Top-rated water treatment & purification system installers and replacers.

Get matched with top water treatment & purification system installers and replacers in your area

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Water treatment & purification system installers and replacers in Plymouth

Avatar for Maine's Best Water Treatment
Maine's Best Water Treatment
674 Richmond Road
4.94(
221
)
Approved Pro
Maine's Best Water Treatment
674 Richmond Road
4.94(
221
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
79 local quotes requested

Do you have Iron, manganese, sulfur, arsenic, uranium or just hard water give us a call. Our customer service is our main priority, we are here to help you. We have many years of experience to give you confidence that we are your number one choice for your next water treatment purification system. Call us today and we look forward to your future business! We keep our prices low so everyone can afford healthy clean water. We are all about community and family. It will not cost you a fortune for healthy water if you give us a call. We also do no interest short term payment plans! There is no reason not to drink clean healthy water.

"I was looking to have a new water filter system installed for my well at my lake house and found Maines Best Water Treatment on Google. Brad quickly responded, then I emailed him my most recent water test results. He recommended the UV system, gave me a price and scheduled me right in. Brad and his helper showed up as scheduled, ontime and clean appearance. They quickly installed my new water filter system, cleaned up after themselves and I was conveniently able to pay the invoice on the spot with Brads ipad tablet payment system. The invoice was exactly as quoted. I will also take advantage of his annual maintenance plan. Professional and affordable. Highly recommended. Also rapid follow up with new clean water test and answered my winterization questions. Knowledgeable."

Chris D on June 2025

Do you have Iron, manganese, sulfur, arsenic, uranium or just hard water give us a call. Our customer service is our main priority, we are here to help you. We have many years of experience to give you confidence that we are your number one choice for your next water treatment purification system. Call us today and we look forward to your future business! We keep our prices low so everyone can afford healthy clean water. We are all about community and family. It will not cost you a fortune for healthy water if you give us a call. We also do no interest short term payment plans! There is no reason not to drink clean healthy water.

"I was looking to have a new water filter system installed for my well at my lake house and found Maines Best Water Treatment on Google. Brad quickly responded, then I emailed him my most recent water test results. He recommended the UV system, gave me a price and scheduled me right in. Brad and his helper showed up as scheduled, ontime and clean appearance. They quickly installed my new water filter system, cleaned up after themselves and I was conveniently able to pay the invoice on the spot with Brads ipad tablet payment system. The invoice was exactly as quoted. I will also take advantage of his annual maintenance plan. Professional and affordable. Highly recommended. Also rapid follow up with new clean water test and answered my winterization questions. Knowledgeable."

Chris D on June 2025


Summit View Water, LTD.
PO BOX 14
5.00(
2
)
Approved Pro
Summit View Water, LTD.
PO BOX 14
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
20 years of experience

Summit View Water is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 10 years of hands on experience to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"They did a great job. Outstanding customer service. Communicated very well keeping me updated with all details and explained everything I needed to know about the system. The install went smoothly and the workmanship was very neat. When they completed the job, they cleaned up very well. I would definitely recommend them and actually have already to a friend."

David G on January 2021

Summit View Water is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 10 years of hands on experience to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"They did a great job. Outstanding customer service. Communicated very well keeping me updated with all details and explained everything I needed to know about the system. The install went smoothly and the workmanship was very neat. When they completed the job, they cleaned up very well. I would definitely recommend them and actually have already to a friend."

David G on January 2021


Avatar for SECONDWIND WATER SYSTEMS, INC
SECONDWIND WATER SYSTEMS, INC
735 E Industrial Park Dr
4.81(
37
)
Approved Pro
SECONDWIND WATER SYSTEMS, INC
735 E Industrial Park Dr
4.81(
37
)
Approved Pro
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
74 local quotes requested

At Secondwind Water Systems, we specialize in customized water treatment solutions for homes and businesses across New Hampshire. Whether you're dealing with Hard Water, PFAS, Arsenic, Odors, or other water quality issues, we provide testing, diagnosis, and system installation tailored to your unique water chemistry. What sets us apart? We have more certified water professionals than any other company in New Hampshire—ensuring every recommendation we make is backed by deep technical expertise. Our team is dedicated to delivering dependable, high-quality service with solutions that truly work. We stand behind our work with exceptional warranties, ongoing support, and a commitment to doing what’s right for our customers. From softeners and filtration systems to drinking water solutions and advanced contaminant removal, you can trust Secondwind to improve your water—and your peace of mind.

