A. Monte Services was upfront about what my system needed and did not try to oversell me. The work was clean, professional, and done right the first time.
HVAC Contractor
Water Filtration System Installation & Repair in Long Island, NY
5 specialized services available
We install and maintain whole-home water filtration systems, reverse osmosis systems, and point-of-use filters across Long Island. Our team helps you improve water quality with professional installation and ongoing maintenance. We serve Mount Sinai, the Hamptons, East Hampton, Montauk, and all of Suffolk and Nassau counties.
Water Filtration System Installation & Repair
Serving Long Island, NY and the Florida Panhandle
Services
Water Filtration System Installation & Repair Services in Long Island, NY
We install and maintain whole-home water filtration systems, reverse osmosis systems, and point-of-use filters across Long Island. Our team helps you improve water quality with professional installation and ongoing maintenance. We serve Mount Sinai, the Hamptons, East Hampton, Montauk, and all of Suffolk and Nassau counties.
Whole Home Water Filtration Installation
A. Monte Services Corp. installs whole home water filtration systems for Long Island homeowners who want cleaner water at every tap.
- Filtered water at every faucet, shower, and appliance throughout the home
- Reduced exposure to PFAS, nitrates, iron, and sediment common in Long Island's aquifer-fed water supply
- Less mineral buildup inside water heaters, dishwashers, and washing machines, which extends appliance life
Reverse Osmosis System Installation
A. Monte Services Corp. installs reverse osmosis systems for Long Island homeowners who want cleaner, safer drinking water.
- Reduces PFAS, 1,4-dioxane, nitrates, and arsenic commonly found in Long Island groundwater
- Delivers filtered water directly from a dedicated kitchen faucet for drinking and cooking
- Multi-stage filtration removes dissolved solids, sediment, and chemical residue in sequence
Water Filtration System Maintenance
A. Monte Services Corp. provides water filtration system maintenance for Long Island, NY homeowners.
- Consistent water pressure maintained across all taps and appliances
- Reduced iron and mineral buildup that causes staining on sinks, tubs, and fixtures
- Extended lifespan of dishwashers, water heaters, and washing machines by limiting scale accumulation
Water Filtration System Repair
A. Monte Services Corp. repairs water filtration systems for homeowners across Long Island, NY.
- Restored water quality after a repair stops contaminants like iron, chlorine, and sediment from reaching your tap
- Reduced mineral scale buildup on pipes, fixtures, and water-using appliances in your Long Island home
- Lower risk of plumbing damage caused by unfiltered, low-pH, or high-mineral water common in Nassau and Suffolk counties
Point-of-Use Water Filter Installation
A. Monte Services Corp. installs point-of-use water filters for Long Island homeowners who want cleaner drinking water at the tap.
- Filtered water delivered directly at the tap, not just at the main line
- Reduces exposure to contaminants common in Long Island's aquifer-sourced water supply
- Protects against particles and metals that can enter water through older indoor plumbing
Why Choose Us
What sets us apart for Water Filtration System Installation & Repair
Family-owned and operated
15+ years of experience
Emergency service available
Honest and integrity-driven
Licensed S Corp
Our Work
Recent Projects in Long Island, NY
Every project in this gallery was built by our crew. Real work, real clients, real results.
Project photos coming soon.
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FAQ
Common Questions About Water Filtration System Installation & Repair in Long Island, NY
Straight answers to the questions homeowners ask before hiring a local contractor.
A whole-home system filters water at your main line, improving water quality throughout your entire house.
Yes, we install and maintain reverse osmosis systems for homes and businesses in the Hamptons and East Hampton.
Maintenance schedules depend on your system type and water usage.
Still have questions?
Call us directly. Real answers, no scripts.
Client Reviews
What Suffolk County homeowners say.
5.0
3 Google reviews
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Proudly Based in Mount Sinai, NY
Stop by, call, or book online — we're always nearby when you need us.
Phone
(631) 875-2966Hours
- Monday 8:00 AM - 5:00 PM
- Tuesday 8:00 AM - 5:00 PM
- Wednesday 8:00 AM - 5:00 PM
- Thursday 8:00 AM - 5:00 PM
- Friday 8:00 AM - 5:00 PM
- Saturday Emergency Service Available
- Sunday Emergency Service Available