Trusted Plumber in Hilton Head, SC for Every Home

TNT Service Group brings licensed, five-star plumbing service to Hilton Head Island and the surrounding Lowcountry, with honest pricing and help around the clock.

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Rated 5 out of 5

Local Plumbing Help You Can Count On

Is water pooling under your sink? Has your water heater quit on a humid summer morning? Are you hearing a drip you just cannot find behind the wall?

These are the moments that send Hilton Head homeowners searching for help, and they are exactly what we handle every day. TNT Service Group (Thompson & Thompson Service Group) is the #1 rated, five-star plumbing team serving Hilton Head Island and the greater Coastal Empire. And when you call (912) 549-1521, you reach a licensed and insured company that treats your home the way we would treat our own.

We built this company on family-first values: high level integrity, a family friendly approach, and a real “wow factor” on every visit. But our purpose is simple. We help all people live in greater safety and comfort. That means upfront pricing, honest recommendations, and a 100% satisfaction guarantee on the work we do for you.

Complete Plumbing Services for Hilton Head

Hilton Head Island sits in Beaufort County, a low-lying barrier island shaped by salt marshes, tidal creeks, and sandy coastal soils. That setting creates plumbing challenges you do not find inland, and our team knows how to solve every one of them. From a small toilet repair in a Sea Pines villa to a major repipe in an older home near Pope Avenue, we cover it all.

Here is a look at the plumbing work we handle across the island:

And if you do not see your exact issue listed, call us anyway. Chances are we handle it.

24/7 Emergency Plumbing on the Island

Plumbing does not wait for business hours, and neither do we. TNT Service Group answers calls 24/7, so a midnight emergency plumbing situation never has to become a flooded morning. And on a barrier island connected to the mainland by the bridges of US Highway 278, quick local response matters even more.

A burst pipe can send gallons of water into your home in minutes. But our stocked trucks and licensed plumbers get you help fast, whether you live near William Hilton Parkway or out in Hilton Head Plantation. Call (912) 549-1521 the moment something goes wrong, and we will be on the way.

From shut-off valve failures to overflowing fixtures, we treat every emergency with urgency and care. And our upfront pricing means you know the cost before we begin, even in the middle of the night.

Water Heater Repair and Installation

A reliable hot water supply is something you notice only when it disappears. And in a resort and residential community like Hilton Head, cold showers are never welcome. Our team repairs and replaces every kind of unit, from standard tanks to modern tankless systems.

If your water heater is leaking, running out of hot water quickly, or making strange noises, we can diagnose the problem and give you honest options. But if replacement makes more sense, we will explain why before you commit. Many island homeowners choose tankless water heaters for the space savings and steady supply, and we install those as well. Whatever you choose, our 100% satisfaction guarantee stands behind the work.

Leak Detection and Slab Leak Repair

Hidden leaks are sneaky, and the flat, near sea level terrain of Hilton Head Island can make them harder to spot. A slab leak under your foundation might show up first as a warm spot on the floor or a water bill that keeps climbing. But by the time you notice, damage may already be spreading.

Our plumbers use careful leak detection methods to pinpoint the source without tearing your home apart. And once we find it, we repair it cleanly and correctly. Sandy coastal soils and high water tables add complexity to slab leak repair, but our licensed team has the experience to get it right the first time.

Water Filtration and Softeners

The water quality along the Lowcountry coast can leave you wanting better taste and softer water throughout your home. And that is where whole-home water treatment makes a real difference. We install water filtration systems and water softeners that protect your fixtures, appliances, and skin.

Hard water shortens the life of water heaters and leaves buildup on faucets and glassware. But a properly sized softener solves that for good. Our team assesses your home’s needs and recommends the right system, with clear pricing and no pressure. As a plumber in Hilton Head, SC, we help families enjoy cleaner, better water every day.

Drain Cleaning and Sewer Repair

Slow drains and backed-up sewer lines are more than an annoyance. On an island with tidal creeks and salt marshes nearby, proper drainage matters for your home’s health. And our drain and sewer services keep everything flowing the way it should.

Here is what we handle:

Our sewer line camera inspections let us see the exact problem before we dig. But when a repair is needed, trenchless methods often let us fix the line with minimal disruption to your yard and landscaping. That is a big benefit in the manicured communities around Shipyard and Palmetto Dunes.

Gas Line Installation and Repair

Gas lines demand precision and respect. A small mistake can create a serious safety hazard, which is why gas work should always go to a licensed professional. And our team carries the credentials and experience to install, repair, and inspect gas lines correctly.

Whether you are adding a gas range, a pool heater, or a new appliance, we make sure every connection is tight and code-compliant. But if you ever smell gas, leave the home and call us right away at (912) 549-1521. Your safety is our core purpose, and we never cut corners on gas work.

Backflow Testing and Prevention

Backflow prevention protects your drinking water from contamination, and many Hilton Head properties are required to have their devices tested regularly. Our licensed plumbers perform accurate backflow testing and handle any repairs your system needs.

Irrigation systems are common across the island’s golf communities and lush landscaping, and they are a frequent point where backflow can occur. But a properly maintained assembly keeps your water safe. We document every test clearly so you stay compliant and worry-free.

Bathroom Remodeling, Showers, and Tubs

A bathroom remodel adds comfort and value, and it is one of the most rewarding upgrades a homeowner can make. From updated showers and tubs to complete layout changes, our plumbing team handles the water side of your project with skill and care.

We coordinate fixture installation, water lines, and drainage so everything works flawlessly when the project is done. But we also focus on the details that make a bathroom feel finished. Whether you are refreshing a resort rental near Harbour Town or updating a family home, we deliver results backed by our satisfaction guarantee.

Toilet Repair and Installation

A running, leaking, or clogged toilet wastes water and patience. And with the humid subtropical climate of Hilton Head, even small leaks can lead to mold and moisture problems. Our team repairs toilets quickly and installs new, water-efficient models when repair no longer makes sense.

We carry common parts on our stocked trucks, so many toilet repairs are completed in a single visit. But when you want an upgrade, we help you choose a model that fits your bathroom and your budget, with honest pricing every step of the way.

Heating and Cooling for Your Home

Beyond plumbing, TNT Service Group keeps your home comfortable year round. Hilton Head summers are hot and humid, and hard freezes are uncommon, so a dependable air conditioner is essential. Our HVAC team handles both cooling and heating needs.

Our cooling services include:

And our heating services include:

One trusted company for plumbing and HVAC means fewer numbers to remember and consistent, five-star service every time.

Electrical Services and Generators

We also handle electrical work across the island. And in a hurricane-prone coastal zone where the Atlantic hurricane season runs June through November, a backup generator brings real peace of mind when storms threaten power lines.

Our electrical services include:

From simple outlet upgrades to whole-home generator installation, our licensed electricians keep your home safe and powered.

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Why Savannah Homeowners Choose Thompson & Thompson Service Group

Homeowners across Savannah trust Thompson & Thompson Service Group because we prioritize quality, honesty, and customer care. Our team is licensed, experienced, and committed to providing high-quality service every time. By offering HVAC, plumbing, and electrical services under one roof, we make home maintenance simpler and more convenient.

We take pride in clear communication, respectful service, and solutions tailored to each customer’s needs. Most importantly, we understand Savannah homes and the challenges they face.

SCHEDULE SERVICE WITH ONE OF OUR TRAINED STAFF TODAY!

Our team will provide you with a 100% Satisfaction Guaranteed job