"Exceptional work and quality. The installer truly knew what he was doing. He was quick, thorough and very efficient."

Bruce S on November 2019

At Secondwind Water Systems, we specialize in customized water treatment solutions for homes and businesses across New Hampshire. Whether you're dealing with Hard Water, PFAS, Arsenic, Odors, or other water quality issues, we provide testing, diagnosis, and system installation tailored to your unique water chemistry. What sets us apart? We have more certified water professionals than any other company in New Hampshire—ensuring every recommendation we make is backed by deep technical expertise. Our team is dedicated to delivering dependable, high-quality service with solutions that truly work. We stand behind our work with exceptional warranties, ongoing support, and a commitment to doing what’s right for our customers. From softeners and filtration systems to drinking water solutions and advanced contaminant removal, you can trust Secondwind to improve your water—and your peace of mind.

"Exceptional work and quality. The installer truly knew what he was doing. He was quick, thorough and very efficient."

Bruce S on November 2019


Avatar for Meredith Plumbing & Heating
Meredith Plumbing & Heating
9 Krainewood Dr.
4.36(
11
)
Approved Pro
Meredith Plumbing & Heating
9 Krainewood Dr.
4.36(
11
)
Approved Pro
Customers say: Super punctual
237 local quotes requested
40 years of experience

Meredith Plumbing and Heating LLC is ready to handle all of your water delivery and removal system needs. We do any necessary plumbing repair and installation to restore efficiency to your system. To prevent backups, we perform detailed sewer services using high-tech equipment. We will take on any job involving plumbing and heating. We are experienced experts in sewer drain cleaning, water pumps and sewer pumps, water filtration systems, gas piping and all gas related services and issues, water tanks, on demand hot water heaters repair or replacements. 24 HOUR EMERGENCY SERVICE AVAILABLE!! CALL (603) 455-9269

"Service and installation went very smoothly and he is coming back to install a new toilet and hook--up a new sink."

Ann E on May 2024

Meredith Plumbing and Heating LLC is ready to handle all of your water delivery and removal system needs. We do any necessary plumbing repair and installation to restore efficiency to your system. To prevent backups, we perform detailed sewer services using high-tech equipment. We will take on any job involving plumbing and heating. We are experienced experts in sewer drain cleaning, water pumps and sewer pumps, water filtration systems, gas piping and all gas related services and issues, water tanks, on demand hot water heaters repair or replacements. 24 HOUR EMERGENCY SERVICE AVAILABLE!! CALL (603) 455-9269

"Service and installation went very smoothly and he is coming back to install a new toilet and hook--up a new sink."

Ann E on May 2024


LaChance Water Filtration
200 Laconia Rd
No reviews
LaChance Water Filtration
200 Laconia Rd
No reviews
9 years of experience

At LaChance Water Filtration, we understand the importance of providing your family with clean, great-tasting water. Our trusted water filtration systems are tailored to address common issues in Lakes Region homes—whether you’re dealing with hard water, iron, sediment, or other contaminants. From professional installation to ongoing maintenance, our team is committed to helping you enjoy water that’s safe, pure, and refreshing. Discover how our customized solutions can make a difference in your home’s water quality today.

At LaChance Water Filtration, we understand the importance of providing your family with clean, great-tasting water. Our trusted water filtration systems are tailored to address common issues in Lakes Region homes—whether you’re dealing with hard water, iron, sediment, or other contaminants. From professional installation to ongoing maintenance, our team is committed to helping you enjoy water that’s safe, pure, and refreshing. Discover how our customized solutions can make a difference in your home’s water quality today.


Hartley Well Drilling
261 White Mountain Hwy
5.00(
2
)
Hartley Well Drilling
261 White Mountain Hwy
5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

After 45+ years and into a fourth generation of well drillers, Hartley Well Drilling provides complete water services including well drilling, well pumps, filtering & softening and geothermal heating & cooling to New Hampshire and Maine residential and commercial customers. We drill true Artesian water wells and gravel water wells, install and repair water well pumps and motors, install water well system electrical as well as water well pressure tanks and complete water filter & softener solutions. We also offer complete geothermal heating and cooling systems which often provide great energy savings and are far more environmentally friendly than wood, oil and other fossil fuel-based heating and cooling. Feel free to contact us through the form on our homepage at www.hartleywell.com or call us at 603-323-7924.

