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Water treatment & purification system installers and replacers in Duluth

Avatar for Range Water Conditioning
Range Water Conditioning
1520 Northwest 3rd Avenue
4.89(
66
)
Approved Pro
Range Water Conditioning
1520 Northwest 3rd Avenue
4.89(
66
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
56 years of experience

For 50 years, Range Water Conditioning has been helping to improve the quality of life in the central and northern Minnesota area. We are locally owned and operated, and our professionals are always prompt, clean and friendly every step of the way. Call us today for a free estimate!

"We did not select their services but they were great to work with. They just didn’t have the right options for our needs."

Amy N on April 2023

For 50 years, Range Water Conditioning has been helping to improve the quality of life in the central and northern Minnesota area. We are locally owned and operated, and our professionals are always prompt, clean and friendly every step of the way. Call us today for a free estimate!

"We did not select their services but they were great to work with. They just didn’t have the right options for our needs."

Amy N on April 2023


Avatar for Range Water Conditioning, Your 3M Water Dealer
Range Water Conditioning, Your 3M Water Dealer
1520 NW 3rd Ave
4.83(
18
)
Approved Pro
Range Water Conditioning, Your 3M Water Dealer
1520 NW 3rd Ave
4.83(
18
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
44 local quotes requested

Range Water Conditioning - 3M Authorized Water Dealer was founded in 1969 and to this day offers expert, customized water solutions for residential and commercial buildings in central and northern Minnesota and northwest Wisconsin. The 3M Authorized Water Dealer ensures water systems are properly installed and if needed, are promptly and professionally serviced. For ideal results, Range Water Conditioning tests water and offers unique solutions with guaranteed satisfaction. The staff strives to provide superior service along with top-notch products including water softeners, water filtration systems and more.

"They did a great job and thought outside the box to get it installed where I wanted."

Jessi M on January 2024

Range Water Conditioning - 3M Authorized Water Dealer was founded in 1969 and to this day offers expert, customized water solutions for residential and commercial buildings in central and northern Minnesota and northwest Wisconsin. The 3M Authorized Water Dealer ensures water systems are properly installed and if needed, are promptly and professionally serviced. For ideal results, Range Water Conditioning tests water and offers unique solutions with guaranteed satisfaction. The staff strives to provide superior service along with top-notch products including water softeners, water filtration systems and more.

"They did a great job and thought outside the box to get it installed where I wanted."

Jessi M on January 2024


DrinkFromTheRock.com
7181 Eagles Perch Dr
No reviews
DrinkFromTheRock.com
7181 Eagles Perch Dr
No reviews
13 years of experience

We specialize in providing quality services to our customers. We offer complete water filtration systems to residential and commercial customers. Our products are cost effective reliable.

We specialize in providing quality services to our customers. We offer complete water filtration systems to residential and commercial customers. Our products are cost effective reliable.


Northern Pro Pressure Washing
No reviews
Northern Pro Pressure Washing
No reviews
2 years of experience

Northern Pro Pressure Washing is a pressure washing business located in northern WI/MN. We offer residential and commercial services which include full exterior cleaning, windows, driveways, fences, decks, solar panels, and much more.

Northern Pro Pressure Washing is a pressure washing business located in northern WI/MN. We offer residential and commercial services which include full exterior cleaning, windows, driveways, fences, decks, solar panels, and much more.


L & S Plumbing & Heating
11496 Town Line Rd
5.00(
1
)
L & S Plumbing & Heating
11496 Town Line Rd
5.00(
1
)
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Complete plumbing, heating, and air conditioning from service and repairs, to new construction and remodel. Residential and commercial. A family run business for over 30 years with 24 hour service.

Complete plumbing, heating, and air conditioning from service and repairs, to new construction and remodel. Residential and commercial. A family run business for over 30 years with 24 hour service.


Comfort Systems
520 Garfield Ave
3.00(
2
)
Comfort Systems
520 Garfield Ave
3.00(
2
)
Free onsite estimate

Since the city established a municipal utility in Duluth in 1898, the infrastructure to serve customers has grown from 29.6 miles of gas mains to over 480 miles today. Paralleling the growth and improvement of the utility infrastructure, the Public Works and Utilities Department has expanded its customer service outreach. It offers a host of consumer services, including: - Natural gas safety checks - Appliance repair - The Comfort Policy heating system warranty - Budget Billing - Easy Pay - Three energy conservation programs: o Home Energy Conservation check-ups, o Home Energy Conservations Loans, o Commercial and Industrial conservation grants, - Service application processing - Billing and collection services We repair Natural Gas Furnaces, Water Heaters, Boilers, and Stoves. Call today!

