Remember that last winter when the family came to visit? Trying to juggle back-to-back showers, run the dishwasher, and do a load of laundry felt like a constant battle against the rapidly dwindling hot water supply. We’d huddle in sweaters waiting for the tank to reheat, dreaming of a day when everyone could enjoy a comfortably warm shower without worrying about leaving the others out in the cold. It got us thinking, maybe it’s time to ditch the traditional tank and explore alternatives, specifically the best electric tankless water heaters for whole houses.
If you’re like us and yearning for endless hot water, then you’ve come to the right place. We’ve put together a comprehensive guide to help you navigate the world of electric tankless water heaters. From understanding the key features to comparing top-rated models, we’ll provide you with all the information you need to choose the best electric tankless water heaters for whole houses, ensuring that your days of cold shower surprises are a thing of the past.
Before moving into the review of the best electric tankless water heaters for whole houses, let’s check out some of the relevant products from Amazon:
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Say Goodbye to Tank Troubles: A Warm Welcome to Tankless
Remember those days of anxiously waiting for the shower to heat up, hoping no one flushed a toilet and stole all the warmth? Or perhaps you’ve experienced the dreaded cold shower surprise when the tank runs dry? We’ve all been there! Traditional tank water heaters, while familiar, can be energy hogs and space invaders. But what if I told you there’s a better way to enjoy endless hot water, exactly when and where you need it? That’s where electric tankless water heaters come into play.
Enter the world of on-demand hot water! Electric tankless heaters are compact powerhouses that heat water only when you turn on the tap. No more storing 40, 50, or even 80 gallons of water that’s constantly being reheated, wasting precious energy and dollars. Studies show that switching to a tankless system can potentially save you up to 34% on your water heating costs, depending on your usage habits. Imagine what you could do with that extra cash!
Now, when it comes to heating an entire home, not just any tankless unit will do. We’re talking about the best electric tankless water heaters for whole houses, the ones designed to handle multiple simultaneous demands. Think of it like this: you need a workhorse, not a pony. These powerful units deliver consistent hot water to multiple bathrooms, kitchens, and laundry rooms, ensuring everyone enjoys a comfortable experience.
Choosing the right electric tankless water heater for your whole house can seem daunting, but don’t worry! We’re here to guide you through the process. We’ll break down the key features, compare top models, and help you find the perfect fit for your needs and budget. Get ready to embrace the future of hot water – a future that’s efficient, space-saving, and wonderfully endless!
Best Electric Tankless Water Heaters For Whole Houses – Reviews
EcoSmart ECO 27 Electric Tankless Water Heater
The EcoSmart ECO 27 is a powerhouse, capable of delivering hot water on demand to a whole house, even in colder climates. It boasts self-modulating technology, meaning it only uses the energy needed to heat the water you’re actually using. No more wasting electricity heating up a giant tank! This heater is best suited for homes with a 200 amp electrical panel, and the digital temperature control allows for precise adjustments, ensuring your shower is always the perfect temperature.
Installation is generally straightforward for a qualified electrician, but it’s important to remember this unit requires multiple dedicated breakers, so proper electrical infrastructure is key. Users consistently praise its ability to provide endless hot water, even when multiple appliances are running simultaneously. While the initial investment might seem higher than a traditional tank, the energy savings and space-saving design often make it a worthwhile upgrade in the long run.
Rheem Performance Platinum RTE 36 Electric Tankless Water Heater
The Rheem Performance Platinum RTE 36 is another excellent choice for whole-house hot water, known for its robust performance and user-friendly design. This model offers a digital display with intuitive controls, making it easy to set your desired temperature. It’s designed to handle multiple simultaneous hot water demands, so you can say goodbye to lukewarm showers when the dishwasher is running.
One of the standout features is its self-modulating power, which helps conserve energy and lower utility bills. It’s also relatively compact, saving valuable space compared to a traditional tank water heater. Keep in mind, like other high-powered electric tankless models, professional installation by a qualified electrician is crucial to ensure it’s properly connected to your home’s electrical system.
