If you’re heating water with natural gas, you may be thinking about making the switch to an electric water heater. With rising energy costs and a desire to reduce your home’s environmental impact, an electric model can be an appealing alternative.
In this comprehensive guide, we will walk you through everything you need to know about switching from a gas to an electric water heater.
If you’re short on time, here’s a quick answer to your question: Switching to an electric water heater from gas involves choosing the right size and type of electric heater, installing a dedicated 240V circuit and outlets, replacing venting for combustion gases with ducting for cooler air exhaust, and planning for increased electrical load on your home’s system.
Work with professionals to calculate costs, rebates, installation needs, and optimize energy efficiency.
Determining the Right Electric Water Heater
Calculate your hot water needs
Before making the switch from a gas to an electric water heater, it is important to calculate your hot water needs. This will help you determine the appropriate size and capacity of the electric water heater you need.
Consider factors such as the number of people in your household, their daily hot water usage, and any specific hot water requirements you may have, such as large bathtub or multiple showers running simultaneously.
One way to calculate your hot water needs is to determine the peak hour demand, which is the maximum amount of hot water your household uses during the busiest hour of the day. You can use online calculators or consult a professional plumber to help you with this calculation.
Choose a tank or tankless design
When switching to an electric water heater, you have the option to choose between a tank or tankless design. Each design has its own advantages and considerations.
A tank water heater stores and heats a certain amount of water in a tank, which is ready for use whenever you need it. This design is suitable for households with consistent hot water needs and limited space for installation.
On the other hand, a tankless water heater heats water on demand, without the need for a storage tank. It provides hot water instantly and can be more energy-efficient as it eliminates standby heat loss.
However, it may have limitations in terms of simultaneous hot water usage and may require a higher initial investment.
Select the appropriate power rating and capacity
When choosing an electric water heater, it is essential to select the appropriate power rating and capacity. The power rating indicates the amount of energy the heater consumes, while the capacity refers to the amount of hot water it can provide.
The power rating of an electric water heater is measured in kilowatts (kW). Higher power ratings indicate faster heating times but may also result in higher energy consumption. Consider your household’s hot water usage patterns and energy efficiency goals when selecting the power rating.
The capacity of an electric water heater is measured in gallons or liters. It should be sufficient to meet your peak hour demand and daily hot water needs. A larger capacity may be required for households with multiple bathrooms or high hot water usage.
It is recommended to choose a water heater with a capacity that can comfortably accommodate your household’s needs without excessive energy waste.
For more detailed information and specific product recommendations, you can visit websites such as Energy.gov or Consumer Reports.
Installing the New Electric Water Heater
When making the switch from a gas water heater to an electric one, it’s important to properly install the new unit. Here are some key steps to follow:
Hire a licensed plumber and electrician
Installing a water heater involves both plumbing and electrical work, so it’s important to hire professionals who are licensed and experienced in these areas. They will ensure that the installation is done correctly and up to code.
Install a 240V circuit and outlets
An electric water heater requires a dedicated 240V circuit. This means that you may need to have an electrician install a new circuit and outlets specifically for the water heater. This will ensure that the unit receives the necessary power to operate efficiently and safely.
Replace gas line with ducting for cooler air exhaust
Since you are transitioning from a gas water heater, you will need to remove the gas line and replace it with ducting for the cooler air exhaust. This will prevent any potential hazards or leaks associated with the gas line and ensure that the new electric water heater operates properly.
Connect plumbing lines
Once the electrical and ducting work is complete, you will need to connect the plumbing lines to the new electric water heater. This involves attaching the cold water supply line and the hot water outlet line. It’s important to ensure that these connections are tight and secure to prevent any leaks.
Ensure proper ventilation
While electric water heaters do not produce combustion gases like gas water heaters, they still require proper ventilation to prevent moisture buildup. Make sure that the area where the water heater is installed has adequate ventilation to allow for the release of any excess heat and humidity.
By following these steps and hiring professionals for the installation, you can successfully switch from a gas to an electric water heater and enjoy the benefits of energy efficiency and lower utility bills.
