Ever jump in the shower, only to be greeted by a chilly surprise halfway through? Or maybe you’re tired of hearing the water heater rumbling away in the basement, even when no one is using hot water? We get it. The constant search for the ideal temperature, coupled with the nagging feeling that you’re wasting energy, can be frustrating. Luckily, there’s a solution that’s both efficient and convenient: an on-demand hot water heater.
If you’re considering making the switch, you’re in the right place. We’ve put together a comprehensive guide to help you navigate the world of tankless systems. This article is all about finding the best electric on demand hot water heaters to suit your needs, complete with detailed reviews and a buying guide to make your decision easier. We’ll explore the pros and cons, key features to look for, and what makes each model stand out, so you can finally enjoy endless hot water without the energy waste.
Before we jump into the best electric on demand hot water heaters review, let’s take a look at these Amazon products:
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So, You’re Tired of Waiting for Hot Water? Let’s Talk On-Demand!
Ever find yourself standing in the shower, shivering, waiting for the hot water to finally kick in? Or worse, discovering the tank is empty right when you really need that long, relaxing soak? We’ve all been there! That’s where on-demand, or tankless, water heaters come to the rescue. Instead of constantly heating a large tank of water, they heat water only when you need it. Think of it as a hot water genie, granting your wish instantly (well, almost instantly!).
Now, you might be wondering, why consider electric? Well, electric on-demand heaters are becoming increasingly popular for their energy efficiency and ease of installation, especially in homes without existing gas lines. They also tend to be smaller and more compact than their gas counterparts, which is a huge plus if you’re tight on space. And with advancements in technology, some models boast energy factors as high as 0.99, meaning they waste very little energy!
But with so many options out there, how do you find the right fit for your needs? That’s where we come in. We’re going to dive into the world of on-demand electric water heaters, helping you understand the different types, sizes, and features available. We’ll explore everything from whole-house solutions to point-of-use models, ensuring you choose the perfect water heater to banish those cold shower surprises forever.
Our goal is to guide you through the process, comparing the best electric on demand hot water heaters currently on the market. We’ll consider factors like flow rate, power consumption, and warranty, so you can make an informed decision and enjoy endless hot water whenever you need it. Let’s get started on this journey to hot water bliss!
The Best Electric On Demand Hot Water Heaters
Rheem RTEX-18
The Rheem RTEX-18 is a real workhorse for those needing a reliable hot water solution for a smaller home or specific point-of-use applications. It boasts self-modulation technology, meaning it only uses the energy required to heat the water you’re actually using. This saves energy and money, which is always a win. The digital display makes temperature adjustments a breeze, and its compact size allows for easy installation even in tight spaces.
While the RTEX-18 is powerful for its size, remember it’s designed for specific needs. If you’re trying to run multiple high-demand fixtures simultaneously, you might find yourself waiting a bit for the water to heat up. However, for a single shower, sink, or even a small apartment, this little guy delivers consistent and efficient hot water on demand.
EcoSmart ECO 27
The EcoSmart ECO 27 is a powerhouse designed for larger homes or those with higher hot water demands. Its self-modulating technology is efficient, and its ability to heat water on demand means you’re not wasting energy heating a tank full of water that may not be used. The digital temperature control allows for precise adjustments, making sure you always get the perfect temperature.
Be sure to double-check your electrical panel’s capacity before buying. The ECO 27 requires substantial amperage, and you’ll likely need professional installation. But if your home is properly equipped, this unit can easily handle multiple showers, dishwashers, and washing machines running at the same time without breaking a sweat.
Stiebel Eltron Tempra 24 Plus
The Stiebel Eltron Tempra 24 Plus is the sophisticated choice for those who want top-of-the-line performance and smart features. With its Advanced Flow Control, this unit maintains a consistent water temperature even when demand fluctuates. It’s a smart feature that prevents those annoying temperature dips during showers when someone flushes a toilet. Plus, the sleek design looks great in any utility room.
This heater might come with a higher price tag, but you’re paying for advanced technology and reliable performance. Like other powerful on-demand heaters, professional installation is highly recommended to ensure it’s properly connected to your electrical system.
Ecosmart ECO 11
The Ecosmart ECO 11 is a compact and efficient solution perfect for single-point use applications like a bathroom sink or a small office kitchenette. Its small size makes it easy to install in tight spaces, and its on-demand heating means you’re only using energy when you need hot water. It is a great option for reducing energy waste in targeted areas.