Stiebel Eltron Tempra 36 Plus Electric Tankless Water Heater
The Stiebel Eltron Tempra 36 Plus is a German-engineered marvel renowned for its advanced technology and consistent performance. This model incorporates advanced flow control technology, which automatically adjusts the water flow to maintain a consistent temperature, even when demand fluctuates. It’s a smart system designed to give you ultimate control and comfort.
Beyond its smarts, the Tempra 36 Plus is known for its durability and long lifespan. While it comes with a higher price tag, many users feel the investment is justified by its reliability and energy efficiency. As with any high-powered electric tankless water heater, proper electrical infrastructure and professional installation are critical for optimal performance and safety.
Titan SCR4 N-120 Electric Tankless Water Heater
The Titan SCR4 N-120 is a solid choice for smaller homes or apartments looking to switch to tankless technology. This unit boasts a compact design, making it ideal for tight spaces where traditional tanks simply won’t fit. While it may not have the same power as some of the larger models, it’s still capable of providing on-demand hot water for a single bathroom or smaller applications.
The simplicity of its design also translates to easier installation, although it’s still highly recommended to have a qualified electrician handle the wiring. Users appreciate its affordability and reliability, making it a budget-friendly entry point into the world of tankless water heaters. It might not be the best fit for large families with heavy hot water demands, but for smaller households, it’s a great option.
Ecosmart ECO 18 Electric Tankless Water Heater
The EcoSmart ECO 18 is a mid-range electric tankless water heater that provides a good balance of performance and affordability. Designed for smaller homes or point-of-use applications, this model can comfortably handle a single shower and a sink simultaneously, making it a perfect upgrade for a small bathroom or kitchen. Its compact size also makes it easy to install in tight spaces.
The EcoSmart ECO 18 features self-modulating technology, meaning it only uses the energy needed to heat the water you’re actually using, which can help reduce your energy bills. While it may not be suitable for larger homes with high hot water demands, it’s an excellent option for smaller households or those looking to supplement their existing hot water system. Remember to consult with an electrician to ensure your home’s electrical system can support the load.
Why Go Tankless? Electric Tankless Water Heaters for Your Whole Home
Imagine this: You’re enjoying a long, hot shower after a stressful day, and suddenly, the water turns ice cold. Or picture yourself running the dishwasher, starting a load of laundry, and then hopping in the shower, only to be met with lukewarm water. These are the frustrating realities of traditional tank water heaters. But there’s a better way! Electric tankless water heaters for whole houses offer a revolutionary solution, providing endless hot water on demand, only when you need it.
The beauty of an electric tankless system lies in its efficiency. Unlike traditional tanks that constantly heat and reheat water, wasting energy, a tankless heater warms water instantly as it flows through the unit. This means you’re only paying to heat the water you use, significantly reducing your energy bills. Think of it as a switch – hot water is available whenever you flip it on, and it disappears the moment you turn it off. No more wasted energy sitting in a tank, cooling down and requiring constant reheating.
Choosing one of the best electric tankless water heaters for whole houses can also free up valuable space in your home. Tankless units are much smaller than their tank counterparts, often mounting on a wall, allowing you to reclaim storage space or even rethink your layout. Plus, with no tank to leak or corrode, you’re avoiding potential water damage and costly repairs down the road, offering peace of mind and long-term value.
Ultimately, switching to an electric tankless water heater is an investment in comfort, efficiency, and convenience. Endless hot showers, lower energy bills, and freed-up space are just a few of the benefits. By choosing one of the best electric tankless models, you’re upgrading your home to a more sustainable and enjoyable living experience. Ditch the tank, embrace the future, and say goodbye to cold water surprises!
