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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon18
    Verified water heater services reviews

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

Thompson & Thompson Plumbing & Heating, LLC
4.6(
256
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+1 more

Serving Pooler, GA and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

At Thompson and Thompson Service Were dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company is built on honesty and integrity. We specialize in central A/C and cooling systems as well as heating and furnace systems. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. \n

145 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Guy Boyd Plumbing LLC
Guy Boyd Plumbing LLC
4.3(
50
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Install - For Business+4 more

Serving Pooler, GA and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Team was very knowledgeable and skilled at installing a whole house Rinnai tankless water heater with recirculating pump. Very accommodating and pleasant to work with. Would strongly recommend using this company for any plumbing needs. Pricing was very reasonable."
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8 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Mr Rooter Plumbing of Savannah
Mr Rooter Plumbing of Savannah
5.0(
7
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Pooler, GA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

Mr. Rooter Plumbing of Savannah proudly serves our customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!

Response time10 hrs
5 neighbors recently requested a quote
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Water Heaters FAQs, answered by experts

No. Expansion tanks must be installed on the supply side (where heated water flows out) of the boiler. There’s also a list of other requirements for most boilers, including being above the pressure relief valves, being on the inner side of any circulator, and more. Your installation manual should have more information on expansion tank installation requirements and what sort of tank the system is made for.

If you're replacing a broken water heater, now is a great time to make sure you're selecting a unit that has the right capacity for your household. According to the U.S. Department of Energy, a small 50-gallon to 60-gallon tank is sufficient for households with one to three people. A medium-sized 80-gallon tank is considered ideal for three to four people. A larger tank may be needed if your household has four to six people.

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 amount of time it takes to replace an electric water heater will depend on the skill level of the individual who is replacing it. For example, if you replace it yourself–and you don’t have much experience–you can expect the project to take a full day. 

However, if you have a certified plumber or water heater contractor install your new water heater, it can take as little as 2 to 3 hours.

In most municipalities, a license is not mandatory for water heater installation or replacement. 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. You can use our state licensing tool to find out if a contractor you’re considering in your area holds a plumber’s license.

The Pooler, GA homeowners’ guide to water heater services

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