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

Avatar for SOUTHERN PLUMBING AND ELECTRICAL COMPANY, INC.
SOUTHERN PLUMBING AND ELECTRICAL COMPANY, INC.
4.1(
28
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Repair+3 more

Serving Williston, SC and surrounding areas

In business since 1987

Emergency services offered

Small jobs welcome

At Southern Plumbing & Electrical we believe in providing the highest quality services in the Aiken-Augusta areas, completed by experienced, friendly technicians. With almost four decades of service, you can trust the reputation and experience of Southern Plumbing & Electrical, Inc.

Recommended by64%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Williston, SC and surrounding areas

In business since 1971

Credit card accepted

"We pay yearly but we have this is included with our rental property. They are pretty good on most things. We had a hot water heater replaced and they did an excellent job on that. They are very quick on their response. They dont come out here. It is all done on the internet.  I just like the idea that one time service charge is so much better than trying to hiring someone to come in. It is more about convenience. It pays for itself."
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+2

Recommended by65%of homeowners
wendell johnson plumbing service
New to Angi
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Williston, SC and surrounding areas

In business since 2012

Free estimates

Credit card accepted

Andre Ingram, owner/operator of Johnson Plumbing Service, LLC, is serving your area with over 14 years of experience. For large or small jobs, call Andre today for a job done right. He will treat your repair or improvement projects as if they were on his own home.

Avatar for Southeast Plumbing & Gas, LLC.
Southeast Plumbing & Gas, LLC.
New to Angi
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Williston, SC and surrounding areas

In business since 2019

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Response time5 hrs
Owens Plumbing
New to Angi
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Williston, SC and surrounding areas

In business since 2013

Free estimates

Credit card accepted

Owens Plumbing is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

David Kneece's Plumb
New to Angi
Tankless Water Heater - InstallWater Heater - Install or Replace

Serving Williston, SC and surrounding areas

In business since 2015

Free estimates

Offers commercial services

David Kneece's Plumb is a locally owned and operated company that values honesty and integrity, and treats your home as if it were our own. We offer a variety of quality plumbing services. You will find us to be competitively priced, with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction. Call David Kneece's Plumb today!

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Water Heaters FAQs, answered by experts

Gas water heaters last between eight and 12 years on average. You can help them reach their maximum lifespan with regular cleanings, maintenance, and professional checkups, though don’t hesitate to swing for a full replacement if the total cost of repairs is greater than that of purchasing and installing a new unit. 

Yes, most municipalities have codes that require water heaters to have pans. A pan is necessary when a water heater or hot water storage tank is installed in an area where water leakage could cause damage, such as an attic, second floor, or finished basement. Tankless water heaters are not required to have a pan since there is no storage tank.

When replacing an old unit, you might want to switch from a gas water heater to an electric water heater or vice versa. To do this, you will likely need to add infrastructure to the area. For example, you likely don’t have a gas line that served your old electric water heater. You’d have to call a plumber to put in a new gas line. If you’re replacing a gas unit with an electric one, the plumber will need to safely cap the old gas line. You will then need an electrician to add wiring for the new electric unit.

Basements, specifically those without any air conditioning, are the best location for a hybrid water heater. These rooms are less likely to experience extreme temperature fluctuations, which can affect your hybrid water heater’s efficiency and performance. Basements often have more than enough space for their tanks and proper air circulation. Hybrid water heaters can also be a bit noisy, but putting them in your basement will keep the noise away from your main living areas.

Typically, only a high-efficiency water heater with an inducer fan can be vented outside the house. Otherwise, your water heater needs to be installed on the inside and vented through the roof. However, certain areas may allow a standard-efficiency water heater to be vented outside. Check your local building codes to be sure.

The Williston, SC homeowners’ guide to water heater services

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