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How Much Does A Tankless Water Heater Cost? (2024)

$1,400 – $5,600
Average Tankless Water Heater Cost With Installation
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Key Takeaways

Main PointsDetails
Average Cost$1,400 – $5,600 with installation.
Fuel TypesOptions include Electric, Propane, and Natural Gas with varying costs and efficiency.
Installation FactorsCosts include unit price, labor, additional supplies, and permits.
Comparative AnalysisConsideration between Tankless vs. Standard water heaters in terms of cost, energy efficiency, and lifespan.
FAQsKey questions include worthiness, lifespan, and maintenance of tankless water heaters.
Tankless Water Heater | How Much Does A Tankless Water Heater Cost?
Tankless Water Heater | How Much Does A Tankless Water Heater Cost?

A tankless water heater cost can vary widely depending on several factors, including the type (electric or gas), the size, the brand, and the complexity of installation. This article will break down the different costs associated with purchasing and installing a tankless water heater, providing you with a detailed overview to help you make an informed decision for your home’s hot water needs.

Average Cost With Installation

Tankless Water Heater Cost

When considering the installation of a tankless water heater, potential homeowners should budget between $1,400 and $5,600. Costs vary based on factors like the unit’s fuel type, installation complexity, and additional materials.

Tankless Water Heater Cost By Fuel Type

Fuel TypeAverage Unit PriceTotal Installed Cost
Electric$600 – $1,000$1,400 – $3,000
Propane$1,000 – $2,000$1,600 – $4,500
Natural Gas$1,500 – $2,600$2,100 – $5,600

Gas Tankless Water Heater Cost

Gas tankless water heaters use either natural gas or propane. Here’s a close comparison:

Natural Gas Vs. Propane Tankless Water Heater Comparison

Fuel SourceProsCons
Natural Gas– Lower operating cost
– Easier installation
– Consistent fuel supply
– Higher purchase price
– Limited availability
– Safety concerns
– Greenhouse gas emissions
Propane Gas– Flexible tank placement
– High efficiency
– Fewer emissions
– Potential higher cost
– Refill logistics
– Maintenance needs including leak checks

Electric Tankless Water Heater

Electric tankless water heaters have a distinct set of pros and cons.

Electric Tankless Water Heater Pros And Cons

Lower purchase priceRequires dedicated circuit
No gas line neededLimited flow capacity
Easy temperature adjustmentHigher operating costs
Compact sizeScaling issues
Limited cold weather performance
Tankless Water Heater | How Much Does A Tankless Water Heater Cost?
Tankless Water Heater | How Much Does A Tankless Water Heater Cost?

Single-Point Vs. Whole House Tankless Water Heater

Single-point systems target specific fixtures, whereas whole-house systems provide hot water for the entire home. The choice depends on individual needs and usage patterns.

Condensing Vs. Non-Condensing

Condensing Water Heaters

Condensing water heaters capture and reuse exhaust gases, making them more efficient but often at a higher upfront cost.

Non-Condensing Water Heaters

Less expensive upfront but less efficient than condensing units, as they vent exhaust gases directly outside.

Tankless Water Heater Installation Cost

The total cost of installing a tankless water heater includes several components:

Tankless Water Heater Installation Cost Calculator

FactorAverage Cost
Unit Cost$600 – $2,600
Installation Labor$600 – $2,500
Additional Supplies$150 – $300
Permits$50 – $200
Total Installed Cost$1,400 – $5,600
Tankless Water Heater | How Much Does A Tankless Water Heater Cost?
Tankless Water Heater | How Much Does A Tankless Water Heater Cost?

Labor Costs

Labor costs for installing a tankless water heater range from $600 to $2,500, depending on the complexity of the installation.

Tankless Water Heater Cost Factors

Several factors influence the cost of a tankless water heater, including size, household needs, and installation requirements.

What Size Tankless Water Heater Do I Need?

The size depends on the peak water usage in your household. Calculate your usage in gallons per minute (GPM) and choose a unit with an appropriate output.

Tankless Water Heater Vs. Standard Tank

Comparing tankless water heaters to their standard tank counterparts can help in making an informed decision.

Tankless Vs. Standard Tank Water Heater

FactorTankless Water HeaterStandard Tank Water Heater
Average Cost$1,400 – $5,600$600 – $3,100
Annual CostGas: $220 – $480
Electric: $340 – $540
Gas: $250 – $420
Electric: $530 – $600
Lifespan15 – 20 years8 – 12 years
Pros– Endless hot water
– Greater efficiency
– Compact size
– Constant temperature
– Lower upfront cost
– Simple installation
– Easy maintenance
– High flow rate
– Less mineral build-up
Cons– Higher upfront costs
– Complicated installation
– Limited flow rate
– Energy inefficient
– Limited hot water
– Takes up more space
– Potential rust or cracks

Tankless Water Heater FAQs

What Is A Tankless Water Heater?

A tankless water heater heats water on demand rather than storing it in a tank, providing an endless supply of hot water.

How Does A Tankless Water Heater Work?

Tankless water heaters utilize electric coils or gas burners to heat water as it flows through the unit, resulting in instant hot water.

Is A Tankless Water Heater Worth It?

While the initial cost is higher, the energy savings and longer lifespan can make tankless water heaters a worthwhile investment.

How Long Does A Tankless Water Heater Last?

On average, a tankless water heater lasts between 15 to 20 years, longer than standard tank heaters.

How Do I Clean A Tankless Water Heater?

Regular maintenance includes flushing the system to remove mineral build-up and ensuring the intake and output lines are clear.

Tankless Water Heater | How Much Does A Tankless Water Heater Cost?
Tankless Water Heater | How Much Does A Tankless Water Heater Cost?

Getting Estimates From Plumbers

When installing a tankless water heater, obtaining multiple estimates ensures you get the best price and service quality.

Questions To Ask A Plumber About Tankless Water Heater Installation

  1. What is the estimated cost of installation?
  2. Do I need any upgrades in my plumbing or electrical systems?
  3. How long will the installation process take?
  4. Can you provide references from previous customers?
  5. What kind of maintenance will be required?

By understanding these factors, homeowners can make an informed decision about installing a tankless water heater, ensuring efficient and reliable hot water for years to come.

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