While it won’t power a whole house, the ECO 11 excels at providing instant hot water where needed. If you need to shave or wash your hands, no need to wait for a storage tank to heat up. Think of it as a focused, energy-saving solution for specific hot water needs.
Titan SCR2 N-120
The Titan SCR2 N-120 stands out for its compact size and ease of installation. It’s designed for point-of-use applications or low-flow needs, making it ideal for a single sink or a small handwashing station. Its simple design also means less to go wrong, potentially leading to a longer lifespan.
While it’s not meant to handle high-demand situations like multiple simultaneous showers, the Titan SCR2 N-120 excels at its intended purpose: providing instant hot water for low-flow needs. If you’re looking for a simple, affordable solution for a specific point of use, it’s a solid choice.
Why Electric On Demand Hot Water Heaters are a Must-Have
Imagine this: you’re running late for work, desperately needing a hot shower to wake you up, only to be met with a lukewarm trickle. Or perhaps you’re enjoying a relaxing evening bath, only to have the water turn icy cold halfway through. Traditional tank water heaters can only hold so much hot water, leaving you and your family vulnerable to these chilly disappointments. Electric on-demand hot water heaters, on the other hand, provide an endless supply of hot water, whenever and wherever you need it.
The beauty of these systems lies in their efficiency. Unlike traditional tanks that constantly heat water, even when you’re not using it, on-demand heaters only heat water when you turn on the tap. This eliminates standby heat loss, saving you a significant amount of money on your energy bills. Think of it as only paying for the hot water you actually use, rather than throwing money away on constantly heating a large tank.
But the benefits don’t stop there. “Best electric on demand hot water heaters” are significantly smaller than their tank counterparts, freeing up valuable space in your basement or utility closet. Plus, they boast a longer lifespan, often lasting up to twice as long as traditional water heaters. That means less maintenance, fewer repairs, and more peace of mind knowing you have a reliable source of hot water for years to come.
Ultimately, switching to an electric on-demand hot water heater is an investment in your comfort, convenience, and wallet. Say goodbye to cold shower surprises, wasted energy, and bulky water heaters. Embrace the endless hot water and energy savings that a modern, efficient on-demand system can provide. It’s a small change that can make a big difference in your daily life.
Understanding the Electric On Demand Heater Size You Need
Choosing the right size electric on demand water heater is arguably the most important step. Imagine this: you’ve just finished a long day, looking forward to a hot shower. You turn on the water, and after a few minutes of blissful warmth, it turns icy cold! That’s likely because your heater’s flow rate (measured in gallons per minute, or GPM) can’t keep up with the demand. Size matters, especially when multiple people in your household might be using hot water simultaneously.
To accurately determine your hot water needs, consider all the appliances and fixtures that use hot water. A standard showerhead uses around 2.5 GPM, a kitchen faucet might use 1.5 GPM, and a washing machine can use anywhere from 2 to 4 GPM. List out the appliances and fixtures you anticipate using at the same time. This might be someone showering while another person is doing dishes. Then, add up the GPM requirements.
Once you’ve calculated the total GPM needed, factor in the temperature rise. This refers to the difference between the incoming water temperature and the desired output temperature. If your incoming water is typically 50°F and you want a shower at 110°F, that’s a 60°F temperature rise. Use online sizing tools or consult with a plumbing professional to determine the appropriate heater size based on both GPM and temperature rise.
Don’t undersize your heater! While oversizing might seem like a waste of money, undersizing leads to cold showers and frustrated family members. It’s often better to slightly overestimate your needs. This provides a buffer for future additions or changes in hot water usage patterns. For instance, adding a new bathroom or getting a dishwasher that uses a lot of hot water. Investing in the correct size from the get-go ensures a comfortable and efficient hot water experience for years to come.
Installation: DIY vs. Professional
So you’ve picked out your perfect electric on demand water heater. The next big question is: do you install it yourself, or call in a pro? Think of it like assembling furniture from IKEA. Some people thrive on the challenge, while others quickly find themselves overwhelmed. Electrical work and plumbing can be tricky, and mistakes can be costly, even dangerous.
DIY installation can save you money, but it requires a solid understanding of electrical wiring, plumbing connections, and local building codes. You’ll need the right tools, a multimeter, pipe wrenches, and possibly specialized electrical equipment. Plus, you’ll need the time to dedicate to the project. Consider your skill level honestly. Have you successfully tackled similar projects before? Are you comfortable working with electricity? If not, it’s best to leave it to the experts.