Understanding Costs and Incentives
When considering switching from a gas to an electric water heater, it’s important to understand the costs involved and the potential incentives available. This comprehensive guide will help you navigate through the financial aspects of making this switch.
Estimate costs for the new electric heater
One of the first steps in understanding the costs of switching to an electric water heater is to estimate the cost of the new unit itself. Electric water heaters can vary in price depending on the size and features you choose.
On average, a quality electric water heater can cost anywhere from $500 to $1,500. It’s important to factor in the cost of installation as well, which can range from $500 to $1,000, depending on the complexity of the installation.
It’s worth noting that while the upfront cost of an electric water heater may be higher than a gas water heater, there are potential long-term savings to consider. Electric water heaters tend to have a longer lifespan and require less maintenance, which can offset some of the initial investment.
Factor in potential rebates and tax credits
Switching to an electric water heater may make you eligible for rebates and tax credits offered by federal, state, or local governments. These incentives are aimed at promoting energy efficiency and reducing greenhouse gas emissions.
To find out what incentives are available in your area, you can visit the Department of Energy’s website or contact your utility company. These incentives can help offset the upfront cost of the new electric water heater, making it a more financially attractive option.
Additionally, some utility companies offer rebates or incentives specifically for installing electric water heaters. These programs can vary, so it’s worth checking with your utility company to see if any incentives are available.
Consider long-term energy cost savings
Another important factor to consider when switching to an electric water heater is the potential for long-term energy cost savings. Electric water heaters are generally more energy efficient than gas water heaters, which can lead to lower monthly utility bills. According to the U.S.
Department of Energy, electric water heaters can be up to 300% more efficient than gas water heaters.
By switching to an electric water heater, you can potentially save hundreds of dollars each year on your energy bills. Over the lifespan of the water heater, these savings can add up significantly. It’s worth calculating the potential energy cost savings over time to determine if the switch is financially beneficial in the long run.
Maintaining and Operating Your Electric Water Heater
Proper maintenance and operation of your electric water heater are crucial to ensure its longevity and optimum performance. Here are some key steps to follow:
Set the temperature
One of the first things you should do when operating an electric water heater is to set the temperature. The recommended temperature for most households is around 120 degrees Fahrenheit (48.9 degrees Celsius). This temperature strikes a balance between comfort and energy efficiency.
Lowering the temperature can help save energy and reduce the risk of scalding, while raising it can ensure a sufficient supply of hot water.
Flush annually to reduce sediment
Over time, sediment, such as minerals and debris, can accumulate in the bottom of your electric water heater tank. This buildup can reduce the efficiency of the heater and potentially lead to corrosion.
Flushing the tank annually can help remove this sediment and keep your water heater working optimally. To flush the tank, simply turn off the power supply, connect a hose to the drain valve, and let the water flow until it runs clear.
Inspect anode rod
The anode rod is a crucial component of your electric water heater that helps prevent corrosion by attracting corrosive elements. It is recommended to inspect the anode rod every three years and replace it when necessary.
By doing so, you can extend the lifespan of your water heater and avoid costly repairs. If the anode rod is heavily corroded or less than half an inch thick, it’s time to replace it.
Clean inlet filter
The inlet filter is responsible for preventing debris from entering your water heater. Over time, this filter can become clogged, affecting the flow of water and potentially damaging the heating elements.
Cleaning the inlet filter regularly can help maintain the efficiency of your electric water heater. Simply remove the filter, rinse it with water, and reinstall it.
By following these maintenance and operation tips, you can ensure that your electric water heater operates efficiently and provides you with a reliable supply of hot water. Remember to always refer to the manufacturer’s instructions for specific guidance on your particular model.
Conclusion
Switching from a gas to an electric water heater is a major project that requires careful planning and execution. While the upfront costs may be higher, the long-term energy savings and environmental benefits can make it a smart investment.
Take the time to understand your needs, choose the right system, and hire qualified professionals. With the help of rebates and tax incentives, you’ll soon be enjoying reliable hot water and a lower utility bill with an efficient electric water heater.
