Mon–Sat: 9:00 AM – 7:00 PM info@watertreatmentinstitute.com

Residential Water Filtration

Clean, safe water for every tap in your home — installed in a single visit.

Home Solutions

Pick the system that fits your household.

Every option includes a free water test and a full walkthrough after installation. See full pricing →

Under-Sink RO

Compact 5-stage system for kitchen taps — the most popular residential choice.

Whole-House Filtration

Filters water at the main line — every tap and appliance in the house benefits.

Countertop Units

No plumbing changes needed — ideal for rented apartments and quick setup.

What's Included

Residential services we offer.

RO System Installation

Under-sink 5–7 stage reverse osmosis system sized to your household usage.

Learn more →

Whole-House Water Filtration

Point-of-entry filtration that treats water for every tap, shower, and appliance in the home.

Learn more →

Countertop Water Filter Installation

No-plumbing-changes filtration unit — ideal for rented apartments.

Learn more →

Water Softener Installation

Reduce hard-water scale buildup on fixtures, geysers, and appliances.

Learn more →

UV Water Sterilization

Ultraviolet disinfection stage that neutralizes bacteria and viruses without chemicals.

Learn more →

Filter Cleaning & Sanitization

Deep-cleaning of tanks, housings, and membranes to restore full filtration performance.

Learn more →

RO Membrane Replacement

Genuine membrane replacement when TDS rejection drops below acceptable levels.

Learn more →

Filter Cartridge Replacement

Sediment and carbon cartridge swap — the most common maintenance task.

Learn more →

Repair & Troubleshooting

Leaks, low pressure, unusual taste, or noisy pumps — diagnosed and fixed.

Learn more →

Annual Maintenance Contract (AMC)

Scheduled quarterly cleaning, filter tracking, and priority repair — one fixed yearly cost.

Learn more →

Water Testing & TDS Check

On-site water quality testing with a clear before/after report.

Learn more →

Storage Tank Cleaning

Overhead and underground water tank cleaning and disinfection.

Learn more →

Iron & Manganese Removal Filtration

Specialized filtration for borewell water with high iron or manganese content.

Learn more →
Common Questions

Residential FAQs.

How long does installation take?

Most under-sink RO installations are completed in 60–90 minutes on a single visit.

Do I need to change my plumbing?

No — RO and countertop units connect to your existing kitchen tap without permanent changes.

How often do filters need changing?

Typically every 6–12 months depending on usage and water quality, tracked for you under an AMC plan.

Get a residential quote

Free site visit and water test included.