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Hawaii

Water Heaters (Hot Water Tanks)

Fast, reliable service – done right the first time.

Water heater installation on Hawaii by licensed plumbers who select energy-efficient units, install to code and haul the old unit away. Book online today.

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When a water heater has failed, is leaking, or has aged beyond its reliability, a proper installation gives you years of dependable hot water and a unit that passes inspection. At All Aloha Plumbing, our experienced team helps you choose the right unit, install it to code with proper venting and connections, and haul away the old one so the job is done safely and fully.

Why Code-Compliant Installation Matters More on Hawaii

A water heater installation on Hawaii is not just about connecting a new tank; it is about doing it to code in a place where the cost of hot water is unusually high, and both points deserve attention. Consider the cost first. The U.S. Energy Information Administration notes that households in Hawaii had the highest average residential electricity bills in the nation in 2024, at $213 per month, despite using the least grid electricity of any state.

The efficiency and correct sizing of your new unit greatly affect your bill. An oversized or poorly configured unit wastes expensive energy every day it runs. That is why we size the unit to your actual demand and help you weigh higher efficiency and tankless options against their cost, so the installation suits Hawaii’s rates rather than working against them.

Then there is code. New water heater installations on Hawaii generally require a plumbing permit and must meet current standards for venting, seismic strapping, relief valve discharge, and drainage. These requirements exist for safety: a gas unit vented incorrectly is a carbon monoxide risk, and a relief valve discharged improperly is a scald and pressure hazard. They also protect you when you sell, since undocumented or noncompliant work can surface during inspection.

We handle the permit and install to code because a water heater is one appliance where cutting corners carries real safety and resale consequences.

What Hawaii Customers Say About All Aloha Plumbing

Our reputation comes from responsiveness and same-day service. Here is what two Hawaii customers had to say.

Knowledgeable Team and a Satisfying Gas Install

Lahela Naki found our team pleasant, well spoken and knowledgeable, and was very satisfied with the efficient, polite technician who installed their gas water heater. In her words:

“Kawika was pleasant and well spoken and very knowledgeable. The technician who installed the gas water heater was efficient and polite. We are very satisfied and happy we have found your company. We give you 5 stars!”

Knowledgeable guidance paired with an efficient, tidy installation is the standard we hold on every water heater we put in. Read Lahela’s full Google review.

Same Day Install With Multiple Budget Options

Greg Crowell found everyone responsive and professional, from the first call through to the plumber, and we were the first company able to get out the same day. He was given several options at different price points, and the job included upgrading the shutoff valve and reworking the copper to fit the new configuration. In his words:

“Kawika presented me with multiple options to fit my budget, all resonably priced. He upgraded my shut off valve, extended my copper pipes to fit my new configuration, installed my water heater and disposed of my old water heater, all within 2 hours. Highly recommend this locally family owned company of highly responsive professionals! Mahalo guys!”

Offering clear options, installing same day, and handling the connection upgrades the job needs is exactly how we work. Read Greg’s full review on Google.

When to Replace Your Water Heater in Hawaii

Knowing when to replace rather than repair saves you from spending money on a unit near the end of its life. Replacement is the right move when the tank is leaking, the unit is beyond its expected lifespan of eight to twelve years, rust appears in your hot water or on the tank, or repairs are frequent and costly.

It is also the moment to consider an upgrade, whether to a larger capacity for a growing household, a higher efficiency model, or a tankless system.

We walk you through the options, including gas versus electric and tank versus tankless, and size the unit to your household so you neither run out of hot water nor pay to heat more than you need.

Why Hawaii Chooses All Aloha Plumbing for Installation

Founded in 2019 and serving Hawaii homes and businesses under Hawaii license CT-36812, we are a locally rooted team. Homeowners choose us because we size for efficiency, install to code, and handle the permit process, leaving no loose ends.

  • Professional installation of gas and electric tank water heaters
  • Proper sizing to match your household’s hot water needs
  • Safe, code-compliant installation by licensed plumbers
  • Upfront, transparent pricing before installation begins
  • Removal and disposal of your old water heater
  • Thorough system testing for reliable, efficient performance

Schedule Your Hawaii Water Heater Installation

Whether your old water heater has failed or you are upgrading before it does, a properly sized, code-compliant installation makes the investment last. We help you choose the right unit, install it to code with the permit handled, and haul the old one away.

We can also help with water heater repair if a fix is the better call, efficient tankless water heater installation, and 24/7 emergency repairs when a tank fails without warning.

Need Water Heaters (Hot Water Tanks) on Hawaii?

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Our Services

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Quick Answers

Good To Know

Should I replace my water heater or repair it?

If the tank is leaking from its body, showing rust, or well past ten years old, replacement is usually the better value. Repairs make sense for elements, thermostats, valves, and anode rods on a unit still within its lifespan. We assess the condition and give you honest, upfront options either way.

Do I need a permit to install a water heater on Hawaii?

Generally, yes. Water heater installations on Hawaii typically require a plumbing permit and must meet current code for venting, strapping, relief valve discharge, and drainage. We handle the permitting and install to code, which keeps the work safe and protects you when you sell your home.

What size water heater should I install?

It depends on your household’s hot water demand, how many fixtures run at once, and your fuel type. An undersized unit runs out of hot water, while an oversized one wastes expensive energy, which matters on Hawaii given the island’s high rates. We size the unit to your actual usage so it fits your home and your bill.

How long does a tank water heater installation take?

Most standard tank water heater installations can be completed in a single day. The exact timeline depends on the type of unit, any plumbing or venting upgrades required, and whether the old water heater needs to be removed.

Can I switch from a gas water heater to an electric model?

Yes. In many homes it is possible to convert from gas to electric or vice versa, depending on your existing utility connections and the home’s electrical or gas capacity. We will explain your options and recommend the best solution for your needs.

How can I extend the life of my tank water heater?

Regular maintenance, including flushing the tank to remove sediment and inspecting the anode rod and safety components, can improve efficiency and help extend the lifespan of your water heater. Routine service also helps identify small issues before they become costly repairs.

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Real Customers • Real Stories

What Our Ohana Says

5 star rating quote

“All Aloha came out super fast and fixed our leak the same day. Excellent service! These guys are real pros and treated my home with respect.”

HBM

Hawaii Bottle Man

Honolulu, Oahu

5 star rating quote

“They replaced our water heater quickly and left everything spotless. The crew showed up exactly when they said they would. Couldn’t ask for better.”

RC

Ray Cabanting

Kailua, Oahu

5 star rating quote

“Called at midnight with a burst pipe. They were here in 25 minutes and had it contained before the ceiling came down.”

TT

Thai Tran

Kapolei, Oahu

View All Reviews

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Proudly Serving

Three Islands. One Family.

From the North Shore to Hilo, we’re proud to bring honest plumbing with aloha to homes across Hawaii.

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Maui

Maui

Kahului • Lahaina • Kihei • Wailuku

Oahu

Oahu

Honolulu • North Shore • Kailua

Big Island

Big Island

Kailua-Kona • Hilo • Waimea

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Don't let a plumbing problem ruin your day. Our local crews are standing by across all three islands, same-day service, upfront pricing, and quality work guaranteed.

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