Water Heater Repair in Charleston and Mount Pleasant, SC
Fast diagnostics & same-day fixes for gas, electric, hybrid & tankless systems across Mount Pleasant, Charleston and the islands.
Common Issues We Resolve
- No / insufficient hot water
- Leaks or pooling water
- Rumbling or popping noises
- Ignition / pilot failures
- Temperature swings
- Discolored / rusty water
- Error codes (tankless)
Emergency? Active leak, gas odor, or CO concern? Call immediately for priority dispatch.
Our Repair Process
- Assess: Safety & system condition.
- Diagnose: Root cause with certified tools.
- Quote: Upfront pricing before work.
- Fix: OEM parts & code compliance.
- Verify: Performance & safety testing.
We stock common parts to minimize downtime and protect warranties.
Repair or Replace?
We only recommend replacement when it makes financial or safety sense. Consider upgrading if the tank leaks, efficiency has dropped sharply, or repairs exceed ~40% of a new system.
Serving Mount Pleasant, Charleston and the Islands
Water Heater Doctors is based in Mount Pleasant and provides water heater repair across the Charleston area, from downtown and West Ashley to Daniel Island and the beach communities. Same-day service and 24/7 emergency response, with an upfront, flat-rate quote before any work begins.
Water Heater Repair FAQs for Charleston and Mount Pleasant
How fast can you repair a water heater in Mount Pleasant?
We are based in Mount Pleasant, so most repair calls in Mount Pleasant and the surrounding Charleston area are diagnosed and fixed the same day when parts are on hand. For an active leak, a gas odor or a household with no hot water, we offer 24/7 emergency service.
Do you repair water heaters in Charleston, or only Mount Pleasant?
Both. We repair water heaters in downtown Charleston, West Ashley, James Island and Folly Beach as well as Mount Pleasant, Daniel Island, Isle of Palms and Sullivan's Island.
How much does water heater repair cost in Charleston?
It depends on what failed and what type of unit you have. A thermocouple, thermostat or heating element is a smaller job than a gas valve or a tankless heat exchanger. We diagnose first, then give you an upfront, flat-rate quote before any work starts, so there are no surprises on the invoice.
Should I repair or replace?
If the tank is leaking or the unit is 10+ years with recurring issues, replacement is often more cost‑effective.
Do you service all brands?
Yes. We are factory-certified in major brands (Navien, Rinnai, Rheem, A.O. Smith) and service all others.
Do you repair tankless water heaters in Charleston, SC?
Yes. We are factory-certified on Navien and Rinnai and also service Noritz and other tankless brands. Common tankless repairs include error codes, ignition failures, flow and temperature problems, and descaling a scaled-up heat exchanger.
Need a Fast Repair?
Certified technicians ready today.