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APPLICATIONS EXPERTISE

ENERGY RECOVERY

OUTDOOR AIR EXPERTSROBUST DESIGNSDEDICATED SUPPORT
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ENERGY RECOVERY FOR HIGH OUTDOOR AIR APPLICATIONS

When conditioning large amounts of very cold, very warm, or humid outdoor air, energy recovery becomes especially important. Exhaust air energy recovery provides these economic benefits: 

Lower operating costs: Energy recovery increases system efficiency.

Lower installed systems costs: Energy recovery reduces mechanical cooling and heating loads and, therefore, reduces the required capacities of cooling and heating components. 

 

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EXPERTISE GAINED FROM THOUSANDS OF INSTALLATIONS

Valent's focus on energy recovery design, construction, and control has been rewarded with thousands of successful installations that are energy-efficient, durable, and that improve indoor air quality.

Optimized energy recovery is critical for high outdoor air applications. Rely on Valent to do it well.

BREADTH OF
TECHNOLOGIES

  • Multiple energy recovery options ensure the right product fit for the application
  • ASHRAE 90.1 compliant
  • Heat transfer material options provide high-efficiency moisture removal, low maintenance, or low cross-contamination

PROPER DEFROST
MANAGEMENT

  • Winter defrost keeps supply fan and heat source operational, not shutting the unit down to defrost
  • Space temperature and ventilation stays consistent at all times

FULL-SIZE
WHEELS

  • Energy recovery sized to handle full outdoor and exhaust air volume
  • Delivers maximum enthalpy effectiveness
  • Low pressure drop across wheel does not require economizer bypass

MEETING EFFICIENCY, IAQ, AND MAINTENANCE REQUIREMENTS

Valent is known for offering a broad selection of energy recovery technologies. When choosing for a specific application, priorities usually fall into three areas:

  • Energy efficiency: If energy efficiency is the priority, choose enthalpy wheels, which are the most efficient.
  • IAQ: If IAQ is the priority, choose sensible or enthalpic plate heat exchangers, which allow almost no leakage across airstreams.
  • Low maintenance: If low maintenance is the priority, choose sensible or enthalpic plate heat exchangers, which have no moving parts.

ENTHALPY WHEEL

HEAT TRANSFER MEDIUM
Polymer or aluminum
ENTHALPY RECOVERY
Best
INTERNAL PRESSURE DROP
Moderate
LEAKAGE ACROSS AIRSTREAMS
Some
MAINTENANCE
Some

Available on Valent VXE and VPRE units

ENTHALPIC PLATE

HEAT TRANSFER MEDIUM

Polymer

ENTHALPY RECOVERY
Better
INTERNAL PRESSURE DROP
High
LEAKAGE ACROSS AIRSTREAMS
Low
MAINTENANCE
Low

Available on Valent VPRC units

SENSIBLE PLATE

HEAT TRANSFER MEDIUM

Aluminum

SENSIBLE RECOVERY
Good
INTERNAL PRESSURE DROP
Low
LEAKAGE ACROSS AIRSTREAMS
Almost none
MAINTENANCE
Almost none

Available on Valent VPRP units

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