Sizing Your Electric Tankless Water Heater: Getting it Right
Imagine this: You’re in the middle of a wonderfully hot shower, relaxing after a long day, when suddenly the water turns ice cold. This isn’t a horror movie; it’s often the consequence of an improperly sized tankless water heater. Getting the right size is crucial, especially for a whole-house unit. You need to consider how many appliances you might use simultaneously.
Sizing isn’t just about the size of your house; it’s about your lifestyle. Do you often run the dishwasher and take a shower at the same time? Do you have multiple bathrooms that could be in use concurrently? These are important questions to ask yourself before diving into the buying process. Overestimating is better than underestimating, as it’s far better to have excess hot water than to experience those dreaded cold-water surprises.
Peak demand is another key factor. Think about those holiday gatherings where the kitchen is bustling, showers are running, and laundry is going. This is when your water heater will be put to the test. Check the gallons per minute (GPM) rating of your faucets and showers. Add them up, and that’s the GPM your tankless water heater needs to handle at your desired temperature rise.
Ultimately, consulting with a professional plumber or electrician is a smart move. They can assess your specific needs and provide expert recommendations based on your home’s plumbing system and electrical capacity. They’ll ensure you’re making an informed decision that will keep you comfortable for years to come.
Installation Considerations: DIY vs. Professional
Picture this scenario: you’ve excitedly unboxed your new electric tankless water heater, ready to enjoy endless hot water. You think, “Hey, I’m pretty handy, I can install this myself!” While DIY projects can be satisfying, installing a tankless water heater, especially an electric one, can be a complex undertaking with significant safety implications.
Electrical work is the primary concern. Electric tankless heaters require high voltage and amperage, often demanding dedicated circuits. A mistake can lead to electrical shock, fire hazards, or damage to your home’s wiring. If you’re not comfortable working with electricity, it’s best to leave it to a licensed electrician.
Plumbing is the other half of the equation. You’ll need to connect the heater to your water lines, ensuring proper connections and leak-free seals. Incorrect plumbing can lead to water damage and costly repairs. Professionals are also equipped with specialized tools for tasks like soldering and pipe fitting.
Even if you’re tempted to DIY, consider local building codes and regulations. Many jurisdictions require permits and inspections for plumbing and electrical work. A professional installer will be familiar with these requirements and ensure your installation is compliant, saving you potential headaches down the road. A professional installation, while more expensive upfront, can provide peace of mind and prevent costly mistakes.
Understanding Energy Efficiency and Cost Savings
Imagine getting your monthly utility bill and seeing a significantly lower number than usual. That’s the potential reality with an electric tankless water heater. These units heat water on demand, eliminating the energy waste associated with traditional tank heaters constantly heating and reheating water.
The key to realizing cost savings lies in understanding energy efficiency. Tankless heaters are rated by their energy factor (EF), which represents the percentage of energy they convert into hot water. A higher EF means greater efficiency and lower energy bills. Look for Energy Star certified models, which meet stringent efficiency standards.
Beyond the EF, your actual savings will depend on your water usage habits. If you’re a low-water-use household, you’ll likely see the most significant savings compared to a family that showers frequently and runs multiple appliances simultaneously. It’s helpful to compare your current water heating costs to the estimated savings of a tankless model.
However, don’t just focus on the monthly savings. Consider the initial investment cost of the tankless heater and installation, as well as the lifespan of the unit. Tankless heaters typically last longer than traditional tanks, potentially offsetting the higher upfront cost over time. Calculate the total cost of ownership to make an informed decision about whether a tankless heater is a financially sound choice for your home.
Maintenance Tips for Longevity
Envision your electric tankless water heater humming quietly in the background, providing hot water whenever you need it. To keep it running smoothly and efficiently for years to come, regular maintenance is essential. Treat it well, and it will treat you well.
One of the most important maintenance tasks is flushing the unit. Over time, mineral deposits, like calcium and magnesium, can build up inside the heat exchanger, reducing efficiency and potentially causing damage. Flushing removes these deposits, ensuring optimal performance. Check your owner’s manual for specific instructions on how often to flush your unit.
