gallons per minute
  • Indoor use only
  • Plastic material

6. Pelican Water PUV-8

The Pelican Water PUV-8 works with 100 to 240 volts. There is a 10-year warranty UV chamber, a 5-year warranty against power supply defects, a 1-year warranty on the lamp. It is made fully of 304 stainless steel and it is fully certified to NSF (National Science Foundation) International and ANSI (American National Standards Institute) 55.

There is a 9 to 16 GPM (gallons per minute) flow rate. This UV water purifier can remove over 60 different contaminants including known pollutants like chloramine, chlorine, mercury, lead, VOCs, and cysts, and 99.9% of microorganisms that could cause sickness including giardia, cryptosporidium, and E.coli. There is an indicator light, a warning light. There is also only an annual cleaning and bulb replacement needed. The only downsides to this system are that it is sensitive to turbid and hard water and it can also be slightly expensive.

Features of the Pelican Water PUV-8:

  • There is a 9 to 16 GPM (gallons per minute) flow rate
  • It is made with 304 stainless steel
  • It works with 100 to 240V
  • There is a 10-year warranty UV chamber
  • There is a 5-year warranty against power supply defects
  • There is a 1-year warranty on the lamp
  • It is fully certified to NSF/ANSI 55
  • NSF/ANSI 55 deals specifically with ultraviolet treatment systems and this label prove that this system can be trusted to kill (or inactivate) viruses, bacteria, and cysts in contaminated water
  • It reduces over 60 different contaminants including known pollutants like chloramine, chlorine, mercury, lead, VOCs, and cysts
  • It is capable of penetrating and permanently altering the DNA of microorganisms through a process called thymine dimerization
  • It does not affect the color, odor, or taste of the water negatively
  • It features an indicator light that shows the system components’ status
  • There is a warning light that appears whenever maintenance to the system is necessary
  • There is only an annual cleaning and bulb replacement needed
  • For those with water high in iron and sulfur content, it is highly recommended to have this water treated before it reaches the UV stage
  • It is able to destroy 99.9% of microorganisms that could cause sickness including giardia, cryptosporidium, and E.coli
  • It is sensitive to turbid and hard water
  • It can be slightly expensive

7. HQUA-OWS-124 Ultraviolet Water Purifier Whole House Purification Sterilizer

HQUA-OWS-124 UV Water Purifier for Whole House, 12GPM 110V 40W Model + 2 Extra Lamp + 1 Extra Ballast + 1 Extra Quartz Sleeve
  • 40W 12GPM unit, 37.2*2.5 in stainless steel chamber, 3/4” (DH20, OD 1.05 inch, 26.67cm) MNPT inlet/outlet.

The HQUA-OWS-124 Ultraviolet Water Purifier Whole House Purification Sterilizer works with 120 volts and features a 12 (gallons per minute) flow rate and 9000-hour bulb life. It is made with 304 stainless steel. It is easy to install and maintain. Also, the manufacturer provides very good customer service.

Features of the HQUA-OWS-124 Ultraviolet Water Purifier Whole House Purification Sterilizer:

  • It features a 12 GPM (gallons per minute) flow rate
  • It works with 120 Volts
  • There is a 9000-hour bulb life
  • It is made with 304 stainless steel
  • It is easy to install
  • It is easy to maintain
  • The quartz sleeve should be cleaned every 6 to 12 months
  • The manufacturer provides excellent after-sales customer service

8. Bluonics Ultraviolet Light Water Purifier

Bluonics Ultraviolet Light UV Water Sterilizer Purifier Filter for Whole House Water Purification 12 GPM 55W 110V + 3/4" MNTP Inlet Outlet + 2 Extra Bulb + 1 Extra Ballast + 1 Extra Quartz Sleeve
  • POWERFUL & RELIABLE: 55W 110V Whole House Water Filter System. Large Home UltraViolet Light Water Sterilizer. Effective for both residential and commercial water purification. Can be used for...

The Bluonics Ultraviolet Light Water Purifier features a 12 GPM (gallons per minute) flow rate, is made with 304 stainless steel, and works with 120 volts. There is a 9000-hour (one year) bulb life. This UV system is easy to install and is very low maintenance. There is a light indicator that will tell you if the purifier is active or not. It is effective for both residential and commercial water purification and can also be used for well water.

