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Water Heater Repair & Replacement in Charleston, SC

Compare 6 local water heater repair & replacement pros. Typical service: $180–$629.

Top Water Heater Repair & Replacement Companies in Charleston

  1. 1.Holy City Heating & Air, LLC

    4.9★ (1,203 reviews)

    4.9★ from 1203 reviews

    +18437907656Website

  2. 2.Palmetto Plumbing, Drain Cleaning & Water Heater Repair

    4.9★ (188 reviews)

    4.9★ from 188 reviews

    +18437381635Website

  3. 3.Provident Plumbing

    5.0★ (117 reviews)

    5.0★ from 117 reviews

    +18438494468Website

  4. 4.Charles Towne Plumbing

    4.9★ (121 reviews)

    4.9★ from 121 reviews

    +18433808848Website

  5. 5.Blitch Plumbing

    4.3★ (167 reviews)

    4.3★ from 167 reviews

    +18437959674Website

  6. 6.Rudd Plumbing Heating Air & Electrical

    4.7★ (49 reviews)

    4.7★ from 49 reviews

    +18437382408Website

Water Heater Repair & Replacement Cost in Charleston

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in Charleston
Water heater repair$180–$629/job
Tank water heater replacement$1,079–$2,248/job
Tankless water heater install$1,798–$4,495/job
Flush and maintenance$90–$225/visit

Water Heater Repair & Replacement prices in Charleston run about 10% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 6 companies serving Charleston, rated 4.8★ on average across 1,845 customer reviews.

Charleston Climate & Seasonal Timing

What Charleston's weather means for scheduling water heater repair & replacement.

Last spring frost
February 6
First fall frost
December 23
Annual precipitation
44.42"
Heating degree days
1,736
Cooling degree days
2,375
MonthLowHighPrecip
Jan42.8°56.7°2.94"
Feb45.5°59.6°2.51"
Mar51.6°65°3.3"
Apr58.8°72°2.53"
May67.1°78.7°2.16"
Jun74°84.5°4.65"
Jul76.9°87.6°5.4"
Aug76.1°86.4°6.71"
Sep71.8°82°5.76"
Oct62.5°74.6°3.67"
Nov53.6°67.3°2.19"
Dec45.6°59.5°2.6"

NOAA station data 4.64 miles from Charleston.

Permits & Regulations in SC

Permit typically required

  • Mechanical contracting including plumbing is licensed through the SC Contractor's Licensing Board
  • Residential plumbing runs through the Residential Builders Commission, which holds exam reciprocity with North Carolina and Mississippi
  • Residential specialty registration applies to work over $500 that is not otherwise regulated under Title 40 Chapter 11

License required: SC LLR mechanical contractor or Residential Plumbing license

Sources: llr.sc.gov, llr.sc.gov

Water Heater Repair & Replacement FAQs for Charleston

How much does water heater repair cost in Charleston?

Water heater repair in Charleston typically runs $180-$629; full tank replacement costs considerably more.

How many water heater pros serve Charleston?

We track 6 water heater specialists and plumbers serving Charleston.

Do I need a permit to replace a water heater in Charleston, SC?

In SC, Mechanical contracting including plumbing is licensed through the SC Contractor's Licensing Board. Water heater replacement commonly requires a permit in Charleston because of gas, venting and relief-valve requirements.

Is water heater work in Charleston more expensive than average?

Water heater work in Charleston runs about -10.1% versus the national average.

Why does my water heater struggle in Charleston winters?

When Charleston lows reach 43F, incoming water is much colder, so a tank takes longer to recover and a heater with sediment or a weak element runs out of hot water sooner.

Is a tankless water heater worth it in Charleston?

Charleston averages 1,736 heating degree days a year. The colder the incoming water, the larger a tankless unit has to be to keep up with showers, which drives its price.

How often should a water heater be flushed in Charleston?

Once a year is standard in Charleston; flushing removes sediment that shortens tank life. Repairs caught early typically cost $180-$629.

Does summer heat affect water heaters in Charleston?

Less than winter: with highs near 88F in Charleston, incoming water is warm and heaters work least, which is why summer is a good time to schedule a replacement.