Licensed Plumber Required

Tankless Water Heater Installation Cost in Charleston, SC

Mixed Copper/PVC – 2 Bath

The average cost of tankless water heater installation in Charleston, SC with Mixed (Copper/PVC) pipes (2-bath, 1,500 sq ft) is $1,860, with most homeowners paying between $1,540 and $2,270 depending on access difficulty, permit requirements, and contractor availability.

Cost Breakdown - Charleston, SC

Parts & Materials
$1,110
Mixed (Copper/PVC) profile
Labor
$630
5.2 hrs x $102/hr
Permits & Misc
$120
permits, disposal, parts
Total Estimate
$1,860
Range: $1,540-$2,270

* Estimates based on Charleston area labor rates ($102/hr). Actual costs vary. Get 3 quotes.

Home Profile

Pipe Material
Mixed (Copper/PVC)
Bathrooms
2 Bath
Home Size
1,500 sq ft
Local Labor Rate
$102/hr

Signs You Need This Service

  • !Constantly running out of hot water
  • !High energy bills from aging tank unit
  • !Upgrading during kitchen or bath renovation
  • !Adding a new bathroom or ADU
  • !Tank water heater at end of life

What is Included

  • +Remove existing water heater
  • +Wall-mount new tankless unit
  • +Upgrade gas line if required
  • +Install dedicated venting
  • +Program and commission unit
  • +Test flow at all fixtures

Ready to Hire a Plumber in Charleston?

Use this estimate as your baseline. Get at least 3 quotes and ask each plumber to itemize parts, labor, and permits separately.

Fair range: $1,540 to $2,270

Compare Quotes from Top-Rated Plumbers via Angi

Frequently Asked Questions

How much does tankless water heater installation cost in Charleston, SC?

The average cost of tankless water heater installation in Charleston, SC is $1,860, with most homeowners paying between $1,540 and $2,270 depending on home conditions and contractor availability.

How long does tankless water heater installation take?

Most tankless water heater installation jobs take 5.2 hours for a 2-bathroom home with Mixed (Copper/PVC) pipes. Complex jobs or older homes may require additional time.

Can I do tankless water heater installation myself?

This job requires a licensed plumber due to permit requirements, complexity, or safety considerations.

What affects tankless water heater installation cost in Charleston?

Key cost factors include pipe material (Mixed (Copper/PVC)), home size (1,500 sq ft, 2 baths), local labor rates ($102/hr in Charleston), and permit fees.

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