After 45+ years and into a fourth generation of well drillers, Hartley Well Drilling provides complete water services including well drilling, well pumps, filtering & softening and geothermal heating & cooling to New Hampshire and Maine residential and commercial customers. We drill true Artesian water wells and gravel water wells, install and repair water well pumps and motors, install water well system electrical as well as water well pressure tanks and complete water filter & softener solutions. We also offer complete geothermal heating and cooling systems which often provide great energy savings and are far more environmentally friendly than wood, oil and other fossil fuel-based heating and cooling. Feel free to contact us through the form on our homepage at www.hartleywell.com or call us at 603-323-7924.


Northeast Water Wells Inc
50 River St
2.33(
3
)
Northeast Water Wells Inc
50 River St
2.33(
3
)
Customers say: Quick response
59 years of experience

Northeast Water Wells has been providing quality water systems throughout Massachusetts and New Hampshire since 1966. We are fully licensed and insured in both states. Being a third generation company Northeast Water Wells focus has always been on the complete system beginning with the well and continuing with our ongoing customer support. At Northeast Water Wells Inc not only do we specialize in Water Well real estate testing but also install and service complete water well pumping systems, install artesian water wells, Geothermal well installation, emergency service and so much more. Northeast Water Wells not only specializes in residential applications but we also cover the following applications as well; Commercial systems, Industrial systems, Municipal systems, Community Wells Systems, Geothermal Wells, Agricultural Water systems and Irrigation Wells. At Northeast Water Wells are services are not limited to well and pump installation we also have a plethora of other services available. Northeast water wells experienced technicians also specialize in Artesian Water Well Abandonment, Well Rehabilitation, Water Well Chlorination, Submersible water pumps, Jet pumps, Constant Pressure Pumps, Pressure Boosting Pumps, Solar/ wind powered pumping systems. Water Pressure holding tanks, Atmospheric Water Holding tanks, Water Quality/ Quantity testing, water conditioning and treatment, filtration, sanitizers, water softeners, hydrofracture, zone fracture, Water Well Maintenance and Well Efficiency Audits. Northeast Water Wells Inc has very strict employee policies including but not limited to the following; Detailed saftey policy, Osha 10, A No tolerance Drug and Alcohol Policy managed by a third party compliance company, routine background and driving record checks. The saftey of not only our employees but also our clients is our top priority.

Northeast Water Wells has been providing quality water systems throughout Massachusetts and New Hampshire since 1966. We are fully licensed and insured in both states. Being a third generation company Northeast Water Wells focus has always been on the complete system beginning with the well and continuing with our ongoing customer support. At Northeast Water Wells Inc not only do we specialize in Water Well real estate testing but also install and service complete water well pumping systems, install artesian water wells, Geothermal well installation, emergency service and so much more. Northeast Water Wells not only specializes in residential applications but we also cover the following applications as well; Commercial systems, Industrial systems, Municipal systems, Community Wells Systems, Geothermal Wells, Agricultural Water systems and Irrigation Wells. At Northeast Water Wells are services are not limited to well and pump installation we also have a plethora of other services available. Northeast water wells experienced technicians also specialize in Artesian Water Well Abandonment, Well Rehabilitation, Water Well Chlorination, Submersible water pumps, Jet pumps, Constant Pressure Pumps, Pressure Boosting Pumps, Solar/ wind powered pumping systems. Water Pressure holding tanks, Atmospheric Water Holding tanks, Water Quality/ Quantity testing, water conditioning and treatment, filtration, sanitizers, water softeners, hydrofracture, zone fracture, Water Well Maintenance and Well Efficiency Audits. Northeast Water Wells Inc has very strict employee policies including but not limited to the following; Detailed saftey policy, Osha 10, A No tolerance Drug and Alcohol Policy managed by a third party compliance company, routine background and driving record checks. The saftey of not only our employees but also our clients is our top priority.