Professional installation, on the other hand, comes with peace of mind. Licensed plumbers and electricians have the experience and expertise to ensure the heater is installed correctly and safely. They’ll also be familiar with local codes and regulations, preventing potential headaches down the line. Imagine the hassle of a failed inspection because of a DIY wiring error!
The cost of professional installation varies depending on the complexity of the job and your location. Get multiple quotes from reputable installers to compare prices. Ask about their experience with on demand water heaters and whether they offer a warranty on their work. The upfront investment might seem higher, but it can save you money in the long run by preventing costly repairs or code violations. It’s also worth considering that a professional installation might be required to maintain the manufacturer’s warranty on the water heater itself.
Maintenance and Longevity of Your On Demand Heater
Think of your electric on demand water heater like your car. Regular maintenance is key to keeping it running smoothly and extending its lifespan. Neglecting maintenance can lead to decreased efficiency, premature failure, and unexpected cold showers, which nobody wants. Basic maintenance is often simple and straightforward.
One of the most important maintenance tasks is descaling or flushing the unit. Over time, mineral deposits, especially calcium and magnesium, can build up inside the heat exchanger, reducing its efficiency and potentially damaging the heating elements. Descaling removes these deposits, restoring the heater’s performance. The frequency of descaling depends on the hardness of your water, but generally, it’s recommended at least once a year. Many manufacturers offer descaling kits specifically designed for their models.
Regularly inspect the unit for any signs of leaks or corrosion. Check the electrical connections to ensure they are tight and secure. If you notice any unusual noises or performance issues, consult a qualified technician. Neglecting small problems can lead to bigger, more expensive repairs down the road. Preventive maintenance saves money in the long run!
The lifespan of an electric on demand water heater typically ranges from 15 to 20 years, but with proper maintenance, it can last even longer. Investing a little time and effort into maintaining your heater will not only ensure a consistent supply of hot water but also protect your investment and save you money in the long run. Imagine extending the life of your heater by 5 years just by spending an hour a year on descaling!
Comparing Energy Efficiency and Cost Savings
Electric on demand water heaters are often touted for their energy efficiency. But how do they actually translate to real-world cost savings? Let’s break down the numbers. Unlike traditional tank water heaters, on demand heaters only heat water when you need it. This eliminates standby heat loss, which is the energy wasted by keeping a tank of water hot 24/7. This is like constantly leaving your car idling versus only turning it on when you need to drive somewhere.
The energy savings from an on demand water heater depend on your hot water usage patterns. If you have a small household with low hot water demand, you’ll likely see more significant savings compared to a large family with high usage. To estimate your potential savings, compare the energy factor (EF) of your current water heater with the EF of the on demand model you’re considering. The higher the EF, the more efficient the unit. Your water bill should drop because you’re not constantly heating water that may not get used.
Beyond energy savings, consider the potential long-term cost savings. On demand water heaters typically have a longer lifespan than tank heaters, reducing the need for replacement. Also, some utility companies offer rebates or incentives for installing energy-efficient appliances. Check with your local utility provider to see if any such programs are available in your area. This can significantly reduce the initial cost of the unit.
While the upfront cost of an electric on demand water heater might be higher than a traditional tank heater, the long-term energy savings, extended lifespan, and potential rebates can make it a cost-effective choice. Do the math and compare the total cost of ownership over the lifespan of both types of heaters. You might be surprised at how quickly an on demand heater can pay for itself. Plus, the added convenience of endless hot water is a valuable benefit in itself.
Your Guide to Finding the Best Electric On Demand Hot Water Heaters
Hey there! So, you’re thinking about going tankless and getting an electric on demand hot water heater? Awesome choice! You’re about to enter a world of endless hot showers and potentially lower energy bills. But with so many options out there, picking the perfect one can feel a little overwhelming. Don’t worry, I’m here to walk you through it. Think of me as your friendly guide, helping you navigate the world of instant hot water. We’ll explore what to consider so you can find one of the best electric on demand hot water heaters for your specific needs.
Let’s dive into the things you absolutely need to consider before you click that “buy” button. We’ll break it down into manageable chunks, so you can make an informed decision and enjoy that steamy shower ASAP!
Flow Rate: How Much Hot Water Do You *Really* Need?
