Tank & Tankless · Install · Replace · Repair
Water Heater Repair & Replacement
No hot water? A licensed plumber diagnoses it, gives you written options, and gets it fixed or replaced. Tank or tankless, in Apex, Cary, Holly Springs, Morrisville, and Raleigh.
4.9 ★ from 600+ reviews
Licensed, bonded and insured
3-year labor warranty on every install
Financing available
Cannot be combined with any other offers or specials. One-time use only. Must mention offer to redeem. Limited time only.
Straight Answers
What a new water heater costs, and how to pay for it
Installed price
Standard tank: $2,000–$4,000. Tankless: $4,000–$6,000. Your technician gives you the exact number for your home in writing before any work starts.
Warranty
3-year labor warranty on every install, plus the manufacturer tank or heat-exchanger warranty on the unit you choose. Permitted and inspected where the town requires it.
Financing
No interest for 12 months if paid in full, or fixed-rate plans up to 120 months, through GreenSky. Apply from your phone in minutes.
See financing plansSigns Your Water Heater Is on Its Way Out
Catching it early means a planned replacement on your schedule, not a cold-shower emergency and water damage on a Saturday morning.
Brands We Install
Bradford White, Navien, and Rinnai
We install, replace, and service all three. Ask us which one fits your home and your budget.
Tank
Bradford White
American-made tank water heaters sold only through licensed plumbing professionals, never through big-box stores.
Tankless
Navien
Condensing tankless water heaters built for endless hot water and lower monthly energy use.
Tankless
Rinnai
Tankless water heaters with a long service life and the industry's best-known name in on-demand hot water.
Understanding Your Options
Tank vs. Tankless: What's Right for Your Home?
Standard Tank
Traditional. Reliable. Well-understood.
- Lower upfront cost and a simpler installation.
- Requires more installation space, typically a closet or utility room.
- Continuously heats water to maintain temperature, even when not in use.
- Can run out of hot water during periods of heavy use.
- Average lifespan: 8–12 years.
Best for: Homes with lower hot water demand, budget-conscious installs, or where a tankless retrofit isn't practical.
Tankless (On-Demand)
Modern. Efficient. Built to last.
- Cold water enters only when hot water is demanded, so there's no standby heating.
- Heats water instantly as it flows through.
- Automatically maintains your exact temperature set point.
- Never runs out: continuous hot water as long as you need it.
- Average lifespan: 20+ years, roughly twice a tank unit.
Best for: Homes with growing hot water demand, energy-conscious owners, or homeowners planning long-term.
At a Glance: Side-by-Side
| Feature | Standard Tank | Tankless |
|---|---|---|
| Upfront Cost (installed) | $2,000–$4,000 | $4,000–$6,000 |
| Monthly Energy | Higher (standby loss) | Lower (on-demand only) |
| Hot Water Supply | Limited by tank size | Unlimited, continuous |
| Space Required | Large footprint | Wall-mounted, compact |
| Lifespan | 8–12 years | 20+ years |
Trusted across the Triangle
“Matt was amazing! I've worked with many plumbing companies, and I will definitely contact Sweetwater Plumbing for all my plumbing needs moving forward.”
Keila Feracho
Verified Google review
“Sweetwater saved the day! I had an active leak from a water pipe in the ceiling. They fixed the leak promptly and did a great cleanup job.”
Sandy Alex
Verified Google review
“Chris arrived on time and made an assessment. A most conscientious and capable young man — the quality of his work was outstanding.”
Bodin Schexnayder
Verified Google review
“Great job. Punctual, professional, took time to explain the work, what my options were, and let me choose.”
Krista Summitt
Verified Google review
“Joseph was a great technician. He investigated the problem and walked me through every step of the way. So kind and patient.”
Connie Knox
Verified Google review
“I needed repair work done on short notice after a house inspection. Excellent work and great folks to work with.”
Jack Frankenfield
Verified Google review
ServiceTitan Online Scheduling
Book Plumbing Service Online
Choose the help you need and the scheduler will guide you through the details and available times.
Need help now? Call (919) 679-1275.
Not sure which is right for your home?
We'll walk you through it. No pressure, no jargon, just honest advice from your neighbors.