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Specialist plumber installing a new wall-mounted tankless water heater on the exterior garage wall of an Inland Empire home

Inland Empire Tankless Water Heater Installation — Done by Specialists

Tank-to-tankless conversion and first-time tankless installation across the Inland Empire. We handle unit sizing, permits, gas line, venting, and code compliance.

Typical pricing

$5,000–$9,000 per whole-home install (tank-to-tankless conversion)

Tankless-to-tankless replacement: $3,000–$5,500. Exact quote from virtual estimate.

Are you tired of being the last one to the shower and getting stuck with freezing water?

We totally get how frustrating that morning routine can be.

Finding a reliable expert for your Tankless Water Heater Installation shouldn’t be a headache.

Most local plumbers can hook up a new unit, but very few focus on them every single day.

That specialized daily practice changes everything.

It shows in how your gas line gets sized, how the PVC venting routes through your attic, and whether your final inspection passes on the first try.

Our professional service team built this entire company around doing one thing incredibly well.

Every single job is handled by an expert whose entire week is dedicated to high-efficiency systems from top brands like Rinnai, Navien, Rheem, AO Smith, and Bradford White.

Tankless installation across the Inland Empire, the specialist way

Specialist running gas line and venting work during a tank to tankless conversion at an Inland Empire home

A complete setup across Riverside and San Bernardino counties typically breaks down into two main categories.

Here is a quick look at what you can expect to invest for reliable hot water.

Installation TypeEstimated Cost RangeWhat’s Included
Whole-Home Conversion$5,000 - $9,000New unit, county permits, gas-line resize, exterior venting, and final commissioning.
Tankless-to-Tankless Replacement$3,000 - $5,500Swap existing unit, reuse current gas and venting infrastructure, and test the system.

What makes an install go smoothly

A clean, stress-free upgrade starts long before a truck ever pulls into your driveway.

We use a quick virtual estimate to make sure your home is actually a good candidate for the switch.

Some houses need specific exterior wall access, a larger gas meter, or a venting path that won’t damage the roof structure.

You simply text us a few photos of your current water heater setup.

Our team reviews your gas meter and the proposed wall space to confirm exact sizing and your total budget.

No one likes surprise charges on the day of the job.

When installation day arrives, a straightforward conversion usually takes between 4 to 8 hours.

We start by safely draining and removing your old, bulky tank.

Next, the installer mounts the new compact system and runs a brand-new gas manifold.

Many older Inland Empire homes run on 1/2-inch gas lines, which often need resizing to 3/4-inch to meet the high demands of modern units.

Riverside and San Bernardino counties have notoriously hard water, averaging 12 to 15 grains per gallon (GPG).

This mineral buildup can severely damage a heat exchanger in just a few years.

To protect your new investment, consider these local best practices:

  • Install an isolation valve kit: This hardware makes your yearly system flushing incredibly fast and easy.
  • Add a scale inhibitor filter: A simple pre-filter blocks damaging calcium from ever entering the unit.
  • Schedule annual descaling: Running a simple vinegar solution through the system clears out existing hard water deposits.

You will have a hot, relaxing shower waiting for you before the sun goes down.

Brands and the right unit for your home

Choosing the exact right system can feel overwhelming with so many options on the market.

We routinely install top-tier models like the Rinnai Sensei series, which is famous for its ultra-efficient condensing technology.

If you want instant hot water the second you turn the tap, the Navien NPE-A2 is a brilliant choice.

This specific model features a built-in NaviCirc recirculation pump, completely eliminating the dreaded cold water sandwich effect during back-to-back showers.

Your perfect match depends entirely on a few key details about your household.

Our specialists calculate your total bathroom count, your incoming gas service capacity, and your family’s daily routine.

Here is a quick look at how we size systems for local homes:

  • Standard Usage (8 GPM): A typical two-bathroom home with two adults runs perfectly on an 8 Gallon Per Minute mid-range unit.
  • High-Demand Usage (10 to 11+ GPM): A four-bathroom house with teenagers getting ready simultaneously needs serious heating power.
  • Condensing Upgrades: Larger homes benefit massively from higher-BTU condensing units to keep up with the morning rush.

We will sit down and explain all the math clearly during your free estimate.

