Trusted Aquaguard Service in Nanganallur
Looking for professional Aquaguard service in Nanganallur? Sigma Aquaguard provides expert RO water purifier installation, repair, maintenance, filter replacement, and AMC services for homes, apartments, and commercial establishments. Our skilled technicians deliver prompt doorstep service, ensuring your purifier provides clean, safe, and healthy drinking water every day.
With over 15 years of experience and 25,000+ satisfied customers, we are committed to delivering reliable service, genuine spare parts, transparent pricing, and complete customer satisfaction.
Our Aquaguard Services
Advanced purification technology delivering safe, pure, and refreshing drinking water every day.
RO Water Purifier Installation
Professional installation for new and existing RO water purifiers
RO Repair Services
Quick diagnosis and repair for all types of purifier issues.
Filter Replacement
Replace old filters with genuine, high-quality cartridges
RO Membrane Replacement
Improve water quality with timely membrane replacement.
Annual Maintenance Contract
Affordable maintenance plans for worry-free performance.
Preventive Maintenance
Regular servicing to keep your purifier working efficiently.
Elegant Design
A sleek and modern design that blends perfectly with homes, offices, and commercial spaces.
8.5 Litre Storage
This should be used to tell a story and let your users know a little more about product.
1-Year Warranty
Enjoy complete peace of mind with a comprehensive one-year product warranty.
Easy Installation
Quick and hassle-free installation by our trained professionals in any compact space.
Energy Efficient
Designed for low power consumption while delivering high-performance water purification.
Easy Exchange
Upgrade your old water purifier with our convenient exchange program and enjoy the latest technology.
Every Water Purifier Problem - Solved
From low flow to motor failure, we handle every repair with genuine parts and a 100% satisfaction guarantee.
Low Water Flow
Weak or slow output from the tap — usually a clogged filter or blocked line.
Water Leakage
Drips or pooling around the unit, traced and sealed before they cause damage.
Bad Taste & Odour
Off-tasting or smelly water fixed by restoring proper filtration.
High TDS Level
TDS above the safe range brought back down to healthy drinking levels.
Filter Replacement
Worn-out filters swapped for genuine replacements, right on schedule.
RO Membrane Damage
Damaged membranes diagnosed and replaced to restore full purification.
Motor Problems
Noisy, weak, or non-working motors repaired or replaced.
Power Supply Issues
Wiring and adapter faults sorted so your unit powers on reliably.
Tank Cleaning
Storage tank cleaned and sanitised so stored water stays fresh.
Service you can plan your week around.
We built our reputation one visit at a time — here's what customers keep telling us matters most.
15+ Years of Industry Experience
A team that has seen — and fixed — nearly every RO issue Chennai's homes and offices can throw at it.
25,000+ Happy Customers
Trusted across Chennai's homes and businesses, one referral at a time.
Certified & Skilled Technicians
Trained on installation, repair, and every major RO brand in the market.
Genuine Spare Parts
No generic substitutes, ever — only manufacturer-approved components.
Affordable, Transparent Pricing
You know the exact cost before we start any work.
Same-Day Service Support
Most complaints are resolved the same day you call us.
Complete Multi-Brand RO Solutions
One call, one technician, covers every RO brand you own.
Reliable AMC Plans
Set-and-forget yearly maintenance, so you never have to remember.
Fast, local service across Chennai
Need a purifier serviced this week?
Call Now or book online — most complaints are resolved the same day.