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 Gardner

Avatar for D Day Plumbing
D Day Plumbing
39 Melrose Street
4.96(
38
)
Approved Pro
D Day Plumbing
39 Melrose Street
4.96(
38
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
13 years of experience

- Closely follow the average True Cost Rate furnished on the Homeowners section of Home Advisor for labor costs - Show up on time and give up front estimates - Focus on service work and limited multi-day projects so my schedule remains fluid - Advocate on the customer's behalf shopping for best prices on quality materials and best practices to get jobs done to code at the best rate possible

"We had an issue with a Dry Well periodically backing up. Damian and the D Day Plumbing team were very professional and knowledgeable and provided an estimate with a couple different options and their related costs. They installed a new utility sink, sink pump, and needed piping and valves with tie ins to the main septic. They made improvement above and beyond the initial job breakdown, all the while staying within budget. I will certainly consider them again for any future work. Thank you Damian and the D Day Plumbing Team for a job very done!"

Jim K on July 2024

- Closely follow the average True Cost Rate furnished on the Homeowners section of Home Advisor for labor costs - Show up on time and give up front estimates - Focus on service work and limited multi-day projects so my schedule remains fluid - Advocate on the customer's behalf shopping for best prices on quality materials and best practices to get jobs done to code at the best rate possible

"We had an issue with a Dry Well periodically backing up. Damian and the D Day Plumbing team were very professional and knowledgeable and provided an estimate with a couple different options and their related costs. They installed a new utility sink, sink pump, and needed piping and valves with tie ins to the main septic. They made improvement above and beyond the initial job breakdown, all the while staying within budget. I will certainly consider them again for any future work. Thank you Damian and the D Day Plumbing Team for a job very done!"

Jim K on July 2024


Avatar for NORTH EASTERN INDUSTRIES
NORTH EASTERN INDUSTRIES
72 Progress Ave
New on HomeAdvisorNew on Angi
Approved Pro
NORTH EASTERN INDUSTRIES
72 Progress Ave
New on AngiNew on HomeAdvisor
Approved Pro
34 years of experience
Free onsite estimate

AqualiteUS 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 30 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!

AqualiteUS 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 30 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!


Calzini's plumbing
1 Norcross Rd
4.60(
15
)
Calzini's plumbing
1 Norcross Rd
4.60(
15
)
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Our business prides itself on quality work and customer relationships, which is our flagship business platform. We offer a wide range of services such as heating systems, natural gas and propane, all aspects of plumbing as well as water quality testing and the corresponding filtration system from resulting test.

"Dave from Calzini's Plumbing and Heating got me through a hard time when I couldn't get anyone else to provide service on short notice. As a landlord, I had to replace a hot water heater for my tenants as soon as possible. I had to shut the water off and they were extremely upset about it. The only one that responded and came out right away was Calzini's Plumbing. They arrived within an hour and were out within an hour after with everything functioning perfectly. It was in the evening so couldn't get a permit that night. Dave from Calzini's arrived early the next morning to have a permit pulled and all was good again. I can't say enough about this company and would recommend Calzini's Plumbing and Heating to anyone for all your service needs. Thanks Dave Calzini!"

Rober C on June 2022

Our business prides itself on quality work and customer relationships, which is our flagship business platform. We offer a wide range of services such as heating systems, natural gas and propane, all aspects of plumbing as well as water quality testing and the corresponding filtration system from resulting test.

"Dave from Calzini's Plumbing and Heating got me through a hard time when I couldn't get anyone else to provide service on short notice. As a landlord, I had to replace a hot water heater for my tenants as soon as possible. I had to shut the water off and they were extremely upset about it. The only one that responded and came out right away was Calzini's Plumbing. They arrived within an hour and were out within an hour after with everything functioning perfectly. It was in the evening so couldn't get a permit that night. Dave from Calzini's arrived early the next morning to have a permit pulled and all was good again. I can't say enough about this company and would recommend Calzini's Plumbing and Heating to anyone for all your service needs. Thanks Dave Calzini!"

