Best Sellers
MRNIU 18
Guarantee rapid heating and enhanced safety.
Crafted with advanced materials, the 18kW instant water heater features rapid heating technology, a compact design for space efficiency, and an innovative safety system for peace of mind.
3 Phase 380V Water Heater
Unlimited hot water, anytime！
The 3-Phase Instant Water Heater: Evolution in unlimited hot water.
3 Phase 380V Silver
3 Phase 380V Dark Grey
MrNiu instant water heaters are known for providing top-notch rapid hot water, paired with the safest and easiest-to-use designs.
"If you're someone who takes their daily cleaning seriously and appreciates having a compact and efficient water heater, then MrNiu8 is tailor-made for you."
"Its design is impressively robust and precise. MrNiu leads the industry with exceptionally fast hot water delivery and simple installation that even women can handle."
Safety Insurance
Water heater with water separation, IPX4 waterproof, leakage protection, dry burning protection and overheat protection
Save Energy & Space
Our tankless electric water heaters are 90% smaller than tank heaters. This water heaters are 99% thermal energy efficient. Auto adjusting energy consumption basing on income water temperature and flow, ensuring maximum efficiency
On-Demand Hot Water
Providing hot water in 3 seconds when you need it and as long as you need, eliminating wait time, External digital thermostatic control with LED display
Endless Hot Water
Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature.
About us
Founder Ethan Liu was inspired to create the Mr. Niu Instant Water Heater series after experiencing the inconvenience of traditional water heaters in his own home. As a seasoned engineer and passionate inventor, Ethan envisioned a line of instant water heaters that combined rapid heating technology with sleek, compact design. His goal was to provide an efficient and elegant solution for households everywhere, ensuring that hot water was always just a few seconds away.
What we do
Exceptional design and innovation drive everything we do. We are deeply passionate about creating expertly crafted, technologically advanced water heating solutions. Using only the highest quality materials to ensure comfort, aesthetics, and functionality, we strive to deliver the ultimate hot water experience. Our goal is to provide best-in-class performance at every interaction, ensuring that you enjoy instant, reliable hot water whenever you need it.
Compare
Which tankless water heater are made for you
Not sure which one to choose? We selected our most popular instant water heaters, MrNiu8 and MrNiu36. Compare them and choose the best version for your needs.
8000Watt
36000Watt
3KG
7KG
13.2"*8.6"*3.1"
18"*17.1"*3.3"
Copper heating element: efficient,anti-corrosion
Outstanding products with exceptional brands
Story
Ethan and his father in Guangzhou have launched a core collection of instant water heaters and related products
Story
Expanded our product line with the introduction of the MrNiu8, a compact and efficient model.
Story
Launched the MrNiu36, designed for larger households and commercial use.
Have a question ? We are here to help.
Use this text to share information about your product or shipping policies.
Do you ship overseas?
Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.
Do I need to setup an account to place an order?
Our payment method is straightforward—just contact us directly on the platform or email us at usmrniu0828@gmail.com. While you don't need an account to place an order, creating one allows you to store shipping details, view order history, and access warranty information. We will be adding more features to the account page soon.
How long will it take to get my orders?
It depends on where you are. Orders processed here will take 5-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details will be provided in your confirmation email.
Any question?
You can contact us through our contact page! We will be happy to assist you.
Question
Purchases cannot be made directly on our website. For details and returns, please contact us via email at usmrniu0828@gmail.com or WhatsApp：+86 13676227887. Returns are accepted within 14 days for a full refund, excluding shipping costs. International returns may incur additional shipping fees.