Home Repair Decoded

Tankless Water Heater Installation Cost in Pennsylvania

$1,400 – $4,450We estimate tankless water heater installation in Pennsylvania at $1,400 to $4,450 for a whole-house tankless unit replacing a tank. The national estimate is $1,400 to $4,400. Pennsylvania plumber pay is 7% above the national median, ranking 18 of 51.
Part of the jobLowHigh
Parts and materials (our assumption)$1,000$3,000
Labor hours (our assumption)510
Billed labor rate per hour$82$147
Estimated total$1,400$4,450

Our estimate, not a quote. Billed rate is the Pennsylvania median wage from BLS (2025, $32.73 an hour) times 2.5 to 4.5 to cover payroll costs, overhead, travel and profit. How we estimate

What our assumptions are based on

ItemSourced figureBasisSource
Labor hours4 – 104 to 8 hours (This Old House); 6 to 10 hours (Fixr). Bob Vila says close to 3 hours; that figure is not in this range.This Old House, Fixr

What other publishers report

National figures as published by each source, checked 2026-11-03. Their scope can differ from ours.
PublisherLowHighScope
This Old House$1,200$3,500Equipment and labor. Page dated June 2026.
Fixr$2,500$4,500National average range, installed. Page dated January 2025.
Bob Vila$1,333$3,721Installed, citing Angi and HomeAdvisor. Page dated October 2023.

Cities in Pennsylvania

Metro areaMedian wageLowHigh
Philadelphia$35.99$1,450$4,600

Who can legally do this in Pennsylvania

Pennsylvania has no statewide requirement for most contractors, but some municipalities set their own requirements for plumbing contractors or plumbers. Check with the municipality where the work will take place.

Compared with neighboring states

StateMedian wageLowHigh
Delaware$31.11$1,400$4,400
Maryland$31.44$1,400$4,400
New Jersey$37.61$1,450$4,700
New York$37.26$1,450$4,700
Ohio$30.45$1,400$4,350
West Virginia$27.39$1,350$4,250

Other plumber jobs in Pennsylvania

Tankless Water Heater Installation cost in every state · Pennsylvania home repair guide

Sources

General information, not professional advice. Conditions, codes and prices vary. Turn off power, gas or water before any work, and hire a licensed professional when in doubt. Cost figures are our estimates, not quotes.