Water Heaters & Filtration in Montclair, CA

Upgrade Your Water Quality & Hot Water System—All in One Call

Cold water issues? Hard water buildup? Cosentino Plumbing offers professional water heaters and water filtration services in Montclair designed to make your home more comfortable and efficient. Whether you’re replacing an old water heater or investing in whole-home filtration, our licensed experts deliver custom solutions that are long-lasting and reliable.

Fast, professional hot water heater installation in Montclair

Repair or replacement for tank and tankless water heaters

Whole-house water filtration Montclair systems

Local, licensed plumbing backed by 35+ years of experience

Why Montclair Homeowners Call Cosentino Plumbing First

  • Water Heaters That Keep Up with Your Lifestyle

    We repair, replace, and install all major water heater brands, including energy-efficient tankless water heaters in Montclair. Whether you’re dealing with a leak or a lack of hot water, we’ll get your system running better than ever.

  • Cleaner, Safer Water for the Whole House

    Our custom water filtration systems in Montclair are designed to target chlorine, sediment, and mineral content. Enjoy softer water, better-tasting tap water, and less wear on plumbing and appliances.

  • No Hassle, No Pressure, Just Expert Plumbing

    We’re not here to sell—we’re here to help. We provide honest recommendations, fair quotes, and top-tier workmanship with no cut corners and no surprises.

Our Water Heater & Filtration Services in Montclair

From the water coming out of your faucet to the temperature in your shower, we handle every aspect of home water comfort. Our team will help you choose the best heater and filtration system based on your home’s usage and layout.

Traditional & tankless water heater installation in Montclair

Water heater repair, maintenance, and safety inspections

Sediment & chlorine filtration systems

Water softeners for hard water correction

Thermal expansion tanks & recirculation pump installs

Whole-home plumbing upgrades & repiping

What’s Included in Our Water Heater & Filtration Services

Water Heater Installation

Water Heater Installation

If your old unit is beyond repair, we help you choose and install a high-performance replacement. We size it properly for your home, ensure it’s code-compliant, and walk you through proper maintenance to extend its life.

Water Heater Repairs

Water Heater Repairs

Experiencing inconsistent heat, strange noises, or discolored water? Our technicians quickly diagnose issues like sediment buildup, failed elements, or bad thermostats—and we offer affordable, reliable water heater repair in Montclair that extends your system's lifespan.

Water Heater Upgrades

Tankless Water Heater Upgrades

Enjoy endless hot water and reduce energy bills with a tankless water heater in Montclair. We install top brands and handle all gas, electrical, and venting requirements. We’ll also help you determine if your home is tankless-ready and worth the upgrade.

Water Filtration Installation

Water Filtration Installation

From carbon filters to UV purification and reverse osmosis systems, we offer clean water solutions tailored to your needs. Our water filtration Montclair services improve taste, remove contaminants, and protect your plumbing system from damage.

Water Softening

Water Softening & Scale Prevention

Hard water is common in Montclair, and it can reduce the lifespan of your appliances and water heater. We install softeners that prevent scale buildup, protect your fixtures, and reduce the need for harsh cleaning products.

Annual Maintenance

Annual Maintenance & System Checks

Every water system needs maintenance. We flush water heaters, inspect anode rods, clean filters, and ensure everything is running at peak performance—helping you avoid unexpected breakdowns and keep warranties valid.

Water Heater & Filtration FAQs – Montclair, CA

What size water heater do I need for my home?

It depends on your household size and usage. We’ll guide you toward the ideal water heater in Montclair, whether it’s a 40-gallon tank or a compact tankless unit for on-demand hot water.

Is Montclair water hard?

Yes—hard water is common in the area. Our water filtration in Montclair helps eliminate scale buildup, protect your appliances, and improve the feel and taste of your water.

What’s better: tank or tankless?

Tankless water heaters in Montclair are energy-efficient and last longer, but traditional tanks have a lower upfront cost. We’ll help you decide which is right for your home.

How long do installations take?

Most water heater or filtration system installations are completed in a single visit. We work efficiently and leave your space as clean as we found it.

Book Your Water Heater or Filtration Service in Montclair Today

Cosentino Plumbing brings reliable comfort and clean water to homes across the Inland Empire. If you need expert water heater installation or water filtration in Montclair, reach out now to schedule a service visit or request a free estimate. We’ll handle everything—start to finish.