How They Work
Use electric resistance elements to heat water stored in a tank.
Instead of generating heat directly, they pull warmth from the surrounding air and transfer it to the water.
Energy Efficiency & Cost Savings
Less efficient, with higher monthly energy costs.
Extremely efficient, uses up to 70% less energy and can save over $300 a year on utility bills.
Environmental Impact
Higher electricity use means a bigger carbon footprint, especially if your energy source isn’t renewable.
Lower energy use means fewer greenhouse gas emissions, making it one of the most environmentally friendly water heater options available.
Installation & Space
Easy to install in closets, garages, or basements. Doesn’t require much ventilation or space.
Needs a minimum of 1,000 cubic sqft. due to needing more airflow. Also easy to install.
Upfront Cost vs. Long-Term Value
Lower purchase price, but higher operating costs over time.
Higher initial cost, but significant savings over its lifespan.