Rober C on June 2022


AERUS
1501 N. Main St
No reviews
AERUS
1501 N. Main St
No reviews
26 years of experience

Family Owned & Operated with over 20+ years experience in the field!! We pride ourselves in providing Superior Customer Service, fostering long term relationships with our customers. We offer In-Home Water Quality Analysis, No sending out samples. Our Expert Water Technician will review the test results with you on the spot. We provide and install the highest quality water systems, specific to your home's needs. Softeners, Ph Neutralizers, Sediment Removal, Iron & Manganese Removal, Whole Home Filtration, Reverse Osmosis and More. FREE lifetime annual inspections are included with each unit, and we service all makes and models.

Family Owned & Operated with over 20+ years experience in the field!! We pride ourselves in providing Superior Customer Service, fostering long term relationships with our customers. We offer In-Home Water Quality Analysis, No sending out samples. Our Expert Water Technician will review the test results with you on the spot. We provide and install the highest quality water systems, specific to your home's needs. Softeners, Ph Neutralizers, Sediment Removal, Iron & Manganese Removal, Whole Home Filtration, Reverse Osmosis and More. FREE lifetime annual inspections are included with each unit, and we service all makes and models.


Dr. Home Service LLC.
955 Goffs Fall Road
No reviews
Dr. Home Service LLC.
955 Goffs Fall Road
No reviews
50 years of experience

Doctor Home Service of NH LLC. is everything under one roof. WE have reliable, affordable & experienced experts...We are the Doctors of Home Service Industry. "We are all things to all Home Owners"

Doctor Home Service of NH LLC. is everything under one roof. WE have reliable, affordable & experienced experts...We are the Doctors of Home Service Industry. "We are all things to all Home Owners"


Wachusett Plumbing Services
176 Maple Ave
4.60(
10
)
Wachusett Plumbing Services
176 Maple Ave
4.60(
10
)
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

Wachusett Plumbing Services Inc. is your local full service plumbing company for all of your plumbing needs. We can help you with plumbing fixtures, water heaters, well systems, water conditioners and much more. WPS is veteran owned and offers discount pricing to seniors and vets.

"Dennis did an excellent job replacing our electric water heater! We noticed our old one leaking one evening, and Dennis was VERY fast to respond to my Angi request for service. He was out the next day to install our new water heater and arrived promptly at the promised time. From start to finish, Dennis completed the work in just over 2 hours. He cleaned up the area nicely and took our old water heater with him. A+ 5-Star service for sure! Would highly recommend this friendly professional for your plumbing needs. :)"

Mark W on August 2023

Wachusett Plumbing Services Inc. is your local full service plumbing company for all of your plumbing needs. We can help you with plumbing fixtures, water heaters, well systems, water conditioners and much more. WPS is veteran owned and offers discount pricing to seniors and vets.

"Dennis did an excellent job replacing our electric water heater! We noticed our old one leaking one evening, and Dennis was VERY fast to respond to my Angi request for service. He was out the next day to install our new water heater and arrived promptly at the promised time. From start to finish, Dennis completed the work in just over 2 hours. He cleaned up the area nicely and took our old water heater with him. A+ 5-Star service for sure! Would highly recommend this friendly professional for your plumbing needs. :)"

Mark W on August 2023


Western Mass WATER Filtration
1026 Park St
No reviews
Western Mass WATER Filtration
1026 Park St
No reviews
3 years of experience

Whole home water filtration Water testing. Sales, service. Instalation and yearly service checks

Whole home water filtration Water testing. Sales, service. Instalation and yearly service checks


SafeWell
265 Main Street
5.00(
3
)
SafeWell
265 Main Street
5.00(
3
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Your advisor for clean, safe, healthy water. Complete water testing, filtration and treatment services for private well owners and municipal water users. Serving home-owners in Massachusetts and neighboring states.

"I can’t say enough good things about Safewell. Everyone I dealt with was knowledgeable and professional. I highly recommend them."

rosemary m on April 2022

Your advisor for clean, safe, healthy water. Complete water testing, filtration and treatment services for private well owners and municipal water users. Serving home-owners in Massachusetts and neighboring states.

"I can’t say enough good things about Safewell. Everyone I dealt with was knowledgeable and professional. I highly recommend them."

rosemary m on April 2022


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.


Mr Rooter Of Leominster/fitchburg
838 W Broadway
No reviews
Mr Rooter Of Leominster/fitchburg
838 W Broadway
No reviews
Free onsite estimate

Additional DBA - Mr Rooter Corp.

Additional DBA - Mr Rooter Corp.

Showing 1-10 of 23

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.
Share project details to get started.