
Residential Water Experts
Local, family-owned since 1971
Office Number
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(978) 772-6773
Business Hours
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Mon – Fri: 8 AM – 4 PM -
Sat: 9 AM – 12 PM -
Sun: Closed
Headquarters
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101 Park Street, Ayer, MA 01432
Solving Water Problems Since 1971
For over 50 years, Friots Water Treatment Co. has been improving residential water quality in Massachusetts and Southern New Hampshire.
We are in business to help our customers solve their water quality problems – we believe that selling equipment is incidental to that mission, rather than the mission itself. Replacing older equipment is often not necessary, and we help our customers understand the trade-offs between cost and reliability. To a surprising extent, water quality varies between private wells, even wells in close proximity to one another. We take the time required to understand the underlying chemistry and specific requirements to arrive at the best solution for each customer.
Our Full Range of Services

Water Softeners
Enjoy less soap for washing, softer and more manageable hair, and no unwanted streaks on dishes and glasses.

Water Analysis
Our standard water testing and analysis include assessments of water hardness, total dissolved solids, and chlorine levels.

Arsenic Removal
Friots has a long history and deep experience with cost-effective ways for arsenic abatement.

Reverse Osmosis
Get pure, clean water for drinking and cooking with our reverse osmosis systems.

Radon Removal
We understand the dangers of radon gas and getting it removed from your house.

Well Pressure Tanks
Ensure consistent water pressure and efficient well operation with our professional well pressure tank replacement.

Iron Removal
Ensure consistent water pressure and efficient well operation with our professional well pressure tank replacement.

