Remember that morning when you were getting ready for work, and the shower suddenly turned icy cold halfway through? Or the time you were washing dishes after a family dinner, and the hot water gave out just as you were tackling the greasiest pots? We’ve all been there, battling inconsistent hot water and dreaming of an endless supply. That’s where the idea of upgrading to a more efficient and reliable system comes in. Today, many homeowners are exploring the benefits of a tankless system and are asking questions like, “what are the best whole house electric tankless hot water heaters out there?”
Choosing the right hot water heater for your home is a big decision, and it can be overwhelming with so many options available. Our goal is to make that process easier for you. This guide is designed to provide you with comprehensive reviews and a detailed buying guide to help you find the best whole house electric tankless hot water heaters that perfectly fits your needs and budget. We’ll dive into the key features, benefits, and potential drawbacks of different models, so you can finally say goodbye to cold showers and hello to continuous hot water.
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Say Goodbye to Tank Troubles: A Hot Shower Revolution
Remember the days of lukewarm showers and strategic showering schedules to avoid running out of hot water? We’ve all been there, especially if you have a traditional tank water heater. But what if I told you there was a better way? Imagine endless hot water, on demand, without the energy-hogging giant sitting in your basement. That’s the promise of tankless water heaters, specifically electric models designed to handle the hot water needs of your entire home.
The world of water heating is changing, and more homeowners are turning to electric tankless systems for their energy efficiency and space-saving design. It’s estimated that a family of four can save up to 34% on their water heating costs by switching to a tankless system, according to the Department of Energy. Think of all the things you could do with that extra money! No more worrying about preheating 40-80 gallons of water that sits unused most of the day.
But with so many options on the market, figuring out which one is right for your home can feel overwhelming. That’s where this guide comes in! We’re going to explore the world of best whole house electric tankless hot water heaters, diving into what makes them tick, what to consider before you buy, and which models consistently rise to the top in terms of performance and reliability.
Whether you’re building a new home, renovating an existing one, or simply tired of the limitations of your traditional tank, this article is designed to help you navigate the often-confusing landscape of tankless technology. Get ready to discover a smarter, more efficient way to heat your water and finally say goodbye to those lukewarm shower days!
The Best Whole House Electric Tankless Hot Water Heaters
Rheem RTEX-36
The Rheem RTEX-36 is a powerhouse designed for larger homes, delivering a consistent flow of hot water without the wait. Its digital temperature control and self-modulating power ensure optimal energy efficiency. Installation is straightforward, especially if the home is already wired for the required amperage. Plus, with its compact design, it saves valuable space compared to traditional tank heaters.
While the RTEX-36’s high power rating demands a significant electrical infrastructure, the payoff is endless hot water for multiple showers and appliances running simultaneously. If struggling with lukewarm water during peak usage, this could be the perfect solution. The robust construction and user-friendly interface contribute to a reliable and convenient hot water experience.
EcoSmart ECO 27
Looking for a smart way to save energy and enjoy endless hot water? The EcoSmart ECO 27 is a popular choice for good reason. This model is self-modulating, meaning it only uses the energy needed to heat the water demanded. Its advanced flow control technology further contributes to energy efficiency by preventing overheating. The digital temperature display allows for precise adjustments, so the water is always exactly how it is needed.
The EcoSmart ECO 27 is a solid investment that can pay for itself over time through energy savings. Its compact size makes it easy to install in tight spaces. However, keep in mind that like other whole-house tankless heaters, proper electrical infrastructure is crucial for optimal performance. A professional electrician can ensure everything is up to code and running smoothly.
Stiebel Eltron Tempra 29 Plus
The Stiebel Eltron Tempra 29 Plus offers advanced flow control and consistent temperature delivery even when demand fluctuates. Its electronic temperature control and self-modulating technology ensure efficient operation. This model is known for its durable construction and reliable performance, promising years of worry-free hot water.
The Tempra 29 Plus’s sleek design seamlessly integrates into any home, and its quiet operation ensures a peaceful environment. Though professional installation is recommended, the user-friendly interface makes it easy to adjust temperature settings. This heater provides a luxurious and efficient hot water solution for a busy household.
