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NAE Series

Hydro-boost enhanced air conditioner

Naven NAZ Series heat pump

Pushing AC efficiency
into the future

The NAE Series reimagines traditional air conditioning by blending mechanical and evaporative cooling technologies for next-level performance. By incorporating an intermittent condenser spray feature, this innovative system unlocks significant efficiency gains without adding unnecessary complexity.

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Hydro-Boost innovation

At the core of the NAE air conditioner is Navien’s proprietary Hydro-Boost circulator technology. This intelligent system automatically applies treated water to the condenser coil during cooling, enhancing heat transfer and unlocking higher efficiency when operating conditions call for it.

Rather than relying on oversized components or complex add-ons, Hydro-Boost enhances traditional compressor- and fan-based cooling with precisely controlled, water-assisted performance, delivering efficiency gains only when they provide real value.

 

Navien NAZ heat pump with outer shell removed and internal components visible

The microchannel slab coil is automatically and intermittently misted with treated water based on system conditions.

 

Precisely controlled water application lowers coil temperatures, improving heat rejection and overall system efficiency.

The result is a smart hybrid of mechanical cooling (compressor + fan) and evaporative cooling (water misting), without continuous water use.

 

Innovative Hydro-Boost technology
takes AC to a new level

The new NAE Hydro AC enhances traditional air conditioner technology by incorporating an intermittent condenser spray feature that increases system operation efficiency and performance. With Hydro-boost enabled, the NAE can achieve performance levels of up to 30 SEER2*, depending on installation and operating conditions. It also uses eco-friendly R454B refrigerant, compressor blankets and ECM motors contribute to its quiet performance. Available in 2-5 ton capacity ranges.

Energy efficient heat pump

Performance levels up to 30 SEER2*
with Hydro-Boost.

Heat pump with integrated Bluetooth module

Inverter driven variable-speed
compressor.

Heat pump with R-454B low GWP refrigerant

Operates at low sound levels.

Heat pump compatible with both one and two-stage thermostats

Corrosion-resistant cabinet design with durable powder-coated galvalume steel panels.

Heat pump that operates in outdoor temperatures from -4°F to 124°F

Custom modes: Efficiency, Normal, Performance, Boost.

Heat pump with dual-fuel compatibility

Bluetooth module provides simplified contractor installation and diagnostics.

*Note: Performance boost based on Navien  internal testing. Not an industry-certified rating. Results vary by installation and conditions.*

Navien NAZ heat pump with outer shell removed and internal components visible

Advanced home cooling
comfort by design

Every design choice serves a purpose: increase efficiency, enhance comfort, reduce noise, and improve ease-of-use for contractors and homeowners.

  • Microchannel coils: Higher heat transfer efficiency for faster cooling
  • Water treatment system built in: Water is pre-treated to prevent scaling for long-term performance
  • Variable-speed operation: Inverter-driven variable speed compressor for more comfortable & efficient cooling, with low sound levels
  • Garden hose connection: Convenient optional water supply

Maximum efficiency, minimal energy use

Detail view of compressor, coil and other components inside heat pump
Navien-nae-smart-thermostat

NAE Hydro AC reduces energy consumption while maintaining reliable comfort, even during peak summer demand. This is high-efficiency cooling that doesn’t cut corners, just energy costs.

  • Performance levels up to 30 SEER2* with
    Hydro-Boost enabled
  • Up to 17.5 SEER2 in standard dry-coil operation
  • Uses eco-friendly R454B low GWP refrigerant
  • Smart variable-speed technology matches output to demand, so no energy is wasted
  • Less frequent cycling means longer system life and lower utility bills

*Note: Performance boost based on Navien internal testing. Not an industry-certified rating. Results vary by installation and conditions.

Homeowners can choose from four custom operating modes to prioritize performance, energy savings, or both:

Energy efficient heat pump

Efficiency

Prioritizes lower power consumption for steady, energy-conscious cooling.

Energy efficient heat pump

Normal

Provides balanced performance for everyday comfort and quiet operation.

Energy efficient heat pump

Performance

Increases cooling and dehumidification capacity for added comfort during warmer or more humid conditions.

Energy efficient heat pump

Boost

Runs the system at maximum capacity to cool the space as quickly as possible when needed.

Air conditioning designed to
integrate with Navien HVAC

Nae-system-banner

Unlike traditional air conditioners with fixed output, the NAE Series uses inverter-driven, variable-capacity technology to adapt cooling output to the needs of the home.

Navien’s NAE Series is designed around two outdoor models, each covering a range of cooling capacities. The final system capacity is determined by the matched indoor equipment and setup, allowing the system to operate efficiently across a wider range of conditions.

Benefits for contractors: fewer SKUs to manage and greater flexibility when designing and sizing systems.

Benefits for homeowners: quieter, more efficient cooling that adjusts to the home’s actual needs.

The NAE Series is designed to be matched with Navien indoor equipment (NAM cased coils, NPF Hydro-furnaces, and select NAS air handlers) to deliver rated performance, optimized efficiency, and long-term system reliability.

Navien also offers the NAA Series, a variable-capacity air conditioner designed for high efficiency and consistent comfort without water-assisted cooling.

New Navien NAE Series

 

NAE Series Models

NAE Series FAQs

Hydro-Boost enhances traditional variable-speed air conditioning by adding intelligently controlled, water-assisted cooling. Unlike systems that rely solely on larger compressors or coils, Hydro-Boost improves heat rejection only when operating conditions support meaningful efficiency gains—without continuous water use or added system complexity.

The NAE Series uses inverter-driven, variable-capacity technology that allows each outdoor unit to operate across a range of cooling outputs. By pairing the outdoor unit with matched indoor equipment, the system can be configured for different capacities while continuously adjusting output to meet real-time demand. This reduces oversizing, improves comfort, and simplifies model selection.

Yes. The NAE Series is designed to adapt to a wide range of climates by combining variable-speed operation, capacity matching, and optional Hydro-Boost technology. This allows the system to perform efficiently in both dry and humid environments while maintaining consistent comfort.

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