BLOW-THROUGH SERIES
Powerful. Hidden. Versatile.

Mini • 4000 • 8000

THREE MODELS

BLOW-THROUGH MINI
Powerful. Hidden. Versatile.

2442-2640

BTU Range

BLOW-THROUGH 4000
Powerful. Hidden. Versatile.

4359-5351

BTU Range

BLOW-THROUGH 8000
Powerful. Hidden. Versatile.

5185-5544

BTU Range

MEET THE BlOW-THROUGH SERIES

Explore the key components that make the Blow-Through series powerful, efficient, and built to last.

ADAPTABLE AIRFLOW

Flexible airflow adapts seamlessly to soffits, cabinetry, and in-cellar installations.

Precision Monitoring

Advanced monitoring helps maintain accurate wine storage conditions and simplify system control.

Flexible Installation

Designed for ductless or fully ducted applications across a wide range of cellar configurations.

Simplified Serviceability

Service-friendly engineering helps simplify installation, maintenance access, and long-term servicing.

Enhanced Durability

Integrated protection systems help improve long-term reliability and operational stability.

Powerful performance, engineered to adapt.

The Blow-Through Series integrates seamlessly into modern wine rooms without compromising climate control. Its adaptable airflow, compact footprint, and flexible installation options allow cooling to disappear into the architecture while delivering precise, reliable performance.

Soffits Closets Maintenance rooms Cabinets
Soffits
Closets
Maintenance rooms
Cabinets

ONE SYSTEM. ANY INSTALLATION.

Fully ducted, partially ducted, or ductless. The Blow-Through Series fits soffits, closets, and built-in cabinetry without compromise. Runs up to 25 ft. Service from either side.

DUCTED AIRFLOW

Concealed supply and return for architectural builds.

  • Ideal for soffits, wine walls, and cabinetry
  • Concealed supply and return ducting
  • Coil removal from left or right side

DUCTLESS AIRFLOW

Direct airflow for open cellars. Fastest install.

  • Open cellar applications
  • Left, right, or downward airflow
  • No duct work required

HYBRID AIRFLOW

Simplified routing up to 25 ft. for compact spaces.

  • Duct runs up to 25 ft.
  • Balances airflow control with simplified routing
  • Ideal for compact mechanical spaces

DUCTED AIRFLOW

Concealed supply and return for architectural builds.

  • Ideal for soffits, wine walls, and cabinetry
  • Concealed supply and return ducting
  • Coil removal from left or right side

DUCTLESS AIRFLOW

Direct airflow for open cellars. Fastest install.

  • Open cellar applications
  • Left, right, or downward airflow
  • No duct work required

HYBRID AIRFLOW

Simplified routing up to 25 ft. for compact spaces.

  • Duct runs up to 25 ft.
  • Balances airflow control with simplified routing
  • Ideal for compact mechanical spaces

Models

Mini / 4000 / 8000

Cellar Size

500 cu. ft / 1000 cu. ft / 2000 cu. ft

BTU/h Rating @ 85°

2442-2640 / 4359-5351 / 5185-5544

Drain Line

Unit is equipped with condensate pump with 1/4″ drain line. 2-1/2″ drain lines optional if needed

Warranty

Two-year limited warranty with up to an additional (1) year grace period for installation.

View our Spec Sheet

CONDENSER OPTIONS

OMEGA 110 V H.E. VS. 220 V H.E.

Explore the differences between our two high-efficiency condenser options.

  • Voltage 110V
  • Decibel Sound level as low as 46-52
  • Installs Closet, Attic Space, Crawl Space, Concrete Pad, Under-the-Stairs
  • Key Benefits Easy installation, adaptable airflow, extreme climate performance
  • Voltage 220V
  • Decibel Sound level as low as 45-48
  • Installs Outdoor (Concrete Pad, Wall-Mounted, Roof Mounted)
  • Key Benefits Enhanced efficiency, quieter operation, oversized condenser coil design
  • Voltage 110V
  • Decibel Sound level as low as 46-52
  • Installs Closet, Attic Space, Crawl Space, Concrete Pad, Under-the-Stairs
  • Key Benefits Easy installation, adaptable airflow, extreme climate performance
  • Voltage 220V
  • Decibel Sound level as low as 45-48
  • Installs Outdoor (Concrete Pad, Wall-Mounted, Roof Mounted)
  • Key Benefits Enhanced efficiency, quieter operation, oversized condenser coil design

Frequently Asked Questions

Answers to common questions about the Blow-Through Series, installation flexibility, and system performance.

The WhisperKOOL Blow-Through Series is a compact split-system evaporator designed for hidden wine cellar cooling applications. It is engineered for soffits, built-in cabinetry, wine walls, adjacent mechanical spaces, and in-cellar installations where traditional wall-mounted systems may not be ideal.

Traditional wall-mounted evaporators typically pull and supply air from the front of the unit. The Blow-Through Series moves air through the unit from one side to the other, allowing the evaporator to be hidden, ducted, or integrated into custom layouts. 

  • Concealed cooling without the need for ducting
  • Flexible airflow orientation
  • Soffit or cabinetry integration
  • Mini ducted or hybrid airflow layouts
  • Tight installation spaces where a standard wall-mounted evaporator is not practical

Common applications include: 

  • Soffits 
  • Built-in cabinetry 
  • Wine walls 
  • Adjacent closets or mechanical rooms 
  • Walk-in wine cellars 
  • Behind decorative wooden grilles Inline ducted applications 
  • Custom millwork

The unit supports three airflow kit options:

  • Ductless Airflow: Includes two air diverters for ductless airflow
  • Ducted Airflow: Includes two 8-inch duct plenums for fully ducted airflow
  • Hybrid Airflow: Includes one air diverter and one 8-inch duct plenum

Fully ducted applications can support duct runs up to 25 feet. Diverters can direct airflow left, right, or downward depending on the installation layout.

The Blow-Through Series supports 16 different airflow configurations using optional ductless and ducted airflow kits, allowing the system to adapt to a wide range of wine cellar layouts and installation requirements. These configurable airflow options allow the Blow-Through Series to be integrated into soffits, cabinetry, wine walls, adjacent mechanical spaces, and other custom applications where traditional airflow layouts may not be possible.

The Rotatable Air Deflector allows airflow to be directed left, right, or downward to accommodate different installation layouts and improve air circulation within the cellar. 

The Blow-Through Series is compatible with: 

Additional compatibility with communication and pump-down configurations may vary by model. 

The Variable Speed Fan Switch allows installers or technicians to adjust airflow and fan speed based on the application, helping balance cooling performance, airflow, and sound levels. 

The Blow-Through Series includes: 

  • KDT Digital Touch Display with system alerts, alarm notifications, & can be installed up to 50 feet away 
  • Bottle Probe for liquid-temperature monitoring 

Trusted By

Wine Enthusiasts Around The World

+ 30
Years Of Experience
+ 475 K
Happy Customers
+ 525 K
Cellars Kept KOOL
+$ 3.5 B
Wine Investments Protected
WhisperKOOL®

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