Takagi T-H3-DV-N
For those who prefer gas-powered tankless water heaters, the Takagi T-H3-DV-N is a top contender. This model boasts a high energy factor and offers a consistent flow of hot water on demand. Its condensing design maximizes efficiency, reducing energy bills and environmental impact. The T-H3-DV-N is equipped with advanced safety features and diagnostics, providing peace of mind.
The Takagi T-H3-DV-N shines with its powerful heating capabilities and ability to handle multiple hot water demands simultaneously. Although gas tankless heaters generally require professional installation, the long-term benefits of energy savings and continuous hot water are worth considering. This heater is ideal for larger homes with a preference for gas appliances.
Westinghouse WGEN-325-NG
The Westinghouse WGEN-325-NG is another excellent gas-powered option. It is noted for its user-friendly interface and robust design, promising lasting performance. This model features multiple safety features, including freeze protection and overheat protection, providing added security. Its compact size and flexible venting options make installation relatively straightforward.
The WGEN-325-NG efficiently delivers hot water on demand and its high energy factor helps reduce utility costs. While professional installation is a must for gas-powered units, the benefits include continuous hot water and lower energy bills compared to traditional tank heaters. This heater presents a reliable and efficient hot water solution for any home.
Why You Should Consider a Whole House Electric Tankless Hot Water Heater
Imagine this: you’re enjoying a long, luxurious shower after a hard workout, only to have the water turn ice cold halfway through. Or, picture running the dishwasher and doing laundry at the same time, and suddenly the shower suffers a significant temperature drop. These are common woes of traditional tank water heaters, and they highlight a fundamental limitation: they can only deliver a finite amount of hot water. With a whole house electric tankless hot water heater, you can kiss these scenarios goodbye! The best models provide endless on-demand hot water, ensuring everyone in your home can enjoy their preferred temperature without battling for resources.
Think about the space savings too! Traditional tank heaters are bulky and take up valuable room in your basement, garage, or closet. Tankless units are compact and can be mounted on a wall, freeing up precious square footage for storage or other uses. Beyond the space and endless hot water, consider the potential cost savings. While the initial investment may be higher, tankless heaters are significantly more energy-efficient. They only heat water when you need it, eliminating the standby heat loss that constantly occurs with tank heaters. This can translate into lower monthly utility bills and a smaller carbon footprint – a win-win for your wallet and the environment!
The latest models boast smart features and precise temperature control, allowing you to customize your hot water experience to your exact preferences. You can even monitor energy usage and adjust settings remotely via a smartphone app. Imagine setting the water temperature a bit lower while you’re away on vacation to save even more money. These technological advancements make the best whole house electric tankless hot water heaters not just a convenience but a smart investment in your home’s efficiency and your long-term comfort.
Ultimately, upgrading to a whole house electric tankless hot water heater is about more than just avoiding cold showers. It’s about embracing a modern, efficient, and convenient lifestyle. It’s about reclaiming valuable space in your home, saving money on energy bills, and enjoying the peace of mind that comes with knowing you’ll always have an endless supply of hot water, precisely when and where you need it. Make the switch and experience the difference today!
Installation Considerations for Your New Tankless System
So, you’ve decided a whole-house electric tankless water heater is the way to go? Great choice! But before you click “buy,” let’s talk installation. Think of it like this: you wouldn’t buy a fancy new TV without considering where you’ll mount it, right? Same applies here. Improper installation can negate all the benefits, leaving you with lukewarm showers and a hefty bill.
First, check your electrical panel. These heaters demand a significant amount of power. You need to ensure your panel can handle the amperage required by the unit you choose. Imagine running your AC, oven, and then trying to take a hot shower – if your panel can’t handle it, you’ll be tripping breakers left and right! This is where consulting a qualified electrician is crucial; they can assess your current setup and advise on any necessary upgrades.
Another important consideration is the wiring. The gauge of the wire leading to your water heater needs to be thick enough to handle the electrical load. Using undersized wiring can lead to overheating and potentially a fire hazard. Think of it like trying to drink a smoothie through a tiny straw – it just won’t work! A professional electrician will know the correct wire gauge for your specific unit and can ensure a safe and compliant installation.
Finally, consider the placement of your heater. While tankless units are compact, they still need to be accessible for maintenance and repairs. Also, they shouldn’t be installed in areas prone to extreme temperatures or moisture. Picture this: you have a leak, and the heater is tucked away in a crawl space you can barely reach – nightmare scenario! Plan ahead to make future maintenance as easy as possible.