"Horrible. I heard from them 2 times in a month. They waited until after my bill was charged before circling back and saying now there was nothing they could do. Go **** yourself Comfort Systems."

Jim J on April 2020

Since the city established a municipal utility in Duluth in 1898, the infrastructure to serve customers has grown from 29.6 miles of gas mains to over 480 miles today. Paralleling the growth and improvement of the utility infrastructure, the Public Works and Utilities Department has expanded its customer service outreach. It offers a host of consumer services, including: - Natural gas safety checks - Appliance repair - The Comfort Policy heating system warranty - Budget Billing - Easy Pay - Three energy conservation programs: o Home Energy Conservation check-ups, o Home Energy Conservations Loans, o Commercial and Industrial conservation grants, - Service application processing - Billing and collection services We repair Natural Gas Furnaces, Water Heaters, Boilers, and Stoves. Call today!

"Horrible. I heard from them 2 times in a month. They waited until after my bill was charged before circling back and saying now there was nothing they could do. Go **** yourself Comfort Systems."

Jim J on April 2020


Berkey Water Hawaii
68-1158 Mamalahoa Hwy
No reviews
Berkey Water Hawaii
68-1158 Mamalahoa Hwy
No reviews
Free onsite estimate

Best home water filter or water purifier on earth. Period. Fast, Free shipping to anywhere in the US and the only Berkey dealer to offer frequent flier miles an hotel points for each purchase. See these short videos. Why choose Berkey Filters http://www.berkeywaterhawaii.com/videos/why-choose-berkey-filter What makes a Berkey Better? http://www.berkeywaterhawaii.com/videos/what-makes-berkey-better Which Berkey is for you? http://www.berkeywaterhawaii.com/videos/which-berkey-is-for-you Berkey filters are the gold standard in water purification. They remove bacteria, viruses, pathogens, chlorine, fluoride, heavy metals and other contaminants from our drinking water. They are so powerful they can even take out red food coloring when added to water. Berkey filters are stand-alone systems that require no electrical outlet or water line. You can put them anywhere in an office or your home, and gravity does all the work. You just pour in a pitcher of water from the tap or catchment water. They last 5-10 years or 6,000 gallons for a pair of filters, which come with each Berkey.

Best home water filter or water purifier on earth. Period. Fast, Free shipping to anywhere in the US and the only Berkey dealer to offer frequent flier miles an hotel points for each purchase. See these short videos. Why choose Berkey Filters http://www.berkeywaterhawaii.com/videos/why-choose-berkey-filter What makes a Berkey Better? http://www.berkeywaterhawaii.com/videos/what-makes-berkey-better Which Berkey is for you? http://www.berkeywaterhawaii.com/videos/which-berkey-is-for-you Berkey filters are the gold standard in water purification. They remove bacteria, viruses, pathogens, chlorine, fluoride, heavy metals and other contaminants from our drinking water. They are so powerful they can even take out red food coloring when added to water. Berkey filters are stand-alone systems that require no electrical outlet or water line. You can put them anywhere in an office or your home, and gravity does all the work. You just pour in a pitcher of water from the tap or catchment water. They last 5-10 years or 6,000 gallons for a pair of filters, which come with each Berkey.


Summit Mechanical Service Inc
201 S Central Ave - STE #1
4.41(
44
)
Summit Mechanical Service Inc
201 S Central Ave - STE #1
4.41(
44
)
Customers say: Super punctual
26 years of experience

Since 1999, we have offered a full range of services to cover every heating or cooling need, from new system design and installs, to trustworthy repair, to annual tune up services. We appreciate our customers and provide honest and experienced solutions, because we take the time to understand your needs. Here in the northland, we experience a wide variety of constantly changing weather and our purpose is to keep your home comfortable, by providing reliable heating and cooling systems, and keeping them reliable.

"Terrible service and not willing to take responsibility for the mess."

Steven O on June 2019

Since 1999, we have offered a full range of services to cover every heating or cooling need, from new system design and installs, to trustworthy repair, to annual tune up services. We appreciate our customers and provide honest and experienced solutions, because we take the time to understand your needs. Here in the northland, we experience a wide variety of constantly changing weather and our purpose is to keep your home comfortable, by providing reliable heating and cooling systems, and keeping them reliable.

