Is it difficult to install a hot water heater?

Author: Darrion Hermiston V  |  Last update: Wednesday, June 18, 2025

Learning how to install a gas tank water heater can be a challenging process. 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.

Can I install a hot water heater myself?

It's possible to install a new water heater on your own but generally, not recommended. That doesn't mean it's not worth considering the pros and cons of a DIY-install versus a professional installation though.

Is a hot water heater hard to install?

It is not particularly difficult. However, it does require some knowledge and skill, especially if it is a gas water heater. If it is not done properly, it could be dangerous. Therefore, it should not be done by anyone who lacks the special knowledge required to do it safely.

Is it safe to install a water heater yourself?

Most mechanically inclined people should have no problem installing a hot water heater themselves. However If you are not at all experienced in basic electricity and plumbing including there respective codes then you shouldn't attempt to install an electric hot water heater.

How long does it take a professional to install 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.

Replace Your Water Heater Yourself in 10 Easy Steps

How much does Home Depot charge to install a water heater?

The Home Depot offers traditional water heater tanks and modern tankless units, both powered by either gas or electricity. Depending on your selection, the average cost for water heater installation is between $1,600 to $5,400.

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.

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.

Are you allowed to install your own 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 much does Lowes charge to install a 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.

Who is the best person to install a water heater?

However, we strongly recommend hiring a licensed plumber or water heater installer to handle the work. Licensed installers are far less likely to make a mistake during the installation, which means paying for the experience decreases your risk of a leak and other issues.

Can I replace a 40 gallon water heater with a 50 gallon?

The diameter of the 50 gallon unit is only 2” bigger than the 40 gallon model, and the other dimensions and venting requirements are identical. No venting or gas piping revisions are needed going up from one size to the other.

Should I get a tank or tankless water heater?

If your bank account can manage the higher initial cost of a tankless water heater, you'll save more money over time by choosing tankless. But, if you are on a fixed modest income, a storage tank water heater might make more sense for you. Discuss the two types of water heaters with your plumber to weigh your options.

Do I need a plumber to install a water heater?

As far as water heater installation, you should always call a plumber for assistance with this job.

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 long do hot water heaters last?

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.

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.

Is it hard to install a water heater yourself?

Installing a water heater isn't as simple as twisting and screwing a few tubes together to complete the project. Water heaters are usually connected directly to your home's plumbing and electrical systems. Installing all the necessary plumbing fittings can be quite complex.

Are gas or electric water heaters better?

Gas water heaters are typically more expensive to install than electric ones, use more energy, and tend to last shorter periods. Electric water heaters are cheaper to install but use less energy and last longer. Ultimately, the best choice for you will depend on your specific needs and budget.

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.

Why do plumbers charge so much to replace a water heater?

This is because the process of installing a new water heater can be quite complex and often requires the use of special tools and equipment. Additionally, the cost of labor for this type of project can be quite high.

What is the downside of a tankless water heater?

Before you commit to buying a tankless water heater, the primary drawbacks to know include: Higher upfront costs. Tankless water heaters are, on average, quite a bit more expensive to buy and install than tank water heaters. Access to fuel.

Who makes the best water heaters?

These are the three water heater brands ranked in the order of our preference:
  • American Standard.
  • Bradford White.
  • Rheem.

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