Maximizing Energy Efficiency and Saving Money
One of the biggest selling points of tankless water heaters is their energy efficiency. But just installing one doesn’t automatically guarantee massive savings. You need to understand how to use it optimally to reap the full benefits. Think of it like driving a fuel-efficient car; you still need to drive it smart to maximize gas mileage.
First, be mindful of your hot water usage habits. While tankless heaters provide on-demand hot water, running multiple high-demand appliances simultaneously can strain the system and potentially lower the water temperature. Imagine trying to run the dishwasher, washing machine, and take a shower all at the same time – the heater might struggle to keep up! Stagger your usage to avoid overwhelming the system.
Another way to maximize efficiency is to choose the right size heater for your needs. An oversized unit will waste energy by heating more water than you actually use, while an undersized unit will struggle to meet demand. It’s like wearing shoes that are too big or too small – neither is comfortable or efficient! Consult with a plumber to determine the appropriate size for your household based on the number of occupants and typical hot water usage.
Consider investing in low-flow showerheads and faucets. These fixtures reduce the amount of water you use without sacrificing water pressure. Think of it as a gentle rain versus a firehose – both get you wet, but one is far more efficient! By reducing water consumption, you reduce the amount of energy needed to heat the water, leading to lower utility bills.
Finally, schedule regular maintenance. Just like a car needs tune-ups, your tankless water heater needs periodic cleaning and inspection. Mineral buildup can reduce efficiency and shorten the lifespan of the unit. Imagine your heater’s performance slowly declining over time due to mineral deposits – preventative maintenance can keep it running smoothly for years to come!
Troubleshooting Common Issues and Maintenance Tips
Even the best tankless water heaters can experience occasional hiccups. Knowing how to troubleshoot common issues can save you time, money, and the frustration of a cold shower. Think of it like knowing basic car maintenance; you don’t need to be a mechanic, but knowing how to check the oil or change a tire can be a lifesaver.
One common issue is inconsistent water temperature. This can be caused by a number of factors, including low flow, mineral buildup, or a faulty flow sensor. Imagine your shower suddenly turning cold, then hot, then cold again – not exactly a relaxing experience! Start by checking the water flow to ensure it’s adequate. Then, consider descaling the unit to remove any mineral deposits.
Another frequent problem is error codes displayed on the unit. These codes provide valuable information about the specific issue, such as overheating, ignition failure, or sensor malfunction. Think of it like a diagnostic tool for your water heater. Consult your owner’s manual to decipher the meaning of the code and follow the recommended troubleshooting steps.
Regular maintenance is crucial for preventing many of these issues. Descaling the unit annually, or more frequently in areas with hard water, can prevent mineral buildup that reduces efficiency and causes damage. Imagine your heater slowly clogging up with mineral deposits over time – descaling is like giving it a deep clean! You can purchase descaling solutions specifically designed for tankless water heaters.
Finally, don’t ignore strange noises. If you hear unusual sounds coming from your water heater, such as banging, popping, or whistling, it’s a sign that something is wrong. Think of it like a warning light on your dashboard. Ignoring these noises can lead to more serious problems down the road. Contact a qualified technician to diagnose and repair the issue before it escalates.
Comparing Electric Tankless to Other Hot Water Solutions
Deciding on a hot water system can feel overwhelming with so many options available. While electric tankless heaters offer numerous advantages, it’s important to understand how they stack up against other common types. Think of it like choosing a car; you need to weigh the pros and cons of each type before making a decision.
Compared to traditional tank water heaters, electric tankless heaters offer on-demand hot water, meaning you only heat water when you need it. This eliminates standby heat loss, which can significantly reduce energy consumption. Imagine your old tank constantly heating water, even when you’re not using it – that’s wasted energy! Tankless heaters are also more compact, saving valuable space.
However, tankless heaters require a significant amount of electrical power, which may necessitate electrical panel upgrades. Traditional tank heaters, on the other hand, have lower power requirements and are often easier to install in existing homes. It’s like comparing a sports car to a family sedan – both have their advantages and disadvantages depending on your needs.
Compared to gas tankless heaters, electric models are generally easier and cheaper to install, as they don’t require gas lines or venting. Gas heaters, however, can often heat water more quickly and efficiently, especially in homes with high hot water demand. Imagine comparing electric to gas stovetops – both cook food, but they have different heating characteristics.