"Terrible service and not willing to take responsibility for the mess."

Steven O on June 2019


Chem Free Pure Water Systems
338 Mountain Dr N
4.64(
11
)
Chem Free Pure Water Systems
338 Mountain Dr N
4.64(
11
)
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

Residential and business water treatment systems. Water softeners, UV lights. We will analyze your water for contaminants such as chlorine, low pH, iron, bacteria, and devise a system to suit your needs. Treat your water from the source, as it enters your home, so whether you are drinking it, cooking with it or bathing in it, your water is pure.

"The process was quick and easy. I just provided a water sample. It was determined that I had high levels of chlorine in our drinking water. I was able to solve my water problems with only one filter. Why did I wait years to have this done? Now I can be confident that our water is safe. Highly recommended."

Tony R on February 2021

Residential and business water treatment systems. Water softeners, UV lights. We will analyze your water for contaminants such as chlorine, low pH, iron, bacteria, and devise a system to suit your needs. Treat your water from the source, as it enters your home, so whether you are drinking it, cooking with it or bathing in it, your water is pure.

"The process was quick and easy. I just provided a water sample. It was determined that I had high levels of chlorine in our drinking water. I was able to solve my water problems with only one filter. Why did I wait years to have this done? Now I can be confident that our water is safe. Highly recommended."

Tony R on February 2021


Belknap Plumbing & Heating & Cooling Co
1414 Belknap St
3.78(
18
)
Belknap Plumbing & Heating & Cooling Co
1414 Belknap St
3.78(
18
)
Customers say: Super punctual
81 years of experience

We are a locally owned business serving Duluth - Superior and surrounding area. We accept credit cards. Residential, commercial & industrial. Licensed in Wisconsin & Minnesota

"Hayden from Belknap plumbing just left my house. He was polite and worked very fast. I have had Belknap plumbing for all of my plumbing needs for the past forty year's and never been disappointed with their services. Hayden is definitely an asset to Belknap Plumbing. Ann Martineau"

Ann M on December 2024

We are a locally owned business serving Duluth - Superior and surrounding area. We accept credit cards. Residential, commercial & industrial. Licensed in Wisconsin & Minnesota

"Hayden from Belknap plumbing just left my house. He was polite and worked very fast. I have had Belknap plumbing for all of my plumbing needs for the past forty year's and never been disappointed with their services. Hayden is definitely an asset to Belknap Plumbing. Ann Martineau"

Ann M on December 2024

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Water treatment & purification system installations and replacements FAQs

In a reverse osmosis system, water from your main line—or from a designated faucet—is pushed through a semipermeable membrane under pressure. The membrane’s microscopic pores trap dissolved solids, heavy metals, and other contaminants, while clean water passes into a storage tank or straight to the tap. The leftover concentrated water simply drains away. The result is clear, great‑tasting water delivered right where you need it.

A plumber can set up a point‑of‑use unit in one to two hours. A whole‑house system is more involved and often takes one to two days because it ties into the main supply line and may need extra plumbing. During installation, the pro mounts the unit, connects the pipes, checks for leaks, and tests performance so you’re ready to pour a glass as soon as they leave.

Reverse osmosis removes dissolved solids, heavy metals, and many microorganisms, giving you water that tastes cleaner and protects your family. Softer water also helps appliances, faucets, and ice makers last longer. Because you’re filling reusable bottles instead of buying single‑use plastic, most homeowners save money and cut waste. In short, you get better‑tasting water, longer‑lasting appliances, and a smaller environmental footprint from one straightforward system.

The homeowners guide to water treatment & purification system installations and replacements
From average costs to expert advice, get all the answers you need to get your job done.
reverse osmosis water filtration system
Apr 23, 2025
Apr 23, 2025
Budget for reverse osmosis water filter costs based on factors such as system type, efficiency, number of stages, labor, add-on features, and more.
water purification filter system in home
Apr 17, 2025
Apr 17, 2025
The cost of installing a whole-house water filtration system depends on the type and number of filters you choose. Use this guide to budget for your project.
A small girl washing her hands in the bathroom sink
Mar 25, 2025
Mar 25, 2025
Use this guide to budget for water softener repair costs based on factors such as water treatment system type, replacement parts, professional labor, and more.
A woman holding glass under faucet in kitchen
Feb 12, 2025
Feb 12, 2025
If you’re planning to install a water softener, consider budgeting based on capacity, type of system, tank size, and more.
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