Another crucial area to monitor is the water filter, if your unit has one. This filter protects the heater from sediment and debris in the water supply. A clogged filter can restrict water flow and reduce efficiency. Clean or replace the filter as recommended by the manufacturer.
Regularly inspect the unit for any signs of leaks or corrosion. Address any issues promptly to prevent further damage. If you’re not comfortable performing these tasks yourself, consider hiring a qualified technician for annual maintenance. A little preventative care can go a long way in extending the life of your electric tankless water heater.
Best Electric Tankless Water Heaters For Whole Houses: A Buyer’s Guide
Hey there! So, you’re thinking about going tankless and electrifying your whole house’s hot water situation? Awesome! You’re in the right place. Switching to an electric tankless water heater can be a game-changer for energy efficiency and space saving. But with so many options out there, picking the perfect one can feel overwhelming. Don’t worry, I’m here to help you navigate the waters (pun intended!) and find the best electric tankless water heaters for whole houses that truly fit your needs.
Think of me as your friendly guide, walking you through the key things to consider before you take the plunge. I’ll break down the technical stuff in a way that’s easy to understand, so you can make a confident decision and enjoy endless hot showers for years to come. Let’s dive in!
1. Figuring Out Your Flow Rate Needs
Okay, first things first: how much hot water do you actually use at once? This is crucial. Imagine this: you’re happily washing dishes, your partner’s taking a shower, and the washing machine is chugging away… suddenly, the shower turns icy cold! That’s because your heater can’t keep up with the demand. So, let’s prevent that from happening!
To figure out your flow rate needs, think about all the appliances and fixtures you might use simultaneously. A showerhead typically uses 2.5 gallons per minute (GPM), a kitchen faucet about 1.5 GPM, and a washing machine around 2 GPM. Add them all up, and you’ll get a good estimate of your peak flow rate. The best electric tankless water heaters for whole houses are selected to meet these peak demands so you never run out of hot water. Remember, it’s always better to overestimate slightly than to underestimate and end up with lukewarm water when you need it most!
2. Understanding Temperature Rise Requirements
Temperature rise is simply the difference between the temperature of the incoming water and the temperature you want your hot water to be. This can vary wildly depending on where you live. For example, if you live in a colder climate, your incoming water will be much colder than someone living in a warmer climate.
To figure out your required temperature rise, find out the average temperature of the incoming water in your area (a quick online search should do the trick) and subtract that from your desired hot water temperature (usually around 120°F). For instance, if your incoming water is 50°F and you want 120°F hot water, you need a temperature rise of 70°F. Pairing this temperature rise requirement with your flow rate calculation is essential for choosing the best electric tankless water heaters for whole houses. Heaters are rated to deliver a certain temperature rise at a specific flow rate, so make sure the unit you choose can handle both simultaneously.
3. Electrical Capacity: Can Your Home Handle It?
Electric tankless water heaters are power-hungry beasts! They require a significant amount of electricity to heat water on demand, which means you need to make sure your home’s electrical system can handle the load. This isn’t something to take lightly – overloading your electrical panel can be dangerous.
Check your electrical panel to see how many amps it can handle. Tankless heaters often require multiple dedicated circuits and hefty amperage (think 100-200 amps). You might need to upgrade your electrical panel, which is an added expense but essential for safety and performance. Call a qualified electrician to assess your home’s electrical capacity and determine if an upgrade is necessary before you buy one of the best electric tankless water heaters for whole houses. They can tell you exactly what you need to safely and efficiently run your new heater.
4. Sizing the Unit Correctly (Don’t Guess!)
Sizing is crucial when choosing the best electric tankless water heaters for whole houses. Don’t just pick one at random based on the size of your house! An undersized unit won’t be able to provide enough hot water, while an oversized unit will be unnecessarily expensive and inefficient.