Finally, consider hybrid heat pump water heaters. These units combine the energy efficiency of a heat pump with the convenience of a traditional tank. They’re a great option for homeowners looking for a balance of energy savings and reliability. Think of it like a hybrid car – it combines the benefits of both electric and gasoline power. Ultimately, the best choice depends on your specific needs, budget, and home’s infrastructure.
Your Guide to Finding the Best Whole House Electric Tankless Hot Water Heater
Hey there! So, you’re thinking about switching to a whole house electric tankless hot water heater? That’s awesome! It’s a big decision, and it can totally change your hot water game. Imagine never running out of hot water again, and maybe even saving some money on your energy bills. It can sound a bit overwhelming diving into all the technical stuff, but don’t worry, I’m here to help you navigate through it all. We’ll break down everything you need to know to make the best decision for your home and lifestyle.
Choosing the best whole house electric tankless hot water heaters doesn’t have to be a headache. I’ll walk you through the key things to consider, so you can confidently choose the right model for your needs. Think of me as your friendly guide, helping you make sense of it all, without all the confusing jargon. Let’s get started!
1. Figuring Out Your Hot Water Needs
First things first, you’ve gotta know how much hot water you actually use. Think about your daily routines – how many showers do you take in the morning? How often do you run the dishwasher and washing machine? Are you usually doing them at the same time? It sounds obvious, but really understanding your peak demand is crucial. A family of four that all showers at the same time every morning will need a much more powerful unit than a single person who showers every other day.
Think about your busiest times. Maybe it’s Sunday morning when everyone is showering, and you’re washing dishes from breakfast. That’s your peak demand. Jot it all down – how many appliances and fixtures are typically running hot water simultaneously? Knowing this will help you determine the flow rate (gallons per minute or GPM) you need from your new tankless heater. Guessing here can lead to disappointment, so put some thought into this step. Getting this right is the first and most important step towards selecting one of the best whole house electric tankless hot water heaters for your home.
2. Calculating Your Required Flow Rate
Okay, now that you know your usage habits, let’s talk about flow rate. This is measured in gallons per minute (GPM), and it tells you how much hot water the heater can produce at a specific temperature. Each appliance and fixture has its own flow rate requirement. For example, a showerhead might use 2.5 GPM, a faucet 1.5 GPM, and a dishwasher 2 GPM. The total GPM needed will determine which model is right for you.
Add up the GPM of all the devices you might use at the same time. Let’s say you want to be able to shower (2.5 GPM), run the kitchen faucet (1.5 GPM), and do a load of laundry (2 GPM) simultaneously. That’s a total of 6 GPM. You’ll need a tankless heater that can handle at least 6 GPM. Don’t forget to also consider the temperature rise. This is the difference between the incoming water temperature and the desired hot water temperature. The colder your incoming water, the higher the GPM you’ll need from your tankless heater to achieve the temperature you want. Always round up to the nearest whole number for peace of mind, and always choose a model that handles your peak flow rate to enjoy the luxury of endless hot water. Many people consider this when evaluating the best whole house electric tankless hot water heaters.
3. Understanding Electrical Requirements
Electric tankless heaters are power-hungry beasts! You need to make sure your electrical system can handle the load. These units require significant amperage, and you might need to upgrade your electrical panel to accommodate them. It’s not as simple as plugging it into a standard outlet. You’ll need a dedicated circuit breaker with the appropriate amperage rating.
Check your electrical panel to see if you have enough capacity. A licensed electrician can assess your system and tell you if you need an upgrade. They’ll also ensure the wiring is properly installed and up to code. This is not a DIY project – electrical work can be dangerous. While it might seem like an added expense upfront, upgrading your electrical system is crucial for safety and ensuring your new heater functions correctly. Also, consider the voltage requirements. Most whole house electric tankless hot water heaters require 240V, which is different from the standard 120V outlets you typically use. Getting this wrong is a recipe for disaster! A qualified electrician is essential when setting up the best whole house electric tankless hot water heaters.
4. Considering the Temperature Rise
Temperature rise is a crucial factor often overlooked. It refers to how much the tankless heater needs to raise the temperature of the incoming water to reach your desired hot water temperature. For example, if your incoming water is 50°F and you want your shower water to be 120°F, the temperature rise is 70°F. The colder the incoming water, the harder the heater has to work.
