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New Water Heater, Done Right

Water Heater Installation in Norwalk & La Mirada, CA

Whether you’re replacing a failing tank or upgrading to an energy-efficient tankless system, our licensed technicians handle the full installation including permits and inspections.

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Getting a New Water Heater the Right Way

Installing a water heater sounds straightforward, but the details matter: correct sizing, proper venting, seismic strapping (required in California), correct temperature-pressure relief valve installation, permit compliance, and—for gas units—verified leak-free gas connections. A water heater installed without a permit can create problems when you sell your home or make an insurance claim. We pull every required permit and coordinate the city inspection so your installation is fully code-compliant.

Sizing is the most commonly overlooked factor in water heater replacement. Many homeowners simply replace their old 40-gallon unit with another 40-gallon unit without considering whether family size, usage patterns, or the addition of a new bathroom have changed their hot-water needs. We ask the right questions before recommending a unit. For most Norwalk families, a 50-gallon high-efficiency unit or a properly sized tankless system provides a meaningful improvement in hot-water availability without wasting energy.

We carry and install units from the industry’s most trusted brands including Rheem, Bradford White, A.O. Smith, and State. Most standard tank replacements can be completed in two to four hours. Tankless installations take longer due to venting and potentially gas-line work, but our crews are experienced with both and can often complete the same day you call.

How It Works

Our Water Heater Installation Process

Step 1: Selection and Sizing

We recommend the right tank size (in gallons) or tankless flow rate based on your household size, number of bathrooms, and hot-water usage habits. We’ll also explain the efficiency ratings, fuel type options, and expected energy cost differences between models.

Step 2: Permit Application

California requires a permit for water heater installations. We submit the permit application, typically receive same-day or next-day approval for standard residential units, and schedule the city inspection to coincide with our installation appointment.

Step 3: Old Unit Removal

We safely disconnect and remove the old water heater, properly disposing of it in accordance with local regulations. We inspect the existing connections, gas lines, water supply lines, and drain pan before installing the new unit.

Step 4: Code-Compliant Installation

The new unit is installed to California Plumbing Code standards including seismic strapping, an expansion tank (required for closed systems), a new temperature-pressure relief valve and discharge line, and verified gas or electrical connections. All venting is inspected and updated as needed.

Step 5: Inspection and Commissioning

The city inspection is completed (or we schedule it for the next available slot), and we light the unit, set the temperature to 120°F (the recommended setting to prevent scalding and legionella growth), and confirm proper operation at every hot-water fixture before we pack up.

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No trip fees, no hidden charges. Our licensed technicians provide upfront pricing before any work begins.

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Same-day service available · Family-owned since 1958

Common Questions

Water Heater Installation FAQs

A standard 50-gallon gas tank water heater, installed and permitted, typically runs $950 to $1,500 depending on the model and any required upgrades to the gas line, venting, or expansion tank. Tankless installations run $1,800 to $3,500. We provide free estimates before any work begins.

A standard tank-to-tank replacement takes 2 to 4 hours. A tankless installation, especially if gas-line or venting upgrades are required, typically takes 4 to 8 hours. We confirm the timeline when we schedule your appointment.

Yes. California requires a permit for water heater installations, including like-for-like replacements. The permit ensures the installation is inspected for code compliance. We handle the permit and the inspection as part of every installation.

A common rule of thumb is 10 to 15 gallons per person for tank heaters. A family of four typically needs a 50-gallon tank. However, the first-hour rating and recovery rate matter more than raw tank size for predicting real-world performance. We size the unit based on your actual usage patterns.

Yes, and we recommend it for most homeowners replacing a unit. The higher upfront cost is typically recovered in energy savings within 5 to 8 years, and the 20-plus year lifespan of a tankless unit makes it a sound long-term investment. We handle all required gas-line and venting modifications.

Need a New Water Heater? We Can Install It Today

Same-day installs available. Permitted, inspected, and backed by our satisfaction guarantee. Serving Norwalk and La Mirada since 1958.