Tankless vs. Tank Water Heater Calculator

Water Heater Cost Comparison

Average Daily Hot Water Usage (in gallons):

Tankless Water Heater Efficiency (EF):

Tank Water Heater Efficiency (EF):

Electricity Cost per kWh:

Gas Cost per Therm:

Tank vs. Tankless Water Heaters

Tank vs. Tankless Water Heaters: An Overview

Choosing the right water heater is crucial for ensuring efficient energy consumption and meeting your hot water needs. This comparison will help you understand the differences between tank and tankless water heaters.

Comparison Table

Feature	Tank Water Heater	Tankless Water Heater
Initial Cost	Lower	Higher
Operating Cost	Higher	Lower
Life Expectancy	10-15 years	20+ years
Energy Efficiency	Less efficient	More efficient
Space Requirement	More space required	Less space required

Pros of Tank Water Heaters

Lower initial purchase and installation cost.
Simpler operation and maintenance.
Can use electricity, natural gas, propane, or oil as energy sources.

Cons of Tank Water Heaters

Higher energy bills due to continuous heating.
Limited hot water supply based on tank capacity.
Takes up more space.

Pros of Tankless Water Heaters

Lower operating costs by heating water on demand.
Longer lifespan.
Requires less space.

Cons of Tankless Water Heaters

Higher initial cost for unit and installation.
May require larger gas lines or additional electric circuits.
Can be overwhelmed by simultaneous demands.