Living in a colder climate means you’ll likely have colder incoming water, especially during winter. This significantly impacts the heater’s ability to deliver hot water at the desired flow rate. Heaters are often rated based on a specific temperature rise. Make sure the heater you choose can handle the temperature rise you need in your area. Otherwise, you might find yourself with lukewarm showers during the coldest months. This is another area where careful planning will ensure you select one of the best whole house electric tankless hot water heaters for your situation.
5. Evaluating Size and Installation Space
Tankless heaters are much smaller than traditional tank heaters, which is great for saving space. However, you still need to consider the available space for installation. Think about where you’ll be installing the unit and make sure there’s enough room for it, as well as for any necessary plumbing and electrical connections.
Even though they are compact, tankless heaters need to be mounted securely on a wall. You’ll also need to ensure there’s enough clearance around the unit for proper ventilation and maintenance. Consider easy access for future servicing or repairs. Don’t forget to factor in the space needed for plumbing connections, electrical hookups, and any required venting. Carefully measure your available space before making a purchase to avoid any headaches during installation. This is an important consideration when planning for the best whole house electric tankless hot water heaters in your home.
6. Checking for Energy Efficiency and Savings
One of the biggest draws of tankless heaters is their potential for energy savings. Traditional tank heaters constantly heat water, even when you’re not using it, leading to standby heat loss. Tankless heaters only heat water on demand, eliminating this waste. This can translate to significant savings on your energy bills over time.
Look for Energy Star certified models. These heaters meet specific energy efficiency standards and can save you even more money. The higher the energy factor (EF) rating, the more efficient the heater is. While the initial cost of a tankless heater might be higher than a tank heater, the long-term energy savings can often offset the difference. Do some research and compare the energy efficiency ratings of different models to see which one offers the best return on investment for your household. Evaluating these factors is key to ensuring you select one of the best whole house electric tankless hot water heaters for your situation.
7. Considering Brand Reputation and Warranty
Not all tankless heaters are created equal. Some brands have a better reputation for quality, reliability, and customer service than others. Do your research and read reviews from other users. See what people are saying about the heater’s performance, longevity, and ease of use. A good brand will stand behind its products.
Pay attention to the warranty offered by the manufacturer. A longer warranty period usually indicates greater confidence in the product’s durability. Check the warranty terms carefully to understand what is covered and what is not. Some warranties may require professional installation to be valid. Choosing a reputable brand with a solid warranty can give you peace of mind knowing that you’re protected in case of any issues. Also, read reviews specifically related to customer service. Knowing that you can easily reach someone and get support if needed is invaluable. This research will help you decide which model is one of the best whole house electric tankless hot water heaters available.
FAQ
What size electric tankless water heater do I need for my whole house?
Sizing an electric tankless water heater can seem a bit intimidating, but it’s really about understanding your hot water demands. Think about how many hot water appliances you might use simultaneously – things like showers, dishwashers, and washing machines. Each appliance requires a certain flow rate (gallons per minute or GPM), so you’ll need to add up the GPM requirements of all the appliances you might use at the same time. A good starting point is to estimate the temperature rise you need. That’s the difference between the incoming water temperature and the temperature you want your hot water to be.
Once you know your total GPM and temperature rise, you can use a sizing chart or calculator provided by the manufacturer or a qualified plumber to determine the correct kW (kilowatt) rating for your tankless water heater. Keep in mind that it’s generally better to err on the side of slightly larger than smaller. You don’t want to be stuck taking cold showers because your heater can’t keep up! A professional plumber can provide a precise calculation based on your specific needs and local climate, ensuring you get the right size for optimal performance.
Are electric tankless water heaters really energy efficient?
Absolutely! One of the biggest draws of electric tankless water heaters is their energy efficiency. Traditional tank water heaters constantly heat a large volume of water, even when you’re not using it, leading to standby heat loss. Electric tankless heaters, on the other hand, only heat water when you need it. This on-demand heating eliminates standby heat loss, potentially saving you money on your energy bills in the long run.
It’s important to remember that actual savings depend on your usage habits and how well-insulated your home is. If you take very short showers and rarely use hot water for other purposes, you might not see a dramatic difference. However, for most households, the energy savings can be quite significant. Plus, think of it as being kinder to the environment by reducing your energy consumption!
