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Top-Rated Water treatment pros in New Windsor - Updated Nov 2026

Avatar for Old Faithful Pump Co
Old Faithful Pump Co
4.9(
42
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving New Windsor, NY and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Excellent experience during a bad situation. We discovered our well head was leaking on a Sunday afternoon. Joe, the owner, came out the same day to assess the problem and told us how to avoid burning out the water pump. Joe and his crew came out the next day. Repaired the problem, with no surprises. He took the time to explain what was wrong and what he needed to do. Very professional, courteous, and knowledgeable. Everyone at Old Faithful Pump Co is friendly and it was pleasure doing business with them. We recommend Old Faithful Pump Company to everyone."
Additional Photos
Vernin Proof Well Head
Response time7 hrs
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Polar Plumbing, Heating, & Air Conditioning
Polar Plumbing, Heating, & Air Conditioning
4.7(
132
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving New Windsor, NY and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"I selected Polar Plumbing because of the many positive reviews on Home Adviser. I was not disappointed. My ultimate selection of Polar as our vendor of choice was based on their total solution proposal to our heating and water issues. The primary interfaces were Ray and Jared. Ray was the communication link to the project and kept us informed throughout the process. Jared was the front man. His plumbing, heating and water treatment expertise was clearly evident. The project began shortly thereafter and the team was precisely on time and very professional. The oil fired boiler was installed the first day and the old oil burner and associated equipment were disposed of. The installation looked and performed great. The next day was the installation of a water treatment system, 2 Nest thermostats and baseboard covers. In two days our lives changed: reliable consistent heat and hot water, and the odorous sulfur smell was gone. Kudos to the Polar team."
Jared and Our New Polar Partner
John and Mike After Picture
BEFORE - Leaking Under the Sink
AFTER - Fixed by your Polar Professionals
Indoor Face Unit 2

+12

Response time12 hrs
Response rate97%
5 neighbors recently requested a quote
Avatar for D Rohde Home Services
D Rohde Home Services
4.6(
473
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving New Windsor, NY and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"It was an excellent experience. Dan Rodhe and his crew are first-rate professionals! Domingo, Ajay, and Dave worked tirelessly for three days to remove all our old equipment and install a brand new system. It's perfect. As always, D. Rodhe Heating, Plumbing, and AC are top of their game. Thanks to all!"
Mitsubishi Hyper heat (Low Temp) Multi Head Heat Pump
Additional Photos
Mitsubishi Mini Split
Mitsubishi Mini Split
Additional Photos

+22

Response time11 hrs
Response rate100%
41 neighbors recently requested a quote
Avatar for Parker Plumbing & Electric
Parker Plumbing & Electric
4.9(
38
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving New Windsor, NY and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Nate called me quickly after my request had been submitted for a replacement 40-gallon natural gas hot water heater. Nate made an excellent first impression; as I spoke to him on the phone, I knew he knew what he was talking about. The heater was installed that day with meticulous attention to detail, and the price was below the initial quote."
Recommended by100%of homeowners
Avatar for Adventure Plumbing Services
Adventure Plumbing Services
4.8(
11
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving New Windsor, NY and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"Kevan (spelled with an "a") was the only plumber who even called me back the day after Christmas. All these other companies that advertise 24/7 & Holidays emergency service did not even answer the phone. We lost power and our pipes froze in super cold weather we had Christmas 2022. In 32 years my pipes never froze but they did this time and they burst in multiple locations. Kevin called and came out the same day and worked into the night replacing multiple ruptures. He is extremely courteous and professional and I HIGHLY RECOMMEND HIM for any plumbing or water treatment needs. Ken H., New Paltz, NY."
Response time8 hrs
Recommended by88%of homeowners
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