You never have to worry about aggressive sales tactics or buying more machine than you actually need.

Permits, inspections, and SoCalGas rebates

Safety and strict code compliance are non-negotiable for any permanent gas appliance.

We handle all the frustrating local paperwork, pulling the exact permits required by Riverside or San Bernardino County.

A city inspector typically visits your property to sign off on the completed work within one to two business days.

This official inspection verifies your new venting clearance, confirms there are no gas leaks, and ensures everything meets strict California plumbing regulations.

Upgrading your home’s water heating also opens the door to some fantastic financial incentives.

Right now, taking advantage of these programs can significantly offset your upfront costs.

Here is a breakdown of the major savings you can stack:

  • The SoCalGas Rebate: Earns you between $600 and $1,000 for installing qualifying high-efficiency units.
  • Federal Tax Credits: Provides up to $600 back for Energy Star certified models under the Inflation Reduction Act.

We provide every single piece of documentation you need to claim this money.

The application process is straightforward, and a specialist will walk you through the forms step-by-step.

You are listed as the main applicant, but you will never have to hunt through confusing utility websites alone.

Are you curious to see what your exact project would cost?

Send us a few quick photos for a free, zero-obligation virtual estimate.

There are no hidden truck-roll fees and absolutely no high-pressure sales calls to deal with.

What's included

  • Free virtual estimate — no in-home truck roll required
  • Unit sizing based on home demand (bathroom count + simultaneous use)
  • Permits and code compliance handled end-to-end
  • Gas line and venting assessment included
  • Rebate paperwork support (SoCalGas)
  • Same-day install start once estimate is confirmed

Recent work

Newly installed Navien tankless on exterior wallSpecialist measuring gas pressure before conversionTank-to-tankless conversion side-by-side comparisonSpecialist walks homeowner through completed install

Our process

1

Request a Free Virtual Estimate

Send photos of your existing water heater, gas meter, and venting path. We review and quote within 24 hours, no truck roll required.

2

Specialist Confirms the Scope

A vetted tankless-only plumber confirms unit sizing, gas line, and venting needs. You get a real number before anyone arrives on site.

3

Same-Day Install Start

Once the estimate is signed off, work begins the same day. Permits, install, commissioning, and a homeowner walkthrough — typically 4–8 hours.

Why Empire Tankless

Tankless-Only Focus

Every plumber we send installs tankless every day. No HVAC sideline, no general-plumbing improvisation.

Honest Sizing

We right-size on GPM for your real demand. No oversold premium units, no undersized regrets.

Code-Compliant Permits

Permits pulled and inspections scheduled in Riverside and San Bernardino counties as part of the quote.

What our customers say

★★★★★

"Empire Tankless transformed our morning routine — no more cold-water surprises mid-shower. The virtual estimate was accurate, the install was clean, and the plumber clearly does nothing but tankless. Couldn't recommend more."

Mark P.

Riverside, CA

★★★★★

"I shopped three plumbers for our tank-to-tankless conversion. Empire Tankless was the only one that actually understood condensing vs non-condensing and walked us through the SoCalGas rebate. Worth every dollar."

Robert F.

Ontario, CA

Get your free virtual estimate today

No truck-roll fee. 24-hour quote turnaround. Same-day service across the Inland Empire.

1-year labor warranty on installs · 90-day warranty on repairs · Free estimates, always

Frequently Asked Questions

How much does tankless installation cost in the Inland Empire?
Most whole-home gas conversions run $5,000–$9,000 installed. Replacements of existing tankless units run $3,000–$5,500 because gas and venting are already in place. Your free virtual estimate gives you a real number, not a vague 'it depends.'
How long does the install take?
Most straightforward conversions complete in 4–8 hours, with hot water back the same day. Complex jobs (gas line upgrade, new venting path) can extend into a second visit, which we'll flag during the estimate.
Do you handle the SoCalGas rebate paperwork?
Yes. We document the install for SoCalGas rebate submission and walk you through the application. Typical rebates run $600–$1,000 for qualifying high-efficiency units.
What brands do you install?
Rinnai, Navien, Rheem, AO Smith, and Bradford White. We install both condensing and non-condensing units and will recommend the right fit based on your home and gas service.

Related guides

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