Can my existing electrical panel handle an electric tankless water heater?
This is a crucial question to ask before making the switch! Electric tankless water heaters require a significant amount of electricity, so you’ll need to make sure your electrical panel has the capacity to handle the additional load. A typical whole-house electric tankless heater might need multiple dedicated circuits and a high amperage rating. Overloading your electrical panel can be dangerous and could lead to tripped breakers or, in more serious cases, electrical fires.
The best way to determine if your panel can handle the load is to consult with a qualified electrician. They can assess your current electrical setup, calculate your existing load, and determine if your panel needs to be upgraded. While upgrading your panel might seem like an added expense, it’s essential for safety and ensuring your new tankless water heater functions properly. Think of it as an investment in the overall safety and efficiency of your home.
How long do electric tankless water heaters typically last?
Electric tankless water heaters are known for their longevity. Compared to traditional tank heaters, which often need replacing after 10-12 years, a well-maintained electric tankless heater can easily last 20 years or even longer. This is due to their design, which eliminates many of the components that are prone to failure in tank heaters, like the heating element being constantly submerged and exposed to hard water.
Regular maintenance, such as flushing the unit to remove mineral buildup, can further extend the lifespan of your tankless water heater. While the initial investment might be higher, the longer lifespan and reduced maintenance costs can make them a cost-effective choice in the long run. Plus, you won’t have to worry about dealing with a leaky tank and potential water damage!
Are electric tankless water heaters difficult to install?
While some DIY enthusiasts might be tempted to tackle the installation themselves, installing an electric tankless water heater is generally best left to the professionals. The installation process involves working with high-voltage electricity and plumbing, so safety is paramount. Incorrect installation can be dangerous and could void the warranty.
A qualified plumber and electrician can ensure that the unit is properly sized, wired, and plumbed according to local codes and manufacturer specifications. They can also help you determine the best location for the unit and address any potential challenges, such as upgrading your electrical panel or rerouting pipes. While it might cost more upfront, professional installation provides peace of mind knowing that the job is done correctly and safely.
What are the potential drawbacks of electric tankless water heaters?
While electric tankless water heaters offer many benefits, it’s important to be aware of the potential drawbacks. One of the main considerations is the upfront cost, which can be higher than traditional tank heaters. Additionally, as mentioned earlier, you might need to upgrade your electrical panel to accommodate the high power requirements. This can add to the overall installation expense.
Another potential drawback is the possibility of a slight delay in hot water delivery. Because the heater only heats water on demand, there might be a brief wait before the hot water reaches the faucet. However, this delay is usually minimal and can be mitigated by installing the unit closer to the point of use. Finally, if you experience a power outage, you won’t have any hot water. However, these drawbacks are often outweighed by the long-term energy savings and convenience that tankless water heaters offer.
How do I maintain my electric tankless water heater?
Maintaining your electric tankless water heater is relatively simple and can significantly extend its lifespan. The most important maintenance task is flushing the unit annually to remove mineral buildup. This is especially important if you have hard water, as mineral deposits can accumulate and reduce the heater’s efficiency and lifespan.
You can purchase a tankless water heater descaling kit and follow the manufacturer’s instructions to flush the unit. If you’re not comfortable doing it yourself, you can hire a plumber to perform the flushing for you. Regularly checking the water filter and cleaning or replacing it as needed is also a good practice. By following these simple maintenance steps, you can keep your electric tankless water heater running smoothly for years to come.
Final Words
So, there you have it! Your ultimate guide to finding the best whole house electric tankless hot water heaters. We’ve explored the top contenders, dissected the key features, and armed you with the knowledge to make an informed decision. Now, you’re well-equipped to ditch that bulky tank and embrace the endless flow of hot water that a tankless system offers. Think about it: no more cold showers, reduced energy bills, and a more efficient, modern home.
The power is in your hands to upgrade your lifestyle and enjoy the comfort and convenience you deserve. Don’t let the technical details intimidate you. Trust your gut, consider your needs, and take the plunge! With the information we’ve provided, you’re ready to select the perfect whole-house electric tankless water heater for your home. Get ready to experience hot water on demand and a whole new level of energy efficiency – you won’t regret it!