Maximize Your Savings with Hybrid Water Heaters
Heating water accounts for nearly 20% of the average home's energy costs—making it the second-largest energy expense after heating and cooling. Hybrid water heaters offer a solution that uses up to 70% less electricity than standard electric models. For many families, that translates to savings of $600 or more each year.
Below, we'll break down the savings to help you determine if a heat pump water heater is worth it for your household.
Interested in a heat pump water heater but unsure which model to choose? Use the residential water heater selector to find options that fit your needs.
Water Heater Selector Quiz
Need Help From A Pro?
A. O. Smith water heaters are professionally installed by local independent contractors.
What Are Hybrid Water Heaters and How Do They Work?
Hybrid water heaters, also known as heat pump water heaters, combine two technologies in a single unit. These models extract existing heat from the surrounding air and transfer it to the water. Electric heating elements serve as backup when the demand exceeds the heat pump's capacity or when ambient temperatures drop too low.
How Heat Pumps Move Heat Instead of Creating It
Think of the heat pump like a reverse air conditioner. Just as your AC removes heat from inside your home and pumps it outside, a heat pump water heater pulls warmth from the surrounding air and moves it into the water tank—even when that air feels cool.
This process only uses electricity to move heat rather than create it, which explains the dramatic efficiency improvement. Standard electric water heaters convert electricity directly to heat through resistance—a one-to-one energy exchange. Heat pumps can move three to four times more heat energy than the electrical energy they consume, achieving efficiency ratings (measured as Uniform Energy Factor or UEF) up to 3.88 compared to 0.92 or lower for standard electric models.
Heat Pump Mode vs. Electric Backup Operation
Hybrid water heaters mostly run in heat pump mode to save energy. Most of the time, the heat pump does the work. The electric elements kick in as backup when you're using lots of hot water at once or when the air around the unit gets colder than 37°F.
These units are often placed in basements or garages where the air stays mild all year. In most cases, the heat pump does almost all the work, while the electric backup makes sure you still have hot water during busy times.
Shop for heat pump water heater models that fit your household's needs. Then, when you're ready, find a certified contractor near you for professional installation.
Cost Savings and Energy Efficiency Benefits
Hybrid water heaters are designed to be more efficient, resulting in lower utility bills for your household. The exact savings depend on things like family size, how much hot water you use, local electricity costs, and your climate—but in most cases, the money saved can be significant.
Monthly Energy Bill Reduction Examples
A standard 50-gallon electric water heater serving a family of four typically costs $800 to $900 annually to operate. The same household using a hybrid water heater would spend about $200 to $300 per year on water heating—a savings of around $600 annually or $6,000 over the average 10-year lifespan.
Standard electric water heaters cost $500 to $800 for the unit alone, while hybrid water heaters range from $1,200 to $2,500 for comparable capacity. However, the operating cost savings quickly close this gap. With annual savings of $600, a hybrid water heater typically pays for itself through energy savings in two to three years—well before the expected 12- to 15-year lifespan.
Federal Tax Credits and Incentives Available Through 2025
Currently, the federal government is offering a tax credit for qualifying heat pump water heaters, covering up to 30% of the cost to purchase and install a model, with a maximum credit of $2,000. This deal ends on December 31, 2025, so homeowners thinking about upgrading should act soon.
When you file your taxes, claim this credit on IRS Form 5695. You'll need to include the manufacturer's certification code—for A. O. Smith products, that Qualified Manufacturer (QM) code is A5X5. Many local power companies also offer rebates that you can stack on top of the federal tax credit to bring down your upfront costs even more.
Preparing for 2029 Energy Efficiency Standards
New Department of Energy efficiency standards taking effect May 6, 2029, will require all electric tank water heaters with a capacity of 35 gallons or more to use heat pump technology. Homeowners who upgrade now can avoid potential supply constraints and price increases as the 2029 deadline approaches, while also receiving available tax incentives that may not be available closer to the mandate date.
Rebates & Tax Credits
Rebate and incentive programs provide savings to consumers for the purchase of water heaters that meet certain energy efficiency standards.
Need Help From A Pro?
A. O. Smith water heaters are professionally installed by local independent contractors.
Choosing Hybrid Water Heaters for Maximum Savings
Choosing the best hybrid water heater for your home comes down to a few factors: the amount of hot water your family uses, the available space for installation, and confirming a professional properly sets it up to operate at its best.
Tank Size and Household Needs
Choosing the right size hybrid water heater depends on more than just how many people live in your home. Your hot water usage patterns matter just as much—maybe more. Do you take back-to-back showers in the morning? Does someone fill a large bathtub regularly? Do you run the dishwasher while people are showering?
Hybrid water heaters deliver higher first-hour ratings than their storage capacity suggests because the heat pump continuously warms water as you use it. For example, a 50-gallon hybrid model typically provides a 66-gallon first-hour rating. A household of two to four people with typical usage patterns will usually find a 50-gallon model works well. Larger households or those with higher simultaneous hot water demands may benefit from 66- or 80-gallon models, while smaller households with lighter usage can consider 40-gallon options.
The best way to determine the right size? Use A. O. Smith's sizing selector, which considers your specific usage patterns, not just a headcount.
Space and Installation Requirements
When installing a hybrid water heater, you’ll need:
- An electrical hookup (120V or 240V, depending on the model).
- A drain for any condensation the unit produces.
- Enough space around the unit (about 450 cubic feet of air space).
For contractors and certified installers, learn how to install a water heater circulating pump.
Why Professional Installation Matters
Having a professional handle the job makes sure the unit is the correct size, wired correctly, drained properly, and placed where it can run efficiently. Certified installers also understand local codes and can prevent issues that may affect performance or warranty coverage.
Voltex® Series: High-Performance Hybrid Options
The Voltex® series from A. O. Smith includes ENERGY STAR®-certified hybrid water heaters with features like:
- UEF ratings up to 3.88 for top efficiency.
- Built-in leak protection with automatic shut-off.
- Smart connectivity so you can check performance remotely.
- A 10-year limited warranty on the tank and parts.
- Sizes available in 40, 50, 66, and 80 gallons.
Get it installed by a Local Pro
Find Your A. O. Smith Hybrid Water Heater Today
A. O. Smith has been making water heating solutions for more than 85 years. The Voltex® series is ENERGY STAR® certified, offers efficiency ratings of up to 3.88, and comes with a 10-year limited warranty. It’s a smart way to start saving energy and money on your energy bills today. Use the A. O. Smith water heater selector to determine the best capacity for your home, and then connect with a local, certified installer.
Frequently Asked Questions
The lifespan of a hybrid water heater is typically 12 to 15 years. This means it lasts much longer than the time it takes to pay itself off through energy savings.
Yes, hybrid water heaters save money by using up to 70% less electricity compared to standard electric models. A family can save about $600 a year, or around $6,000 over 10 years.
Yes, there is a federal tax credit for hybrid water heaters through December 31, 2025. Homeowners can get 30% back on the purchase and installation costs, up to $2,000.