Advanced … There’s a significant difference there in hot water usage. But first we need to lay down the groundwork and give you some context so you can make the right decision for your particular needs and budget. You don’t want to buy a system that requires 60-amp voltage when your house can’t support that much. EcoSmart ECO 27 electric tankless water heater (Top-pick) 2. The overall dimension is rated at 16 ⅝ x 14 ½ x 4 ⅝ WHD inches with a total weight of 15.4 pounds. Choosing a quality water heater from a trusted brand can go a long way to making sure your household is properly heated. My home service amperage is 150. The next unit on this list is no slacker when it comes to producing hot water for you. Find out what your limitations are and then begin searching for a water heater that fits within that boundary comfortably. The Stiebel with its Tempra line took the number two spot on our list. So, having a durable unit is very appealing. Free Shipping on Orders Over $200* With a sleek gray finished case and visible controls this unit showcases over 90 years of superior German technology and delivers impressive energy saving rating performance in reviews. Since we dealt with electric tankless water heaters, it is only fair we discuss the electrical side of this in our sizing guide. Ecosmart ECO 27; Stiebel Eltron 36 Plus Tempra ; EcoSmart ECO 11; 10 Best Electric Tankless Water Heaters Rating First things first, you should know that electric tankless water heaters use A TON of energy. It can handle multiple bathrooms and appliances running at the same time with ease. Utilizing German technology these are reliable units that have been around a long time. It is an extremely efficient, precise machine, well worth a larger price tag in the long run. In short, this unit works well for those of you who live in warmer climates and have a huge demand for hot water. The Rheem models were originally manufactured by Titan Tankless using their older style technology. It's fairly safe to say that Ecosmart Eco 27 is a more popular water heater, Customers who view Ecosmart Eco 27 and Stiebel Eltron Tempra 24 Plus often consider, Ecosmart ECO 27 27 KW at 240-Volt Electric Tankless Water Heater Quick Look / Review, Ecosmart ECO 27 Electric Tankless Water Heater Honest Review, Ecosmart ECO 27 Electric Tankless Water Heater Honest Review Heater Review, Stiebel Eltron Tempra 24 Plus Review | Tankless Water Heater Reviews, Stiebel Eltron Tempra 24 Plus, the pricier option, tends to get, Reviews from real customers who bought the product on Amazon, Find the best water heater in Water Heater Finder, Sleek and compact design with digital output temperature display, ECOSMART tankless water heaters are 99.8-percent energy efficient. Stiebel Eltron 074055 240V, 7.2 kW DHC 8-2 Single Sink Point-of-Use Tankless Electric Water Heater, 10/8 Gauge - - Amazon.com The EcoSmart ECO 27 provides an output of 27kw and it’s compact. However, this unit can still perform in colder climates without much difficulty. Its reliability and cost-saving properties are what makes it so popular. This way, you won’t blow your breaker and lose your power. ReviewFinder is reader-supported - if you click on a link on ReviewFinder and make a purchase, we earn a commission at no extra cost to you. Up next on our list is the Titan SCR2 N-120. Good Flow Rate. That’s a great output rating for the price. Camplux outdoor (Portable) 7. This cuts down on waiting around for the water to heat up when it comes to filling a bathtub or washing dishes. Thanksgiving Day Holiday Houseneeds Hours. This makes it best suited for your larger homes and those whose families use up a lot of hot water. Stiebel Eltron Tempra Plus can flow about five gallons per minute to supply enough amount of hot water to almost all of the household’s faucet in an efficient manner.