Midcoast Aerus
352 WARREN AVE
5.00(
5
)
Midcoast Aerus
352 WARREN AVE
5.00(
5
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Midcoast Aerus is an air & water filtration company with locations in Portland, Brunswick and Rockland, Maine. We offer high end water filtration products specific to your unique water quality situation. We offer free immediate response water tests which will allow us to make recommendations to fix your water quality. More complex treatment solutions will have a full certified lab analysis followed up with the correct solution.

"Installed system. Great communication and service."

Kathleen M on July 2022

Midcoast Aerus is an air & water filtration company with locations in Portland, Brunswick and Rockland, Maine. We offer high end water filtration products specific to your unique water quality situation. We offer free immediate response water tests which will allow us to make recommendations to fix your water quality. More complex treatment solutions will have a full certified lab analysis followed up with the correct solution.

"Installed system. Great communication and service."

Kathleen M on July 2022


Gromko's Plumbing & Heating, LLC
364 Fowler River Rd
5.00(
1
)
Gromko's Plumbing & Heating, LLC
364 Fowler River Rd
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Family owned plumbing and heating company. Over 20 years of experience in plumbing, heating, installations, and new construction.

Family owned plumbing and heating company. Over 20 years of experience in plumbing, heating, installations, and new construction.


Thunder Well and Pump
PO Box 1311
No reviews
Thunder Well and Pump
PO Box 1311
No reviews
41 years of experience

Thunder Well & Pump, located in Concord and Merrimack NH is a full service well and pump service company. Owner, Steven Schwed has been in the well business for over 20 years, and is experienced in all aspects of service and installation, water treatment, filtration and testing. Emergency service is available and always at a fair price. Thunder Well does not charge overtime for residential clients, making your cost as affordable as possible. We accept credit cards and can make payment arrangements. Member of NHGWA - New Hampshire Ground Water Association Member of MGWA - Massachusetts Ground Water Association Member of NGWA - National Ground Water Association.

Thunder Well & Pump, located in Concord and Merrimack NH is a full service well and pump service company. Owner, Steven Schwed has been in the well business for over 20 years, and is experienced in all aspects of service and installation, water treatment, filtration and testing. Emergency service is available and always at a fair price. Thunder Well does not charge overtime for residential clients, making your cost as affordable as possible. We accept credit cards and can make payment arrangements. Member of NHGWA - New Hampshire Ground Water Association Member of MGWA - Massachusetts Ground Water Association Member of NGWA - National Ground Water Association.

Showing 1-10 of 28

FAQs for water treatment & purification system installation and replacement projects in Plymouth, NH

A whole-house water filtration system is ideal if you want all the water in your home to be filtered, improving water quality and protecting your plumbing. This system can enhance your home's value. If you only need filtered water for drinking or cooking, a point-of-use filter might be a suitable alternative. Each filtration option is designed to remove specific contaminants.

Maintaining your whole‑house water filtration system is essential for uninterrupted performance and clean water. The annual expense, which ranges between $50 and $300, covers filter replacements, complete system inspections, and any required repair work. Regular maintenance keeps the system operating at peak efficiency and guarantees the highest water quality for every home use.

Installing a whole‑house water filtration system is a streamlined process that a professional can complete in one day. Multistage systems require additional time to secure proper plumbing connections and calibrate the system accurately. In contrast, point‑of‑use filters are installed within a few hours, ensuring efficient and precise integration in your home.

Most whole-house filtration systems last 10 to 20 years with proper care. Reverse osmosis units typically serve 10 to 15 years, while water distillers can exceed two decades. Lifespan depends on build quality, water chemistry, and whether filters, lamps, or membranes are changed on schedule. Regular professional inspections help you catch minor issues before they shorten the system’s life. Budget for planned component replacements to reach the upper end of that range.

Fast clogging usually points to high sediment levels, heavy water use, or both. When more dirt and minerals flow through the system, filters load up sooner and performance drops. Schedule a water test to confirm what’s in your supply, add a sediment pre-filter if needed, and follow the manufacturer’s replacement timeline to keep water pressure and quality where they belong.

The Plymouth, NH 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.
water purification filter system in home
Jun 24, 2025
Jun 24, 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.
reverse osmosis water filtration system
Jun 17, 2025
Jun 17, 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.
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.
Share project details to get started.