The manufacturer’s specifications will tell you the GPM and temperature rise capabilities of each unit. Compare those numbers to your needs, which you’ve already calculated in steps 1 and 2. It’s always better to slightly oversize than undersize, but aim for a heater that matches your needs as closely as possible. Many manufacturers offer sizing tools on their websites or recommend consulting with a professional installer. Don’t hesitate to seek their expert opinion; they can help you avoid costly mistakes.
5. Considering Installation Requirements and Costs
Installing an electric tankless water heater isn’t always a DIY project, especially if you’re dealing with electrical work and plumbing modifications. It often requires a professional plumber and electrician, which will add to the overall cost.
Get quotes from several qualified contractors to compare prices and ensure they have experience installing tankless water heaters. Ask about any potential challenges in your specific home, such as limited space or unusual plumbing configurations. Some units may require special venting or connections, which can further increase the installation cost. Remember to factor in the cost of permits as well. While the initial investment might seem higher than a traditional tank heater, the long-term energy savings and convenience of the best electric tankless water heaters for whole houses can make it worthwhile.
6. Understanding Energy Efficiency and Cost Savings
One of the biggest draws of tankless water heaters is their energy efficiency. Unlike traditional tank heaters that constantly heat water, tankless heaters only heat water when you need it. This can result in significant energy savings over time, especially if you have a large household or frequently use hot water.
Look for models with high Energy Factor (EF) ratings. The higher the EF, the more efficient the unit. Consider the long-term cost savings when comparing different models. Calculate your potential savings based on your current energy consumption and the EF rating of the tankless heater. While the initial cost of the best electric tankless water heaters for whole houses might be higher, the reduced energy bills can often offset the difference over the lifespan of the unit. Some utility companies also offer rebates for installing energy-efficient appliances, so be sure to check for those in your area.
7. Researching Brands and Reading Reviews
Not all tankless water heaters are created equal! Some brands have a reputation for quality and reliability, while others are known for being unreliable. Before you commit, do your research and read reviews from other homeowners.
Look for brands that offer solid warranties and have a good track record of customer support. Pay attention to what other users are saying about the heater’s performance, ease of installation, and reliability. Check out independent review sites and forums to get unbiased opinions. Don’t just rely on the manufacturer’s claims; see what real people are saying about their experiences with the best electric tankless water heaters for whole houses. A little bit of research can save you a lot of headaches (and money) in the long run.
Frequently Asked Questions
What size electric tankless water heater do I need for my whole house?
Figuring out the right size electric tankless water heater is key to making sure everyone gets hot water when they need it. It’s not a one-size-fits-all situation, unfortunately. You need to consider the number of bathrooms and appliances that will be using hot water simultaneously. Think about peak usage times, like when everyone’s showering in the morning.
To get a good estimate, calculate the total gallons per minute (GPM) required during these peak times. Then, factor in your local ground water temperature to determine the temperature rise needed. Most manufacturers have sizing guides that can help, or you can consult with a plumber to get personalized advice based on your specific needs and home. They can assess your plumbing setup and ensure you choose a unit that can comfortably handle your hot water demands.
Are electric tankless water heaters energy efficient?
Absolutely, electric tankless water heaters are often touted for their energy efficiency. The main reason is that they only heat water when you need it. Unlike traditional tank heaters that constantly keep a reservoir of water hot, tankless models heat water on demand. This means you’re not wasting energy heating water that’s just sitting there waiting to be used.
However, it’s important to remember that the upfront cost of an electric tankless water heater can be higher than a traditional tank. Plus, you might need to upgrade your electrical panel to accommodate the higher power draw. Even with these initial costs, the long-term savings on your energy bill can often make it a worthwhile investment. Just be sure to compare the efficiency ratings and consider your specific usage patterns to determine if it’s the right choice for you.
Do electric tankless water heaters require professional installation?
Generally, yes, professional installation is highly recommended for electric tankless water heaters. These units require significant electrical connections, often needing higher voltage and amperage than standard household appliances. Incorrect wiring can be dangerous and could damage the unit or even cause a fire hazard.
