Water Heaters & Filtration in Ontario, CA

Better Water Starts Here—Clean, Reliable, and Ready When You Need It

Whether you’re dealing with cold water, mineral buildup, or a failing heater, Cosentino Plumbing offers expert water heater and filtration services in Ontario that bring comfort and efficiency back to your home. We install, repair, and replace both traditional and tankless water heaters—and we design custom water filtration solutions that protect your plumbing and improve your water quality at every tap.

Full-service hot water heater installation in Ontario

Tank and tankless water heater upgrades

Complete water filtration Ontario systems

35+ years of trusted plumbing service

Why Ontario Homeowners Choose Cosentino Plumbing

  • Water Heaters That Keep Up With Your Needs

    From 40-gallon tanks to high-efficiency tankless water heaters in Ontario, we install units that fit your family’s hot water needs and energy goals. We’ll help you choose the right system and handle everything from removal to final testing.

  • Water Filtration That Solves Real Problems

    Ontario’s water can include chlorine, sediment, or mineral content that affects taste and harms pipes. Our water filtration systems in Ontario are customized to your home’s water source and plumbing design—so you get cleaner water and less maintenance.

  • No Guesswork—Just Clear Options and Fast Installation

    We explain your options side-by-side and provide fair pricing upfront. Whether you're replacing an old heater or adding a new softener system, we get it done right, on schedule, and up to code.

Our Water Heater & Filtration Services in Ontario

Cosentino Plumbing offers comprehensive water system upgrades designed for real-life use. We install reliable heaters and filtration setups that protect your plumbing, improve efficiency, and deliver long-term comfort and peace of mind.

Tank and tankless water heater installation in Ontario

Water heater maintenance, flushes, and part replacement

Whole-house filtration and softening systems

Sediment, chlorine, and odor reduction

Thermal expansion tanks and recirculation systems

Code-compliant upgrades and pressure balancing

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 Ontario 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 Ontario. 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 Ontario services improve taste, remove contaminants, and protect your plumbing system from damage.

Water Softening

Water Softening & Scale Prevention

Hard water is common in Ontario, 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 – Ontario, CA

How do I know if my water heater needs to be replaced?

Leaking, discolored water, inconsistent temperatures, or a heater over 10 years old are signs it's time. We provide fast hot water heater installation in Ontario with energy-efficient options that match your home..

What’s the benefit of a tankless water heater?

Tankless water heaters in Ontario give you unlimited hot water, reduce energy usage, and last longer than traditional tanks. They’re great for families or anyone upgrading an older system.

Will a filtration system fix my hard water problem?

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Can I install both systems at the same time?

Absolutely. Many customers pair a new water heater with a filtration system for complete water quality and comfort. We’ll help you plan it all in one streamlined installation.

Schedule Your Water Heater or Filtration Service in Ontario Today

Don’t settle for cold showers or poor water quality. Cosentino Plumbing provides expert water heater installation and water filtration in Ontario, backed by decades of local experience and honest service. Call now for a free estimate or to schedule your upgrade—we’re ready when you are.