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TRUSTED BY LEANDER, TX HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon497
    Verified water heater services reviews

Top-Rated Water heater pros in Leander - Updated Nov 2026

Avatar for Excalibur Plumbing
Excalibur Plumbing
4.7(
2,230
)
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+2 more

Serving Leander, TX and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"EXCELLENT CUSTOMER SERVICE Eddie visited our house the very day we called about our water heater. He came out, inspected the very tough location where the water heater is located and delivered an estimate with 3 options on the spot. We decided which direction to go and let Eddie know at which time he promptly scheduled our installation. On the day of install he arrived when he said he would, put down every type of floor protection you can imagine and proceeded the very difficult task of manipulating a 50 gallon water heater out of a small closet 10 feet up in the air. He worked with his partner to remove the old one, replumbed and installed the new one, again in a very tight space. Eddie ran all new venting to the outside, added electronic monitoring, and crawled under the house several times to make certain the drains were all functioning properly. We could not ask for better service and the attention to detail was amazing. This is our second experience with Excalibur Plumbing and they have both been wonderful experiences. Great customer service!!!!"
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+5

Response time1 day
Recommended by92%of homeowners
Avatar for Cold is on the Right Plumbing
Cold is on the Right Plumbing
4.8(
163
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Leander, TX and surrounding areas

Approved

In business since 2010

Emergency services offered

Warranties offered

"Fantastic. Everyone at Cold Is On The Right, from Kari in the office to Billy in the field, is terrific. Our job was complicated: remove two conventional hot water heaters, one of which was in the attic, and replace them with a tankless system. In addition, our house had two separate water loops, which need to be merged into one. Cold Is On The Right did everything on-time and on-budget. They're professional in every way. I recommend the company unreservedly and count myself a customer for life. Jeff Bowden, Austin."
Recommended by96%of homeowners
Avatar for 1-800-Plumber + Air of Round Rock
1-800-Plumber + Air of Round Rock
5.0(
18
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+5 more

Serving Leander, TX and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"We recently had Colin install our new water heater, and the experience was truly excellent from start to finish. He was friendly and patient, taking the time to walk us through the process and explain the new unit. What stood out most was the detail-oriented nature of the work; everything was installed perfectly. When the job was complete, the work area was meticulously cleaned up. The new water heater is working perfectly, and we are very satisfied. We would absolutely call 1-800-Plumber+Air again for any future plumbing needs."
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Response time5 hrs
Response rate100%
7 neighbors recently requested a quote
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Water Heaters FAQs, answered by experts

Most hot water heater manufacturers recommend replacing the anode rod about once every three to five years. Anode rods sacrifice themselves by collecting iron, limestone, and other minerals that would otherwise corrode your hot water heater tank. This abuse wears them out long before your water heater does. Check the rod when you remove it and replace it if more than 50% of the metal has been consumed. Check the rod more frequently if you have hard water or use a water softener. 

You can use multiple tankless water heaters, but that doesn’t mean you should. Adding multiple tankless heaters adds considerable cost to your home in both parts and installation costs. Also, you’re adding many more points of failure in the system, making plumbing issues harder to diagnose. More heaters mean more maintenance, and insurers may want a word regarding the increased risk of water damage. A single, larger unit makes more sense in most situations.

It is very difficult and dangerous to install your own water heater, so we strongly recommend against tackling this as a DIY project. Not only will you need to wire your water heater, but you’ll also need to connect plumbing to the intake and outlet. Sweating copper pipes and connecting wiring properly are skills most DIYers don’t have, and even if you do feel confident you can do it, working with water and electricity always leaves the potential for electrocution. Hiring a local water heater installer is well worth the investment.

The time it takes to install or replace a water heater depends on the type of heater and the complexity of the job. A professional can typically replace a standard tank-style water heater in one to three hours. However, if the work area is tight, such as a small closet or crawl space, the job could take four to five hours. Replacing an existing tankless unit takes about two to three hours, while upgrading from a tank-style to a tankless water heater is more complex and can take four to six hours. The project will take longer if you are switching fuel sources, such as installing a gas heater which can add about an hour to the timeline, or if the unit needs to be relocated.

The chemicals in a water softener can wear down the anode rod in the heater and shorten its life span. However, for most people, the benefits of the softener outweigh this potential drawback.

Have a plumber inspect the anode rod annually for damage, as replacing the anode rod is far less expensive than replacing the entire water heater.

The Leander, TX homeowners’ guide to water heater services

From average costs to expert advice, get all the answers you need to get your job done.