Features of the Bluonics Ultraviolet Light Water Purifier:

  • There is a 12 GPM (gallons per minute) flow rate
  • It works with 120 Volts
  • There is a 9000-hour bulb life
  • It is made with 304 stainless steel
  • It includes the complete system with an extra ballast, 1 extra quartz tube, and 2 replacement bulbs
  • There are an easy installation and low maintenance
  • There is a light indicator on the ballast which alerts the owner if the purifier is active or not
  • It is effective for both residential and commercial water purification
  • It can also be used for well water

9. Viqua D4 Premium

Whole Home D4 Premium w/LCD Screen by Viqua
1 Reviews
Whole Home D4 Premium w/LCD Screen by Viqua
  • ULTRAVIOLET DISINFECTION SYSTEM: The Viqua D4 system utlizes UltraViolet light to combat waterborne pathogens while adding nothing to the water except for UV light.

The Viqua D4 Premium is a whole home UV water purifier. It is ideal for removing bacteria in residential homes that use well water.  It has a water flow rate of 12 GPM (gallons per minute) and it will not affect the water pressure in your home. It is a small and eco-friendly product. The lamp has a lifespan of 9,000 hours (or one full year) and it will not stop working even if your power cuts out.

Features of the Viqua D4 Premium:

  • It is a whole home UV water treatment system
  • It is primarily used for removing bacteria from water
  • It is ideal for residential homes using well water
  • It features a flow rate of up to 12 GPM
  • It will not affect the water pressure in your shower or other water-based appliances
  • It has a small, compact size
  • It has a smaller eco-footprint
  • The UV lamp will not die even when your power cuts out
  • It features a lamp life of 9,000 hours
  • It gives you over a year of use before it needs replacing
  • You install the system at your home’s point of entry
  • You need to fit the UV lamp inside the sleeve and attach the system directly to your water line
  • There is an interactive display screen that showcases all the information you need to know about the status of your UV filter
  • The screen also displays the company logo and contact information if you need to contact customer service for advice
  • Replacement parts come at a relatively low cost
  • You will need to clean the lamp housing

10. iSpring UVF11A

Sale
iSpring UVF11A UV Ultraviolet Light Water Filter with Smart Flow Control Switch 11W, 110V, 10-INCH
  • SMART & ECONOMICAL - Smart flow sensor switch turns the UV water filter under sink on and off automatically with water flow, saving power and lengthening the life of the UV lamp.

The iSpring UVF11A can remove 99% of all viruses, protozoan cysts, and bacteria and it can work with both well water and city water. It is eco-friendly and cost-effective and has an 8000-hour lifespan. There is a flow sensor that turns the 11 watt UV lamp on and off automatically. There is a flow rate of 1 GPM (gallons per minute) and it is a chemical-free way of cleaning water and ridding it of contaminants, as well as chloramine and chlorine. It can be installed under the sink. It is low maintenance, however, it is most useful as an add-on to an existing water filtration system.

Features of the iSpring UVF11A:

  • It works for both well water and municipal water
  • It is capable of killing 99% of all viruses, protozoan cysts, and bacteria
  • It features a unique flow sensor that is capable of turning the UV unit off and on automatically
  • It is a more eco-friendly and cost-effective solution
  • The 11 watt UV lamp comes in a durable stainless steel chamber
  • It has an 8000-hour lifespan
  • There is an overall water flow rate of 1.0 GPM
  • It is ideally installed under the kitchen sink
  • It is a chemical-free way to clean water
  • It will also remove chloramine and chlorine from the water
  • It features low maintenance
  • The mounting brackets may not fit under every sink
  • It is only useful as an add-on for an existing RO system (also called reverse osmosis systems), faucet, or under sink systems

Our Winner:

Overview
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Title
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Price
$73.78
Rating
⭐⭐⭐⭐⭐
Overview
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Title
SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier
Price
$73.78
Rating
⭐⭐⭐⭐⭐

The SteriPEN ULT-MP-EF SterPen Ultra UV Water Purifier gets rid of over 99.9% of bacteria, viruses, and protozoa. This is a fairly ground-breaking product. It can be recharged through your computer, your outlet, or your portable solar panel and you will never have to buy or replace batteries. This makes it so that this product can get through 15,000 liters, and it will last you for over a whopping seven years. There are also up to 50 treatments per charge and 300 charge-discharge cycles. It is a very technologically advanced product and the longest-lasting on this list. It is by far our absolute favorite.

Bonus tip: Check out this video of how UV light purification works.

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Joshua Perkins

Joshua spent ten years as a water systems technician in California before settling down with his wife and two young children in Nashville in 2018. Through all of his experience, he learned the benefits and shortfalls of so many different types of water filtration systems, from pitchers to whole-house installations. He started Water Filter Authority in 2019 to empower other families to make the right decision for their long-term health and wellness.