While some particularly handy homeowners might be tempted to DIY, it’s usually best to leave it to the pros. A qualified electrician can ensure the unit is properly connected to your electrical system and meets all local codes. A plumber can handle the water connections to prevent leaks and ensure optimal performance. Investing in professional installation provides peace of mind and helps protect your investment.
What is the lifespan of an electric tankless water heater?
Electric tankless water heaters are known for their longevity. You can typically expect them to last around 20 years or even longer with proper maintenance. This is significantly longer than traditional tank water heaters, which usually need replacing after 10-15 years.
Several factors contribute to their long lifespan. Since they don’t store water, there’s less risk of corrosion and sediment buildup, which are common problems with tank heaters. Regular maintenance, such as flushing the unit periodically to remove any mineral deposits, can further extend its lifespan. While the initial investment might be higher, the durability and longer lifespan can make them a cost-effective choice in the long run.
Are electric tankless water heaters suitable for homes with hard water?
Hard water can be a concern with any water heater, but electric tankless models can be affected, especially if precautions aren’t taken. Hard water contains high levels of minerals like calcium and magnesium, which can lead to scale buildup inside the unit. This scale can reduce efficiency, restrict water flow, and potentially damage the heating elements over time.
Fortunately, there are solutions. Installing a whole-house water softener can significantly reduce the mineral content of the water entering your home, protecting your tankless heater and other appliances. Regular flushing of the unit with a descaling solution is also recommended to remove any existing mineral buildup. By taking these preventative measures, you can enjoy the benefits of a tankless water heater even with hard water.
What are the common problems associated with electric tankless water heaters?
While electric tankless water heaters are generally reliable, like any appliance, they can sometimes experience issues. One of the most common problems is mineral buildup, especially in areas with hard water. This can reduce water flow and heating efficiency. Another issue can be related to electrical load. Because they require a significant amount of power, they can sometimes trip breakers if the electrical system is not properly sized or if other high-demand appliances are running simultaneously.
Also, some users occasionally experience what’s called the “cold water sandwich” – a brief burst of cold water between hot water usage. This happens as the unit cycles on and off. However, newer models are designed to minimize this. Regular maintenance, such as flushing the unit and ensuring proper electrical capacity, can help prevent these problems and keep your tankless heater running smoothly.
How much does it cost to run an electric tankless water heater?
The cost of running an electric tankless water heater really depends on a few things, like how much hot water you use, the electricity rates in your area, and the efficiency of your specific unit. Unlike a tank heater that’s constantly using energy to keep water hot, a tankless heater only uses electricity when you’re actively using hot water, which can save you money.
To get a good idea of your potential running costs, check the unit’s energy factor (EF) rating, which indicates its efficiency. Also, consider your typical hot water usage patterns. If you live in an area with high electricity rates or if you have a large family that uses a lot of hot water, your costs might be higher. Using an energy usage calculator, factoring in your local electricity rates, is a great way to estimate your annual running costs and see if it’s a good fit for your budget.
Final Thoughts
So, there you have it – a deep dive into the world of the best electric tankless water heaters for whole houses! We’ve covered everything from understanding your home’s hot water needs to comparing top models and crucial factors to consider. Hopefully, this guide has given you the knowledge and confidence to ditch that bulky tank and embrace the future of on-demand hot water. Imagine never running out of hot water again, lower energy bills, and freeing up valuable space in your home. It’s all within reach!
Now’s the time to take the plunge! Don’t let analysis paralysis hold you back. Revisit your notes, consider your priorities, and choose the model that best aligns with your lifestyle and budget. Installing a tankless water heater is an investment in your home’s comfort, efficiency, and long-term value. We’re confident you’ll find the perfect match to enjoy endless hot water for years to come. Get ready to experience the joy of instant, unlimited hot water – you deserve it!