Okay, this is probably the most crucial factor. Flow rate, measured in gallons per minute (GPM), tells you how much hot water the unit can deliver at a certain temperature. Imagine this: you’re showering, someone flushes the toilet, and suddenly your hot water turns lukewarm. Not fun, right? Choosing the right flow rate avoids this scenario.
Think about your household’s typical hot water usage. Do you have multiple showers running simultaneously? Do you often run the dishwasher and washing machine at the same time? Add up the GPM requirements for each appliance or fixture you might use concurrently. A showerhead usually uses around 2.5 GPM, a faucet about 1-1.5 GPM, and a dishwasher around 1-2 GPM. Add those numbers up and you’ll have a good idea of the minimum flow rate you need. Don’t forget to factor in the temperature rise needed in your area!
Temperature Rise: Bridging the Gap from Cold to Comfort
Temperature rise is the difference between the temperature of the incoming cold water and the desired hot water temperature. If your groundwater is consistently cold (say, 50°F) and you want your shower to be a comfy 110°F, you’ll need a unit that can deliver a 60°F temperature rise. This is where things can get a little tricky.
Units are rated based on their ability to raise the water temperature at a specific flow rate. A heater that can deliver a 6 GPM flow rate with a 60°F temperature rise might only deliver 3 GPM if you need an 80°F rise. Check your local groundwater temperature (a quick Google search for your area should do the trick) and calculate the temperature rise you’ll need. It’s a critical step in selecting one of the best electric on demand hot water heaters for you!
Power Requirements: Do You Have the Juice?
Electric on demand hot water heaters require a significant amount of electricity. We’re talking dedicated circuits and sometimes even electrical panel upgrades. Before you get too excited about endless hot water, check your electrical panel’s capacity.
Look for the unit’s voltage and amperage requirements. Typically, these heaters require 240V and can draw anywhere from 50 to 150 amps. You’ll need a dedicated circuit breaker of the appropriate size. If your panel is already maxed out, you’ll need to upgrade it, which can add significantly to the overall cost. Don’t skip this step! It’s way better to know up front than to get stuck with a heater you can’t actually use. Hiring a licensed electrician to assess your electrical system is a smart move here.
Size and Installation: Where Will This Thing Go?
Compared to traditional tank heaters, electric on demand heaters are wonderfully compact. But you still need to consider where you’ll install it and how easy (or difficult) the installation process will be.
Think about the available space. While smaller than a tank, some units are still larger than others. Also, consider the proximity to your plumbing and electrical connections. The closer it is, the easier and cheaper the installation will be. Some units are designed for DIY installation, while others definitely require a professional plumber and electrician. Read the installation instructions carefully before making a purchase, and be honest with yourself about your DIY skills.
Energy Efficiency: Saving Money in the Long Run
One of the main draws of on demand water heaters is their energy efficiency. Because they only heat water when you need it, you avoid the standby heat loss associated with traditional tank heaters. However, energy efficiency varies from unit to unit.
Look for the Energy Factor (EF) rating. This number indicates how efficiently the heater converts energy into hot water. The higher the EF, the more efficient the unit. Keep in mind that while on demand heaters can save you money, the initial cost is usually higher than a tank heater. Calculate how long it will take to recoup that initial investment through energy savings. It’s also worth exploring any rebates or incentives offered by your local utility company. Some regions offer financial rewards for installing energy-efficient appliances. Therefore, it’s a key consideration in the selection of the best electric on demand hot water heaters.
Durability and Maintenance: How Long Will It Last?
Like any appliance, an electric on demand hot water heater is an investment. You want to make sure it’s built to last and that you understand the maintenance requirements.
Read reviews and look for reputable brands known for their reliability. Check the warranty. A longer warranty usually indicates the manufacturer’s confidence in their product. Also, consider the water quality in your area. Hard water can cause mineral buildup, which can reduce the heater’s efficiency and lifespan. If you have hard water, you may need to install a water softener or periodically flush the heater to remove mineral deposits. These are vital steps in ensuring the longevity of your investment.
Smart Features and Connectivity: The Modern Touch
In today’s connected world, even water heaters are getting smarter! Some electric on demand models come with features like Wi-Fi connectivity, temperature controls via smartphone app, and even usage monitoring.
While not essential, these features can be pretty handy. Being able to adjust the temperature remotely or track your hot water usage can help you optimize energy consumption and potentially save money. Some smart heaters also offer leak detection and automatic shut-off, which can prevent costly water damage. Think about what features are important to you and whether they justify the extra cost. These added perks can significantly enhance your daily living experience.
