Tankless water heater cost with installation

Looking for tankless water heater cost with installation in Arlington, TX? Call WaterHeater Direct for a contact a provider — no obligation. Licensed plumbers serve Arlington and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

Need help right now? If your water heater is leaking, flooding your floor, or has stopped working entirely, do not wait. Water damage happens fast and can get expensive quickly. Turn off the water supply to the unit if you can safely reach the valve. Then, give us a ring right away. Licensed, independent service providers serve your area — call now for a contact a provider. (978) 759-4817

What affects the price

Replacing a water heater involves several variables that change the final bill. The main factors are the type of unit you choose—like standard tank models versus tankless systems—and the fuel source, whether gas or electric. Installation complexity also plays a role, especially if we need to update venting, gas lines, or electrical wiring to meet current building codes. Relocating a unit or upgrading to a higher capacity will also shift the bottom line.

About this service

This covers the price of the tankless unit itself plus the labor to install it. Factors like moving the unit to a new location, upgrading your gas supply pipe, or installing specialized venting will shift the total. We evaluate your specific setup to provide a clear estimate. Exact pricing confirmed free on the call.

Frequently asked in Arlington

How long do hot water heaters typically last?

Typically, tank water heaters last about 10 to 15 years, while tankless units can go up to 20 years or more. Factors like water quality and maintenance play a big role in their lifespan in Arlington. Regular checks can help extend their life.

What is the average cost of putting in a water heater?

What is the most efficient type of water heater?

Tankless water heaters are generally the most efficient, heating water only when needed, which saves energy. Heat pump water heaters are also highly efficient options. The best choice for your Arlington home depends on your usage patterns.

What are signs I need a new water heater?

Common signs include insufficient hot water, strange noises like popping or rumbling, discolored water, or leaks around the unit. If your water heater is over a decade old, it might be time to consider replacement. These are important signals for Arlington residents.

What is the most common problem with a hot water heater?

Frequent issues include malfunctioning heating elements, thermostat problems, or sediment buildup that reduces efficiency and causes noise. Leaks are also a common concern, particularly with older units. Addressing these promptly is key.

Is it worth it to repair a water heater?

Repairing a water heater is often a good option for smaller issues like a faulty thermostat or a pilot light problem, especially if the unit is still under warranty or less than 10 years old. However, if the tank is leaking or significantly corroded, replacement is usually more cost-effective.

Also serving nearby: Grand Prairie · Fort Worth · Irving · Dallas · Carrollton

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More on this: DOE water heating — efficiency and sizing.

Service area details

398,431residents

4,157per sq mile

8ZIP codes served

Serving all of Arlington — population 398,431; about 4,157 residents per square mile across 95.8 sq mi. ZIP codes covered include 76001, 76002, 76003, 76004, 76005, 76006, 76007, 76010.

Neighborhoods served in Arlington: Downtown Arlington, East Arlington, South Arlington, North Arlington, Pantego, River Legacy Parks — and every surrounding area.