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Custom ERU with Electric Heater, CW and HW Coils

This XeteX custom energy recovery unit elevates the indoor climate comfort, air quality, and energy efficiency of a 21,210-square-foot public library. Equipped with an energy recovery wheel, electric heater, chilled water and hot water coils, and top-notch filtration, it also utilizes a bipolar ionization system.



Model: AHR-1600-RT-CW-HW-HE-FF
Dimensions: 94”H x 72”W x 216”L
Weight: 8,600 LBS
Supply CFM: 6,000 CFM
Energy Recovery: Enthalpy Wheel
Energy Effectiveness: 70% Winter / % Summer
Heating Type: Electric Heater / Hot Water Coil
Heating Capacity: 34.3 KW (Electric); 144 MBH (HW)
Cooling Type: Chilled Water Coil
Cooling Capacity: 131 MBH


  • Outdoor unit with thermal break construction
  • 2” double-panel casing with injected foam (R-14) insulation
    • 16ga galvanneal outer casing with acrylic paint
    • 16ga galvanized inner casing
  • Welded 6” structural steel base frame with lifting lugs with acrylic paint
  • 304 stainless steel drain pan
  • 16ga galvanized floor with 2” injected foam (R-value 6.9/in) insulation plus 4” Isofoam in the base frame

Other Features

  • Plumbing and electrical chase with internal pipe routing
  • Motor removal rails provided in SA and EA fan sections
  • Bipolar ionization system in SA plenum


A. Carbon filter 
B. 2” MERV 8 OA filter
C. 4” MERV 13 SA filter
D. Electric heater in SA 
E. Hot water coil with SS casing
F. Chilled water cooling coil with SS casing 
G. SA ECM fan
H. Motor removal rail SA
I. Motor removal rail EA
J. EA ECM fan
K. 3Å molecular sieve desiccant wheel (8” deep) with low cross-contaminating seal system with a purge sector
L. 2” MERV 8 RA filter
M. Bipolar ionization system

Custom  XeteX ERU drawing

Learn more about XeteX custom energy recovery units.