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Two silver wall-mounted tankless water heaters with copper and PEX piping and small expansion tanks on an OSB wall.

Photo: Behrat · CC BY-SA 3.0 · Source

How Much Does Gas Tankless Water Heater Cost in Wilmington, Delaware?

Install one whole-house natural gas tankless water heater including unit, venting, gas line connection and tank removal.

Gas Tankless Water Heater in Wilmington, Delaware typically costs $2,038 to $5,095 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

Gas Tankless Water Heater in Wilmington, Delaware

$2,038 – $5,095

each

Prices in Wilmington are 4.0% higher than the national average for gas tankless water heater.

National average: $2,000 – $5,000 each

What you get at each price level

  • Basic

    $1,732 – $4,331 each

    Non-condensing whole-house gas tankless unit with stainless steel venting, isolation valves, gas connection, old tank removed

  • Standard

    $2,038 – $5,095 each

    Condensing whole-house gas tankless unit with PVC venting, condensate neutralizer, isolation valve kit, old tank removed

  • Premium

    $2,548 – $6,369 each

    Condensing gas tankless unit with built-in recirculation pump and Wi-Fi control, PVC venting, neutralizer, isolation valves

Cost Breakdown in Wilmington

ComponentCategoryPrice RangeUnit
Materialsmaterial$873 – $2,183each
Laborlabor$777 – $1,943each
Supplies & Othersupplies$233 – $582each
Equipment & Disposalequipment$155 – $388each
Prices adjusted for Wilmington local market conditions.

Gas Tankless Water Heater photo examples

Cost Factors in Wilmington, Delaware

What Affects Pricing

  • Materials ($900.00-$2,250.00 per unit)
  • Labor ($700.00-$1,750.00 per unit)
  • Supplies & Other ($240.00-$600.00 per unit)
  • Equipment & Disposal ($160.00-$400.00 per unit)

Local Price Adjustments

Material costs3.0% below avg
Labor costs11.0% above avg

Labor costs in Wilmington run proportionally higher than materials, which may favor material-heavy solutions.

Frequently Asked Questions

References

Get Free Estimates in Wilmington

Connect with local gas tankless water heater contractors in Wilmington for personalized quotes based on your specific project.

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