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Two grey tankless water heaters mounted side by side on OSB with copper supply and return piping beneath them.

Photo: Behrat · CC BY-SA 3.0 · Source

How Much Does Install Tankless Gas Water Heater Cost in Manchester, New Hampshire?

Supply and install a whole-home natural-gas tankless water heater including venting and gas connection; gas-line upsizing beyond basic hookup extra.

Install Tankless Gas Water Heater in Manchester, New Hampshire typically costs $1,960 to $4,410 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

Install Tankless Gas Water Heater in Manchester, New Hampshire

$1,960 – $4,410

per project

Prices in Manchester are 2.0% lower than the national average for install tankless gas water heater.

National average: $2,000 – $4,500 per project

What you get at each price level

  • Basic

    $1,666 – $3,749 per project

    Non-condensing indoor gas tankless about 160k BTU, stainless steel venting, isolation valves, connected to the gas line

  • Standard

    $1,960 – $4,410 per project

    Condensing gas tankless about 180k BTU, PVC venting, isolation valve kit, condensate drain, gas connection and flow test

  • Premium

    $2,450 – $5,513 per project

    Condensing gas tankless 199k BTU with built-in recirculation pump, PVC venting, isolation valves, condensate neutralizer

Cost Breakdown in Manchester

ComponentCategoryPrice RangeUnit
Materialsmaterial$882 – $1,985job
Laborlabor$686 – $1,544job
Supplies & Othersupplies$235 – $529job
Equipment & Disposalequipment$157 – $353job
Prices adjusted for Manchester local market conditions.

Install Tankless Gas Water Heater photo examples

Cost Factors in Manchester, New Hampshire

What Affects Pricing

  • Materials ($900.00-$2,025.00 per project)
  • Labor ($700.00-$1,575.00 per project)
  • Supplies & Other ($240.00-$540.00 per project)
  • Equipment & Disposal ($160.00-$360.00 per project)

Local Price Adjustments

Material costs2.0% below avg
Labor costs2.0% below avg

Frequently Asked Questions

How we price this

BuildX Pro researches and reviews the national price range for Install Tankless Gas Water Heater, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.

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