How long does it take to replace a water heater?

Author: Dr. Broderick Koch Sr.  |  Last update: Monday, June 29, 2026

For a standard water heater replacement, installation usually takes between 2 to 3 hours. The technicians will remove the old unit, install the new one, and ensure everything is connected and working perfectly.

How long does it take to remove and replace a hot water heater?

Once you decide to (or are forced to) replace your current water heater, there are a few decisions you need to make to get the process started. If there are no issues or complications, a licensed plumber should be able to complete the process in 2-3 hours.

How many hours does it take to install a hot water heater?

Water Heater Installation

Installing a new water heater usually only takes 2 to 3 hours. Keep in mind that if you are switching from a tank water heater to a tankless water heater or vice versa, it could take a little longer.

What is the labor cost to install a hot water heater?

Labor Cost to Install Water Heater

In general, plumbers cost $45 to $200 per hour, while electricians cost $50 to $100 per hour. Expect the following average price ranges for labor alone: Replacing a tank-style water heater: $150–$450. Replacing a tankless water heater: $600–$1,850.

How long does it take for a brand new 40 gallon water heater to heat up?

Electric hot water tanks, on the other hand, will take a little longer. For an average 40-gallon electric heater it will take about 60 to 80 minutes and for an 80-gallon tank about 2 hours.

When Should A Water Heater Be Replaced?

How many showers can you get out of a 40 gallon water heater?

For instance, a typical shower uses about 10 gallons of hot water. So, if you have a 40-gallon hot water tank, you should be able to get four average-length showers out of your hot water tank. This also depends on how much hot water you use for other things.

What to do after installing a new water heater?

What Next After a New Water Heater Installation?
  1. Step 1: Fill the Tank. The most important step is to fill the tank. ...
  2. Step 2: Run the Water. Once the water fills the tank, the next thing to do is to run the pipes to help clear unwanted debris from the system. ...
  3. Step 3: Monitor the Heater. ...
  4. Step 4: Maintenance.

Why is installing a water heater so expensive?

Newer models require specialized tools and training to install, and the associated labor costs can add up quickly, making the total cost of the water heater higher than you expected.

How much does Lowe's charge to install a hot water heater?

The price depends on whether you want an electric or gas water heater. The basic installation fee at Lowe's is around $320. But, before the contractor can set up the heater, they'll need to come to your home to check the conditions and determine the best location for it. This inspection will cost you an additional $34.

Does Home Depot install water heaters?

The Home Depot partners with local, licensed and insured professionals to help homeowners choose the right water heater for their home. If you live within 30 miles of a Home Depot store and call us before noon at 1-800-HOME-DEPOT, our team offers same-day installation.

How long does a 50 gallon water heater take to get hot?

50-gallon gas water heater – typically takes up to 40-50 minutes to heat 40-degree water to 120 degrees. 80-gallon gas water heater – typically takes up to 60-70 minutes to heat 40-degree water to 120 degrees.

How much should I spend on a water heater?

Naturally, tanks that heat more gallons of water typically have a higher price point, so the larger the tank size, the more you can expect to pay. For example, the average 40-gallon water heater installation cost runs between $1,000 and $2,500, while its 80-gallon counterpart runs between $2,650 and $3,910.

How much does it cost to remove and replace a 50 gallon water heater?

The average cost to replace a 50-gallon water heater is $700 to $1,800 for an electric unit or $1,000 to $3,100+ for a gas unit, including labor. A 50-gallon water heater costs $500 to $2,100 for the unit alone, depending on the fuel type, energy efficiency, features, and brand.

Does a plumber have to replace a hot water heater?

It is legal for you to install a water heater yourself or to use an unlicensed plumber to install it. However, it's not a good idea. First of all, you will still need to pull a permit and have the installation inspected no matter who does the work.

How long does it take to install a toilet?

Replacing a toilet is a straightforward task for a professional plumber. On average, it takes about two to three hours to remove the old toilet and install the new one.

Can I install a water heater myself?

Do not attempt installing a gas water heater yourself unless you're experienced and comfortable with soldering, working with natural gas and following local installation codes. Save yourself the hassle with our gas water heater installation services which include removal of the old water heater.

What is the life expectancy of a water heater?

While today's water heaters are better designed than older models, they still require regular maintenance in order to prolong their lives. With regular inspection, draining, and flushing, you can expect a gas water heater to last anywhere from 8-12 years and an electric water heater to last anywhere from 10-15 years.

How long does it take to install a 40-gallon hot water heater?

How long does it take to install a 40-gallon hot water heater? For tank-to-tank installation, anticipate up to three to four hours.

Does homeowners insurance cover a water heater?

Whether or not homeowners insurance covers water heater leaks depends on the specific circumstances of the leak and the terms of your policy. In general, if the leak is sudden and accidental, and not caused by your negligence, your policy will likely cover the cost of repairs.

Should I replace my 20 year old water heater?

Absolutely! After 20 years, your tank water heater is well past its life expectancy. If you have a tankless water heater, it's approaching its life expectancy. At this point, you should expect additional repairs from wear and tear.

Can a water heater make your bill go up?

It is certainly possible for a water heater to increase your utility bill. Several factors can reduce the efficiency, including a unit that is too small, too old, bad water, or an incorrectly set thermostat can increase the energy bill. Leaks and long pipes can increase your water usage.

What happens before a hot water heater goes out?

A water heater making strange noises could be a sign that the unit is beginning to fail. These sounds may include popping, banging, or even rumbling. Hot water heater noises are usually caused by sediment build-up on the bottom of the tank. When this happens, it can cause the unit to overheat and eventually fail.

How often do you have to flush a new water heater?

Flush your water heater every six months or so. If you have harder water, or water that contains more minerals, you may want to flush it more often. If you leave town, change your water heater to its vacation setting.

What not to do when installing a water heater?

Common Mistakes to Avoid when Installing Water Heaters
  1. Soldering of Pipes. It would be almost impossible to forego of soldering of pipes to establish a connection between the tank and the water line. ...
  2. Incompatible Metal Connections. ...
  3. Relief Valve. ...
  4. Safety Precautions. ...
  5. Call Scott English for Water Heater Services!

Previous article
Will plywood warp in garage?
Next article
Does Fusarium wilt stay in soil?