Frequently Asked Questions
What size electric tankless water heater do I need?
Choosing the right size really depends on your hot water needs. Think about how many hot water appliances you might use at the same time. Are you typically showering while the dishwasher is running, or do you prefer to stagger those activities? A good rule of thumb is to calculate the total flow rate (gallons per minute or GPM) you need based on the fixtures you use simultaneously.
Once you have that GPM number, you can compare it against the capabilities of different tankless models. Keep in mind that colder climates require a higher GPM because the incoming water temperature is lower, so the heater has to work harder. Don’t hesitate to overestimate a little – it’s better to have extra capacity than to be stuck with lukewarm water!
Are electric tankless water heaters expensive to operate?
The great thing about electric tankless water heaters is that they only heat water when you need it. This means you’re not constantly paying to keep a tank of water hot, even when you’re not using it. This can lead to savings on your energy bill, especially if you have a smaller household and don’t use hot water all day long.
However, it’s also true that electric tankless heaters can draw a significant amount of power when they’re actively heating water. So, if you’re running multiple high-demand appliances at the same time, you might see a temporary spike in your electricity usage. Consider your usage patterns and compare it to your current water heating costs to get a better idea of potential savings.
Do electric tankless water heaters require special electrical wiring?
This is a super important question! Most electric tankless water heaters require dedicated circuits and heavier gauge wiring than your standard water heater. They often need 240-volt connections, which is similar to what your clothes dryer or oven uses.
Before you purchase a unit, definitely check the manufacturer’s specifications and consult with a qualified electrician. They can assess your current electrical panel and wiring to determine if it can handle the load or if you’ll need to upgrade. This is crucial for safety and ensuring your tankless heater operates properly.
How long do electric tankless water heaters typically last?
Electric tankless water heaters are known for their longevity! With proper maintenance, you can expect them to last 20 years or even longer. This is significantly longer than traditional tank water heaters, which typically last around 10-15 years.
The reason for their long lifespan is that they don’t have a tank that can corrode or accumulate sediment. Regular flushing to remove mineral buildup can help extend their lifespan even further. While the initial investment might be higher, their durability can make them a cost-effective choice in the long run.
Are electric tankless water heaters difficult to install?
While some handy homeowners might be tempted to DIY the installation, it’s generally recommended to hire a professional plumber and electrician. These heaters often require plumbing modifications and, more importantly, electrical work that needs to be done safely and according to code.
An incorrect installation can not only void the warranty but also pose a safety hazard. A professional can ensure the heater is properly sized for your needs, connected to the correct wiring, and that all plumbing connections are secure. This will save you headaches (and potentially costly repairs) down the road.
Can an electric tankless water heater provide enough hot water for my whole house?
Yes, absolutely! You just need to make sure you choose the right size for your household’s hot water demands. Whole-house tankless heaters are designed to handle multiple fixtures running at the same time, like showers, dishwashers, and washing machines.
The key is to calculate your peak hot water usage. Add up the GPM (gallons per minute) requirements of all the appliances you might use simultaneously and choose a heater that can meet or exceed that number. Again, factors like your climate and incoming water temperature play a role in determining the right size.
What are some common problems with electric tankless water heaters?
One of the most common issues is mineral buildup, especially in areas with hard water. Over time, mineral deposits can reduce the heater’s efficiency and lifespan. Regular flushing can help prevent this. Another potential problem is electrical overload, which can happen if the heater is drawing more power than the circuit can handle.
Also, sometimes flow sensors can malfunction, causing the heater to not activate properly. Routine maintenance and inspections can help catch these problems early. Many models have self-diagnostic features that can alert you to potential issues before they become major headaches.
Final Words
Alright, you’ve got the lowdown on the best electric on demand hot water heaters, from power-saving pros to space-saving heroes. Now, it’s time to ditch that lukewarm disappointment and say hello to endless showers, efficient energy use, and a more streamlined home. Consider your family size, hot water needs, and electrical capacity. Armed with this knowledge, you’re well-equipped to make a confident choice and upgrade to a hot water solution that truly fits your lifestyle.
Feeling empowered and ready to make the switch? You should be! Choosing one of the best electric on demand hot water heaters isn’t just about convenience; it’s about taking control of your energy consumption and creating a more comfortable, sustainable living space. Take a deep breath, trust your gut, and get ready to experience the joy of instant, endless hot water – you deserve it!