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Plumbing Services

Tankless Water Heater Installation for Endless Hot Water

Quick answer

A tankless water heater heats water on demand as it flows through the unit, so you get virtually endless hot water without a storage tank. It saves space and can lower energy bills. System Wide Services installs new tankless systems and converts homes from tank units across Long Beach, LA County, and Orange County.

Prefer to talk? Calling is the fastest way to reach us. Same-day and 24/7 emergency service.

5.0 (88 Google reviews)5 out of 5 stars, based on 88 Google reviews Veteran & woman-owned Licensed & insured

(562) 269-4747

24/7 emergency service

Why choose us

  • Licensed plumbers experienced in full tank-to-tankless conversions
  • Upfront, flat-rate pricing that includes required gas, venting, and electrical work
  • Correct sizing so you actually get the endless hot water you are paying for
  • Code-compliant installs across Long Beach, LA County, and Orange County
(562) 269-4747
Noritz tankless water heater installed on an exterior wall with new copper and gas lines

Recent work

Noritz tankless water heater installation

A real plumbing project from our team across Los Angeles County & Orange County, California, done by licensed pros with upfront pricing.

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Overview

Tankless, or on-demand, water heaters have become a favorite upgrade for LA and Orange County homeowners who are tired of running out of hot water or want to reclaim the floor space a bulky tank eats up. Instead of keeping 40 or 50 gallons hot around the clock, a tankless unit fires only when you open a hot tap.

Converting to tankless is more involved than swapping a tank, and can require gas line, venting, and electrical adjustments, so it pays to hire a licensed plumber who sizes and installs it correctly. We handle the full conversion, including trusted tankless brands like Noritz, and give you an upfront, flat-rate quote before we start.

24/7 Emergency LineA real person answers day or night, we dispatch fast when you need us most.
Licensed & InsuredCSLB #1108115, every technician licensed, insured, and background-checked.
Upfront, Flat-Rate PricingYou approve a clear price before we start, never an hourly surprise.

12+

Years in business

5.0★

88 Google reviews

Veteran-Owned

& Woman-Owned

100%

100% Service Guarantee

Know the signs

Is a Tankless Water Heater Right for You?

  • 1You frequently run out of hot water with your current conventional tank
  • 2You want to free up the closet or garage space a tank occupies
  • 3Your household staggers showers and laundry to avoid running cold
  • 4You want lower monthly energy use and longer equipment life
  • 5Your existing tank is nearing the end of its life and due for replacement
  • 6You are remodeling or building and want an efficient, modern hot-water system
Call (562) 269-4747

How it works

Our Tankless Installation Process

  1. 1

    We evaluate your home's gas supply, venting, electrical, and hot-water demand to confirm tankless is a good fit and to size the unit correctly.

  2. 2

    You receive an upfront, flat-rate quote that includes any gas line, venting, or electrical upgrades the conversion requires.

  3. 3

    We mount and connect the unit, upgrade the gas line and venting as needed, and install everything to manufacturer spec and local code.

  4. 4

    We flush and test the system, then verify flow and temperature at your fixtures to confirm safe, reliable operation.

  5. 5

    We show you how to operate and maintain the unit, including the descaling that protects it from hard-water buildup.

Why System Wide Services

The plumbing team Long Beach & OC trust

We're a 5.0-star, veteran and woman-owned company serving Los Angeles County & Orange County, California. Same-day service, upfront pricing, and licensed pros on every job.

  • Licensed plumbers experienced in full tank-to-tankless conversions
  • Upfront, flat-rate pricing that includes required gas, venting, and electrical work
  • Correct sizing so you actually get the endless hot water you are paying for
  • Code-compliant installs across Long Beach, LA County, and Orange County
  • Veteran and woman-owned with a 5.0-star, 81-review track record

FAQ

Tankless Water Heater Installation questions

Answers to what homeowners ask most. Still unsure? Call (562) 269-4747, we're happy to help.

Are tankless water heaters worth it?

For many households, yes. Tankless units deliver on-demand hot water, take up far less space, and typically last longer and use less energy than tank models. The upfront cost is higher, especially with a conversion, but the space savings and efficiency often make it worthwhile. We give you an honest assessment.

How long does a tankless water heater last?

With proper maintenance, tankless water heaters often last 15 to 20 years, noticeably longer than the 8 to 12 years typical of tank models. Annual descaling is important in hard-water areas like much of LA and Orange County to prevent mineral buildup and protect that lifespan.

Do I need to upgrade my gas line for a tankless unit?

Often, yes. Tankless heaters fire at a much higher BTU rate than tanks, so many conversions need a larger gas line and dedicated venting to run safely. During our assessment we check your existing setup and include any required upgrades in your upfront quote.

Will a tankless water heater really give me endless hot water?

A properly sized unit provides continuous hot water for normal use, so you will not run out mid-shower. The key is correct sizing for your peak demand, meaning several hot fixtures running at once. We size the unit to how your household actually uses hot water.

Do tankless water heaters need maintenance?

Yes. The main task is periodic descaling or flushing to clear the mineral scale that hard water leaves inside the heat exchanger. In our region, an annual flush is a smart habit. We can show you the process or handle routine maintenance to keep the unit efficient.

Can you convert my tank water heater to tankless?

Absolutely, conversions are one of our specialties. We handle the gas, venting, electrical, and mounting work required to move from a tank to an on-demand system, then test everything and walk you through operation. You get one upfront, flat-rate quote for the whole conversion.

Reviews

Rated 5.0 by Long Beach & OC homeowners

We didn't just collect reviews, we earned a perfect average across every one. Here's what customers mention most.

5.0 (88 Google reviews)5 out of 5 stars, based on 88 Google reviews

Verified Google Business Profile rating

Fast, same-day response

Customers repeatedly note how quickly a technician arrives, often the same day, and around the clock for emergencies.

Mentioned in 5+ recent reviews

Friendly, respectful technicians

The most-mentioned strength: professional, courteous techs who treat your home with care.

Mentioned in 12+ recent reviews

Clear explanations of the work

Homeowners praise honest, upfront communication, you understand the problem and the fix before work starts.

Mentioned in 9+ recent reviews

Ready to get started with tankless water heater installation?

Same-day appointments and 24/7 emergency service across LA & Orange County. Call (562) 269-4747 or book online.

Prefer to talk? Calling is the fastest way to reach us.

Licensed & insured 24/7 emergency Veteran & woman-owned 100% Service Guarantee

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