3 reports. Useful first pass, but one outlier can still shift the range.

Tankless Water Heater Installation Cost in Phoenix, AZ

In Phoenix, AZ, tankless water heater installation costs typically range from $3,400 to $9,500, with most homeowners paying around $5,500. The middle 50% of installations fall between $4,450 and $7,500. Prices vary based on factors like your home's specific setup and equipment choice.

Early data · 3 reports so far. compare with the broader service overview before making a decision. More reports make this guide stronger.

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Price distribution

Median $5,500.00 · typical $4,450.00–$7,500.00

$5,500.00

$3,400.00

$9,500.00

Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.

Most jobs land between $3,610.00 and $9,100.00 (5th–95th percentile). Ignoring 1 outlier below and 1 above.

Based on reports from Apr 2026 (first entries this month).

Data freshness: 3 reports in the last 90 days. Help keep this current →

Data last updated Apr 7, 2026.

Size context is still being collected (0 of 3 reports include home size or system size). Numbers above may not reflect what your specific home would pay. Add a report to sharpen this →

Latest reports

The underlying prices behind this page.

3 total reports

$9,500.00

8 days ago

Size not reported

Got a quote for with 0% financing for the installation of a tankless water heater.

$5,500.00

8 days ago

Size not reported

Needed service ASAP and they responded quickly.

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Real homeowner write-ups, locked.

$ • • •

8 days ago

Size not reported

"Happy with the choice despite the higher upfront cost compared to a conventional water heater."

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