PHASE INNOVATIONS
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High Efficiency Dedicated Outdoor Air Systems (DOAS)

For over 30 years, vapor compression technology has dominated the heating, ventilation and air conditioning (HVAC) market. These systems require a significant amount of energy to operate in addition to being a known contributor to global warming. Until recently there are few alternatives for managing required sensible and latent cooling. These existing alternatives are unable to scale capacity and are not a viable economical solution. New membrane based technologies have been developed and can reduce electrical energy consumption by using waste thermal energy and is refrigerant free. Phase Innovations, LLC is developing 1RTon to 5RTon DOAS systems that utilize our novel mass exchanger that can reduce HVAC related energy costs by as much as 90%.

A Typical DOAS 

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A typical DOAS relies on vapor compression systems for sensible and latent cooling. As a result of latent cooling, air temperature is reduced to below dewpoint to condense water vapor and is then reheated to the building set point. Heat absorbed by the evaporator is exhausted to the outdoors. Ideally, the latent and sensible cooling would be completed independent of on another. 

Our Technology

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Our technology uses membranes and a vapor pressure gradient to remove water vapor from supply air streams without requiring phase change. This process enables building managers to have independent control of the sensible and latent cooling while also reducing the size of the vapor compression system required for sensible cooling. The heat released from the condenser of the vapor compression system is used to drive the latent cooling process resulting in a significant reduction in energy consumption when compared to a typical vapor compression system. 
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Rochester, NY 14623
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  • Commercial
    • Dedicated Outdoor Air Systems
    • Stand-Alone Ventilation Systems
  • Residential
  • Press
  • About
  • Contact Us