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Heat₂O™ is an all-electric, zero-emissions heat pump water heater designed to produce high volume domestic hot water (DHW) for any size commercial application in any climate.

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A cutting-edge high volume DHW commercial water heater

Highly energy-efficient and environmentally friendly, Heat₂O uses a natural CO₂ refrigerant with a global warming potential (GWP) of one and an ozone depletion potential (ODP) of zero.

Heat₂O is scalable to any size building and perfect for high-demand hot water commercial applications. Also for high demand hot water buildings is the CAHV heat pump, which can be used as a central hot water supply in hotels and multifamily spaces, or for heating capabilities, like radiant heating and to warm swimming pools.

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Future-proof with CO₂

HEAT₂O, our domestic hot water heating system, enables you to future-proof your project, your plans, and your vision. Because it runs on CO₂ which has a Global Warming Potential of 1, it’s the next-generation, environmentally friendly, energy-efficient solution for commercial hot water applications where demand is high.

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Runs on CO₂

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GWP of 1

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Hot water up to 176°F

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COP up to 4.52

Commercial applications HEAT2O

Dive in and discover

The only commercial water heating solution that runs on CO₂ and delivers on the promise of a more sustainable future.

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More than a product twist, it's a complete solution

Three connected refrigerant pipes are wound around our patented twisted spiral gas cooler, maximizing heat transfer. An inverter scroll compressor increases the energy efficiency.

Success Story: Heat2O

“We were delighted to find that Mitsubishi Electric had a commercial scale system for domestic hot water. The system handles all the domestic hot water needs for the hotel rooms, laundry and kitchen. This technology enabled us to be one of the first all-electric hotel buildings in the U.S.”

-Bruce Redman Becker, FAIA, LEED AP, President of Becker and Becker Associates.

Hotel Marcel in New Haven Connecticut

Ready to get started?

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