The Best Instant Water Heater - March 2023

Based on the analysis of 15,220 reviews.



Bosch 2 5 Gallon Electric Mini Tank Heater product image


Top Choice
EcoSmart ECO 11 Modulating Technology product image


Best Value
Electric Hot Water Heater 110 120V Compact Mini Tank Storage Small Output 2 5 3 0 Gallon 1 5KW product image


Tankless Water Heater 110V 3000W Mini Electric Tankless Instant Hot Water Heater with LCD Display product image


110V 120V Electric Mini Tank Hot Water Heater Storage 1 5KW Kitchen Household Compact Size Point product image


Ecosmart ECO 18 Modulating Technology product image


Best Seller
Immersion Heater Electric Submersible Instant Water Heater with Metal Guard Cover Portable Bucket product image


Hot Water Heater 110V 3000W Mini Electric Tankless Instant Hot Water Heater Bathroom Kitchen product image


Ecosmart ECO 36 Electric Tankless product image


B Crew Tankless Electric Kitchen product image

Top Instant Water Heater Brands

Bosch Thermotechnology

BOSCH is a major worldwide supplier of technology and services including merchandise for domestic hot water generation.   Our operations cover Mobility Solutions, Industrial Technology, Consumer Goods, and Energy and Building Technology.

BOSCH improves quality of life globally with products and services which are innovative and spark enthusiasm. In short, BOSCH creates technology that is "Invented for life." When designing our programs, we pay careful attention to combining efficient use of natural resources, system flexibility, and consumer friendliness. By continuously developing new products and technology we work to provide you real value in functionality, comfort, and efficiency. We think that continuous innovation supports a cleaner, more healthy environment, and creates greater benefits for you. Whether you are replacing a secondhand tank water heater, then renovating a master bath, kitchen, cellar or building a new home, you can trust BOSCH for a premium excellent water heating option that's a perfect fit for your needs. With over 125 decades of engineering expertise, BOSCH products are made to work together seamlessly to permit professional contractors the ability to set up the most effective, customized system for your needs.  

See all Bosch Thermotechnology products