Tankless Water Heater Installation in Orange County, CA

On-demand tankless water heater installation in Santa Ana and Orange County. Gas line upgrade, direct vent or power vent, recirculation. Premium upgrade.

  • Gas line upgrade and venting included
  • Recirculation options for instant hot water
  • License #1142923 · Nautilus insured

What Is Tankless Water Heater Installation?

Tankless (on-demand) water heaters heat water only when you call for it, so they can save space and energy compared to a tank. Gas tankless units in Orange County often need a larger gas line (e.g., 3/4") and proper venting (direct vent or power vent). We install major brands and size the unit for your home. Recirculation options can give you instant hot water at the tap.

Why Choose White Glove Plumbing for Tankless Water Heater Installation

Why Choose Us

We size and install gas tankless units and handle gas line upgrades, venting, and electrical for the unit. We pull permits and coordinate inspection. License #1142923, Nautilus insured. We serve Santa Ana and all of Orange County with upfront quotes.

License #1142923 (CSLB). Gas and venting work is permitted and inspected. We are insured through Nautilus. Installations meet California and local Orange County building code.

Common Tankless Water Heater Installation Scenarios

Replace tank with tankless

New construction or major remodel

Add recirculation for instant hot water

High-BTU unit for large home

Our Tankless Water Heater Installation Process

Flow-Rate Analysis & Unit Selection

We calculate your home's peak hot-water demand based on fixture count and simultaneous usage, then recommend a unit with the right GPM and BTU rating for your needs.

Gas & Electrical Preparation

If needed, we upsize the gas line and add a dedicated electrical circuit for the unit's control board, ensuring the infrastructure supports the new system before installation begins.

Unit Mounting & Connection

The tankless unit is securely mounted, connected to hot and cold water lines with isolation valves and a service port kit, and vented through the roof or wall per manufacturer specifications.

Commissioning & Owner Training

We fire the unit, verify temperature rise at multiple fixtures, program the digital controls, and walk you through the annual maintenance flush schedule to protect your investment.

What's Included

  • Tankless unit sized for your home
  • Gas line upgrade when required (e.g., 3/4")
  • Direct vent or power vent installation
  • Recirculation option for instant hot water
  • Permit and inspection
  • Old tank removal if applicable
  • License #1142923 · Nautilus insured

Costs & Timelines — What to Expect

Tankless installation cost depends on unit size, gas line work, venting route, and recirculation. We quote after a site visit. Permit and inspection are included. Call for a quote in Santa Ana and Orange County.

Methods, Materials & Quality Standards

We install gas tankless units from major brands (e.g., Navien, Rinnai, Noritz). We run or upgrade gas lines to support high-BTU units (e.g., 199,000 BTU) and install direct vent or power vent per code. Recirculation can be dedicated return line or crossover valve. All work is permitted.

License #1142923 (CSLB). Gas and venting work is permitted and inspected. We are insured through Nautilus. Installations meet California and local Orange County building code.

Tankless Water Heater Installation — Frequently Asked Questions

Many tankless units need a 3/4" gas line. We check your existing line during the assessment. If it is 1/2", we quote the upgrade as part of the install.

Direct vent uses outside air and vents through the wall. Power vent uses indoor air and vents horizontally with a fan. We recommend based on your layout and code.

Yes. We can install a dedicated return line and pump or a crossover valve under the sink for instant hot water. We quote the option that fits your home.

Yes. We install major brands including Navien, Rinnai, and Noritz. We size the unit for your Orange County home and handle gas, vent, and electrical.

SERVICE AREAS

Tankless Water Heater Installation Near You

White Glove Plumbing provides tankless water heater installation throughout Orange County and surrounding communities.

Related Water Heater Services Services

OUR SERVICE AREA

Proudly Serving All of Orange County

Address:1430 E Borchard Ave, Santa Ana, CA 92705Phone:(949) 209-5206Hours:Open 24/7Email:office@whitegloveplumbingca.com

White Glove Plumbing is Santa Ana-based and available Open 24/7 for residential and commercial plumber across Orange County. We handle Emergency Plumbing, Drain & Sewer Services, Water Heater Services, Water Treatment, Sewage & Waste Services and Pipe & Fixture Services — fast, professional, and backed by strong warranties.

Our expert plumber technicians serve Aliso Viejo, Anaheim, Brea, Buena Park, Costa Mesa, Cypress, Dana Point, Fountain Valley, Fullerton, Garden Grove, Huntington Beach, Irvine, La Habra, La Palma, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna Woods, Lake Forest, Los Alamitos, Mission Viejo, Newport Beach, Orange, Placentia, Rancho Santa Margarita, San Clemente, San Juan Capistrano, Santa Ana, Seal Beach, Stanton, Tustin, Villa Park, Westminster, Yorba Linda, and the surrounding neighborhoods.

Let's Start a Conversation

Book Your Free Consultation Call Now

Contact us:

Call (949) 209-5206

Hours: Open 24/7

office@whitegloveplumbingca.com

1430 E Borchard Ave, Santa Ana, CA 92705