Well Pump Replacement
Ensure consistent water pressure and efficient well operation with our professional well pressure tank replacement.
Why Should I call Friots?
As a locally owned company, our reputation depends on our exceptional customer service and the ability to provide customized solutions for every problem.
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Free remote consultations -
Top-quality workmanship -
Experts in local water conditions
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Highly Experienced -
Focus on residential water
What Our Customers are Saying
Nicole Thomas
04/07/2024
Excellent service. We’ve been customer since we moved here and they have always been prompt and helpful.
Gary NFTRH
03/07/2024
Excellent company and all around
service, from well to softener. Kirin and Matt (l think I recall the names correctly) were super efficient and helpful field techs and Dan the owner is very attentive.
Alyson Becker
20/06/2024
I wouldn’t use anyone but Friot’s for water treatment. I have lived in Carlisle (a notorious place for mineralized water) for 20 years and have always had to “manage” my well water. Friot’s has been responsive, helpful, and honest every time I have needed them. Most recently, I knew I had a problem and sent an email request (because it was a Sunday.) I was hoping for a return call on Monday. Dan actually called me immediately and got me back up and running healthy water within hours – via phone coaching. The level of service is above and beyond. I am grateful and would recommend Friot’s to everyone who needs water mitigation.
Carl Howe
05/04/2024
We have been Friot customers since we moved into our current house in 2002. The company has provided excellent service for our 35-year-old well and water treatment system. but our mineral-filled water was sporadically causing the system to clog. and we finally decided that it was reaching the end of its useful life. Dan came out personally to survey our system. assessed what types of improvements were possible and then gave us several options at different price points. Given our system’s age, we opted to go for a two-reservoir system with two filtering stages as well as a reverse-osmosis (RO) system for drinking water. While I had expected that we’d have to wait for them to order parts, Friot came out and installed our new system within a week. During the installation process, Friot discovered that our well pump was about to fail and were able to replace that as well (Friot just added well pump maintenance to their service). The result is that we now have excellent water quality throughout the house, better water pressure, and a state of the art RO system for drinking water. We couldn’t be happier with the results, and we’re pleased to be continuing with a local business that isn’t part of a giant chain company. We highly recommend Friot to anyone who is looking to improve the quality of their water supply.
Marianne Cashman
31/05/2024
I built my house in 1979, 45 years ago. I compared all area Water Softener/Conditioner companies and found Friot’s to be the best financially, with efficiency, and coverage in case of any problems. In all those years I only had to ask for advice 3 times and it was minor problems taken care of immediately with a smile by a person named Paul. Since the conditioner was so old and lasted so long it was time to upgrade and replace it. My well water is extremely high in Manganese and Iron, leaving dark brown rust stains and ruining my pipes, appliances, sinks, tub, toilet, clothes, and anything I washed. I called the trusted company Friot’s and spoke with Dan. He told me he would not try to oversell available water softeners, but explain what the new ones could do, which ones were available to me for the water problem, and the price. He was very professional, and friendly, and explained how it worked in detail. This showed me he was not only skilled but experienced. Dan and his team accomplished an outstanding job and went beyond their work to fix a leak I had been trying to fix for months, just out of kindness. It is my pleasure to be a customer of Friot’s company which showed so much respect for my home, leaving it immaculate. The Water Conditioner/Softener, 1040 Entipur TT Softener is amazing and the results are outstanding.
Phil C.
01/06/2024
We recently moved into a new to us house that had previous work done by Friot’s. Dan, Eli, and team have been absolutely awesome in helping us understand what they have done over the years, educate us on additional water treatment options, and most recently, install a water softener system.
Eli spent a ton of time helping me get up to speed on what our options were and even suggested doing a test to ensure we had good results prior to investing in a water softener.
Overall, communication from the team is great and always responsive. Quality of work and execution, top notch as well. We are looking forward to working with Friot’s for any water treatment projects we have in the future!
Horace Privitera
03/05/2024
I found Friot’s as a local company to evaluate and treat as necessary our water quality as we suspected it was hard and causing problems in our home. Ely from Friot’s came out and tested and confirmed we had hard water and made suggestions as to how to proceed. I had many questions after doing much research and I felt he answered them very honestly. When he suggested options I would ask about certain other option s and he would say that we didn’t need to go that route as it would be a waste of money so I felt he had our best interests in mind rather than just sales for the company. We hired them and from Ely to the actual installers everyone was first of all exactly on time therefore not wasting any of my valuable time. They installed their whole house water softener system and so far we are very happy with it. I would not hesitate to hire Friot’s again and I would highly recommend them to anyone with water issues. Thank you Friot’s for a very professional and honest approach to doing business.
Richard Wellman
01/05/2024
Friots installed our arsenic treatment system. They were more responsive than the others, priced about the same for a system that in the long-term would save money, didn’t try to sell us equipment we didn’t need and actually tried to fix the existing system first before installing a new one (unlike other companies we contacted). They absolutely live up to their stated mission.
Tim Smith
04/04/2024
Judy Dragoslis
03/01/2024
Highly recommend this company!!! We have a newly constructed home and the water system installed by the contractor was not what we needed. We had too much iron in our water and it turning everything red
Dan from Friot came in and explained exactly what was needed. He did not try to sell us the most expensive system. He was very honest and upfront.
Chris LoDolce
02/01/2024
It’s always nerve wracking finding quality specialists when moving to a new area. I received a recommendation from a general contractor who uses Friot’s for their own home and could not have been more thankful.
Dan and his team are top notch. We moved into a new home with a well and the water system needed updates to be inline with code and to improve overall water quality. Dan and his team took the time to fully analyze our water treatment needs including a full panel and to recommend a few cost options as well as to educate me on the pros and cons.
The PH of the well water was so low it was corroding the copper pipes, turning sinks and our hair green and there was above the recommended limits of radon in the water.
They were competitively priced with other quotes. We’ve had them out a few times and each time the team is on time, professional, and friendly. Eli and the folks behind the scenes at the office are always prompt to respond and answer questions.
Melissa Diglio
02/01/2024
I just had flooding in my basement and wasn’t positive if it was from the storm or the water system. I called Friots and was given a bunch of helpful info over the phone and was told not to hesitate to call back if needed. When I sent a video an hour later they called me back instantly and stated that while they still didn’t think it was an equipment issue they would swing by and do a consult. Of course it was a drainage issue with the property and not at all an issue with the system but they helped me trench out some much needed run off and explained in detail how and why there was flooding. Above and beyond does not do them justice on this one. I felt more like it was a good friend coming to help than a contractor. I can’t speak highly enough of their services!
Jeff
02/01/2024
Friot’s Water Treatment did an excellent job! They are very knowledgeable and professional. They installed a water softener and reverse osmosis in our house and we love it. I would highly recommend them if you have any water filtration needs.
Steven Duval
02/01/2024
These guys are great. Visited the store and Eli explained how the water softener functions. Very knowledgeable. They came out to service my 20 year old softener and fixed it within minutes. Very happy.
Michael Alves
02/01/2024
What a great experience! Dan, Eli and I think Kiernan (if I spelled it wrong, please let me know and I’ll update this review), were fantastic. Dan was patient, a good teacher and a relationship oriented business owner. I never felt rushed or pushed. If he didn’t know he’d say so. If he thought he could find out an answer he’d look it up and get back to me.
We did the soft water and the reverse osmosis. Our water tastes pure making coffee, tea and plain old water fantastic. Our ice cubes are clear vs. cloudy. We love showing off our water when we serve our guests. Our skin feels silky and smooth when we bathe or wash our hands. We have more peace of mind that our plumbing will last longer too and not build up corrosion based on the simple fact that our toilets, faucets, showers and hardware look so much better.
The process was super simple. A few hours. Eli and Kiernan were neat, quiet and fast. The organized the installation to take up the least amount of space and be super efficient and tight with where they installed the equipment.
It really was a great experience and my family is so glad we did it. And I guess we’re not the only one’s who were fans as 3 other neighbors went to Friot’s too.
Thank you Dan, Eli and Kiernan.
Gratefully yours,
Michael
Alexander Woodle
02/01/2024
The Friot’s are pleasant to work with, professional and respond quickly to any service call you may have. In this day and age, it is wonderful to find such professional and competent service.
Bob McCullough
02/01/2024
Great company, and Paul is a great person. I bought a home in which the previous owners had already been using his service, so I decided to keep him. Not only was his service excellent, but he gave me numerous excellent referrals for other local trades people.
Jennifer Jones
02/01/2024
We are grateful for the service we’ve received from Friot’s. They are knowledgeable, responsive, and professional.
The Areas We Serve
Reach Out to Us With Your Water Questions
Are you trying to find a water treatment system that will work well and save money? Friots is the only place to go! With more than 50 years of expertise, we take the time to comprehend the chemistry of your water system at its core and provide dependable, affordable solutions.