Ecosmart has been a trusted name in water heaters since Founded 2007, based in United States. The brand is particularly known for Best-selling electric tankless water heaters with patented self-modulating technology for maximum energy savings. Ecosmart is positioned in the mid-range price tier, making it a solid mid-range option for water heaters.

Ecosmart Water Heaters
EcoSmart electric tankless water heaters feature patented self-modulating technology that adjusts energy usage based on water flow and inlet temperature. Models range from single-point-of-use units (ECO 8/11) to whole-house systems (ECO 27/36). Their compact design saves space and their endless hot water supply eliminates the standby energy losses of traditional tank heaters.
Ecosmart Water Heaters Product Lines
Why Choose Ecosmart for Water Heaters?
Ecosmart stands out in the water heaters market because of Best-selling electric tankless water heaters with patented self-modulating technology for maximum energy savings. Their products carry 2 industry certifications, including UL Listed, Energy Star, giving homeowners confidence in quality and compliance. Ecosmart backs their water heaters with a Limited lifetime warranty on heat exchanger; 5-year on electronics; 1-year on parts, which shows commitment to long-term reliability. With 6 dedicated product lines — ECO 27 (Whole House), ECO 24 (Whole House), ECO 18 (Whole House), ECO 11 (Point-of-Use), and more — there's a Ecosmart option for virtually every need and budget.
Certifications & Standards
Warranty & Support
Where to Buy Ecosmart Water Heaters
Water Heaters How-To Guides
View All →How to Adjust Water Temperature
Set your gas or electric water heater thermostat to the right temperature for comfort, safety, and lower energy bills -- plus how to verify the actual output with a thermometer.
How to Choose the Right Size Water Heater
Calculate the right water heater size so you never run out of hot water -- covers first-hour rating for tanks, GPM for tankless, quick sizing charts, and the mistakes that leave people taking cold showers.
How to Flush Your Water Heater
Flush sediment from your tank water heater to cut energy bills, eliminate rumbling noises, and add years to its life -- the most important maintenance task most homeowners skip.
Common Water Heaters Problems
View All →Leaking Water Heater
Water around the base demands immediate attention -- floor damage, mold, electrical hazards. Could be loose fittings, a failing T&P valve, a bad drain valve, or a rusted-through tank that needs replacement.
No Hot Water
No hot water from any fixture? Cause depends on gas vs. electric. Common culprits: pilot light out, tripped breaker, failed element, faulty thermostat or gas valve.
Pilot Light Won't Stay Lit
Lights but will not stay lit? Almost always the thermocouple -- a safety sensor that detects the pilot flame. When it fails, the gas valve shuts off. Straightforward DIY repair, under $25.
Water Heaters Types
View All →Water Heaters Buying Guides
View All →Ecosmart Water Heaters FAQ
Is Ecosmart a good brand for water heaters?
EcoSmart is a leading manufacturer of electric tankless water heaters based in Johnson City, Tennessee. Founded with a focus on energy efficiency and sustainability, EcoSmart's self-modulating technology adjusts energy output based on incoming water temperature and flow demand, ensuring you only heat water you need. Their compact, wall-mounted units have become some of the best-selling electric tankless water heaters on Amazon and at major retailers.
What warranty does Ecosmart offer on water heaters?
Ecosmart offers Limited lifetime warranty on heat exchanger; 5-year on electronics; 1-year on parts.
Where is Ecosmart made?
Ecosmart is based in United States, headquartered in Johnson City, Tennessee.
What price range does Ecosmart water heaters fall into?
Ecosmart is positioned in the mid-range price tier for water heaters. They balance quality and affordability well.
What water heaters product lines does Ecosmart offer?
Ecosmart offers 6 water heaters product lines: ECO 27 (Whole House), ECO 24 (Whole House), ECO 18 (Whole House), ECO 11 (Point-of-Use), ECO 8 (Point-of-Use), ECO 36 (Commercial).
What certifications does Ecosmart have for water heaters?
Ecosmart holds 2 certifications including UL Listed, Energy Star.
