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MrCool Tankless Water Heater

✔️Use Code: MRCOOL3 For 3% Off Your Order

✔️ Do You Have A Better Offer? Chat With Us Below.

✔️Free Shipping & No Sales Tax

✔️Authorized Dealer

✔️Questions? Call 650-719-8896 or Chat Us Below

Customer Reviews

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Experience uninterrupted comfort as you run multiple hot water appliances simultaneously with the MRCOOL® Tankless Water Heater. Say goodbye to waiting and use that extra time to indulge in a soothing and luxurious bath or shower. Our advanced technology ensures uniform heat, increased output, and higher efficiency. With corrosion-resistant stainless steel construction, the heat exchanger is built to last, providing you with peace of mind and a longer lifespan compared to traditional water heaters.


  • High Volume & High Flow Rate: The MRCOOL® tankless water heater boasts a flow rate of 8.45 GPM (32 Lpm), allowing it to accommodate the simultaneous use of multiple home appliances.

  • Propane or Natural Gas: Enjoy the convenience of choosing between propane or natural gas as the fuel source for the efficient gas tankless water heater from MRCOOL®.

  • Meets SCAQMD Standards: This tankless water heater meets the rigorous standards set by the South Coast Air Quality Management District (SCAQMD). It has ultra-low NOx and CO emissions, making it environmentally friendly and efficient.

  • Anti-Freeze Protection: With anti-freeze protection, the MRCOOL® tankless water heater ensures consistent water temperatures throughout the year, even in colder climates. This feature prevents the pipes from freezing and ensures reliable performance.



Installation Manual



15-Year Heat Exchanger / 5-Year Parts / 5-Year Limited Labor


The Tankless Water Heater comes with a 15-Year Heat Exchanger, 5-Year Parts, and a 5-Year Limited Labor warranty for the original owner. Registration not required.




Return Policy

You have 30 days to initiate a return process for items that are unused and in their original packaging.

If you receive an order that is damaged, defective, or incomplete, please don't hesitate to get in touch with us using the following contact information:



Items must be returned within 30 days of delivery to be eligible for a refund. Please note that returns received without a return authorization number will not be refunded.

Why Choose MrCool

  1. Innovative Technology: MRCOOL is at the forefront of HVAC technology, consistently introducing innovative features and solutions to enhance comfort and efficiency.

  2. Energy Efficiency: MRCOOL products are designed with energy efficiency in mind, helping you reduce your energy consumption and lower your utility bills.

  3. Reliability and Durability: MRCOOL is committed to producing high-quality, durable products that withstand the test of time, ensuring long-lasting performance and reliability.

  4. Customer-Centric Approach: MRCOOL prioritizes customer satisfaction, actively engaging with customers, understanding their needs, and delivering tailored solutions.

  5. Ease of Installation and Use: MRCOOL products are designed for hassle-free installation and user-friendly operation, making them accessible to both professionals and homeowners.

  6. Diverse Product Range: Whether you need air conditioners, heat pumps, gas furnaces, or ductless mini-split systems, MRCOOL offers a wide range of HVAC solutions to meet your specific requirements.

  7. Industry-Leading Support: MRCOOL provides exceptional customer support, offering technical assistance, warranty coverage, and responsive service to ensure a positive experience.

  8. Environmental Responsibility: MRCOOL is committed to sustainability, developing environmentally friendly HVAC solutions that reduce carbon footprint and promote a greener future.