WhisperKOOL Mini Ducted Airflow Kit with 2 Duct Plenums – 03-DUCTED-KIT-MIN
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WhisperKOOL Mini Ducted Airflow Kit with 2 Duct Plenums – 03-DUCTED-KIT-MIN
WhisperKOOL Mini Ducted Airflow Kit with 2 Duct Plenums – 03-DUCTED...
WhisperKOOL Mini Ducted Airflow Kit with 2 Duct Plenums – 03-DUCTED-KIT-MIN is backordered and will ship as soon as it is back in stock.
WhisperKOOL Mini Blow-Through Airflow Accessory
WhisperKOOL Mini Ducted Airflow Kit with 2 Duct Plenums – 03-DUCTED-KIT-MIN
Important Note: This Add-on Accessory cannot be purchase without the Main Unit.
The WhisperKOOL Mini Ducted Airflow Kit, model 03-DUCTED-KIT-MIN, is designed specifically for a compatible WhisperKOOL Mini Blow-Through evaporator. It includes two duct plenums that create a fully ducted airflow configuration: one plenum for the return-air side and one plenum for the conditioned supply-air side.
This model-specific accessory allows the Mini Blow-Through evaporator to be concealed away from the primary wine cellar display while insulated ductwork carries air between the evaporator and the cellar. It is suitable for custom wine rooms, glass-enclosed cellars, wine walls, cabinetry installations, soffits, and other projects where a clean architectural appearance is preferred.
Product Summary
The WhisperKOOL 03-DUCTED-KIT-MIN is a two-plenum airflow kit for the Mini Blow-Through evaporator. One duct plenum connects to the return-air side of the evaporator, while the second connects to the supply-air side. Together, they allow both airflow paths to be routed through separate insulated 8-inch ducts.
This fully ducted configuration is intended for wine cellar projects that require concealed equipment, remote supply and return registers, or greater flexibility in evaporator placement. Correct duct sizing, register free area, insulation, vapor sealing, fan configuration, and professional system commissioning are essential for proper performance.
Quick Product Specifications
| Product Name | WhisperKOOL Mini Ducted Airflow Kit |
|---|---|
| Model Number | 03-DUCTED-KIT-MIN |
| Product Type | Fully ducted airflow accessory kit |
| Compatible Evaporator | WhisperKOOL Mini Blow-Through evaporator |
| Included Airflow Components | 2 Mini duct plenums |
| Plenum Configuration | 1 return-air plenum and 1 supply-air plenum |
| Required Duct Diameter | 8-inch supply duct and 8-inch return duct |
| Airflow Arrangement | Fully ducted return and fully ducted supply |
| Maximum Individual Duct Run | Up to 25 feet, subject to bends, fittings, compression, register design, and static pressure |
| Maximum Combined Duct Length | Up to 50 feet combined for the supply and return runs |
| Field-Installed Ductwork Included | No |
| Supply and Return Registers Included | No |
| Cooling Equipment Included | No |
| Installation Type | Professional installation as part of a compatible Mini Blow-Through cooling system |
What Is the Mini Ducted Airflow Kit?
The 03-DUCTED-KIT-MIN provides the two transition plenums required to connect a compatible WhisperKOOL Mini Blow-Through evaporator to field-installed supply and return ductwork.
In a fully ducted installation, warmer air from the wine cellar travels through an 8-inch return duct to the return-side plenum. The air then passes through the Mini evaporator, where heat is removed. Conditioned air leaves the evaporator through the supply-side plenum and travels through a separate 8-inch supply duct back into the cellar.
This configuration separates the supply and return airflow paths while allowing the evaporator to remain concealed in a properly designed and accessible installation location.
Fully Ducted Mini Blow-Through Configuration
| Airflow Side | Connection | Function |
|---|---|---|
| Return Air | 8-inch return duct connected to the return-air plenum | Draws warmer wine cellar air back to the Mini Blow-Through evaporator. |
| Supply Air | 8-inch supply duct connected to the supply-air plenum | Delivers conditioned air from the Mini evaporator back into the wine cellar. |
Both plenums are required for the fully ducted Mini configuration. The supply and return ducts must remain separate and should terminate at properly positioned cellar registers that provide adequate open area.
Key Benefits of the 03-DUCTED-KIT-MIN
Designed Specifically for the Mini Blow-Through Evaporator
The 03-DUCTED-KIT-MIN is intended for the physical dimensions and 8-inch duct requirements of the WhisperKOOL Mini Blow-Through evaporator. It should not be treated as interchangeable with ducted kits designed for larger Blow-Through models.
Conceals the Evaporator
The dual-plenum arrangement allows the evaporator to be installed outside the primary cellar sightline while only the supply and return registers remain visible within the wine room.
Supports Remote Register Placement
Supply and return air can be routed to selected locations within the cellar rather than being discharged directly beside the evaporator. This gives the project team more flexibility when planning airflow around wine racks, cabinetry, glass panels, doors, and lighting.
Creates Separate Supply and Return Paths
One plenum is dedicated to return air and the other to conditioned supply air. Proper separation of the two cellar openings helps promote circulation and reduce immediate recirculation between the supply and return.
Supports a Clean Architectural Appearance
Concealing the Mini evaporator keeps attention on the wine display, custom millwork, racking, lighting, and architectural finishes rather than on the cooling equipment.
Offers Greater Installation Flexibility
Subject to the complete installation requirements, the evaporator may be located in a soffit, adjacent conditioned space, accessible cabinet cavity, mechanical area, or another suitable location connected to the cellar through correctly designed ducts.
Recommended Applications
| Application | How the Mini Ducted Kit Supports the Project |
|---|---|
| Custom residential wine cellars | Allows the Mini evaporator to remain concealed while separate registers deliver and return air. |
| Glass-enclosed wine rooms | Helps preserve clean visual lines by keeping the evaporator away from the primary display area. |
| Wine walls | Supports remote airflow delivery where there may be limited room to expose cooling equipment directly inside the enclosure. |
| Built-in wine cabinetry | Allows airflow to be routed through planned openings while the evaporator remains in an accessible service location. |
| Ceiling or soffit installations | Connects a concealed Mini evaporator to separate cellar supply and return registers. |
| Adjacent mechanical spaces | Allows the evaporator to serve the wine cellar through ductwork without occupying visible cellar wall space. |
| Restaurant wine displays | Helps keep mechanical equipment discreet in customer-facing storage and presentation areas. |
| Hospitality wine storage | Supports professionally planned airflow in tasting rooms, storage rooms, and display cellars. |
Who Should Choose the Mini Ducted Airflow Kit?
The 03-DUCTED-KIT-MIN is appropriate when a project uses a WhisperKOOL Mini Blow-Through evaporator and both the return and supply sides must connect to ductwork.
This Kit Is a Strong Fit When:
- The project uses a compatible WhisperKOOL Mini Blow-Through evaporator.
- The evaporator must remain hidden from normal view.
- Both supply and return air need to be routed remotely.
- There is enough space for separate 8-inch supply and return ducts.
- The duct routes can remain reasonably short, smooth, and unrestricted.
- The cellar can accommodate properly sized supply and return registers.
- The installation team can provide adequate insulation and vapor sealing.
- The evaporator location will remain accessible for service and maintenance.
This Kit May Not Be Appropriate When:
- The installed evaporator is a Blow-Through 4000 or 8000 rather than a Mini.
- Only one side of the evaporator needs to be ducted.
- The evaporator can connect directly to the cellar without supply or return ducts.
- There is not enough space for two correctly sized 8-inch ducts.
- The proposed duct routes require excessive length, sharp bends, or compressed flexible duct.
- The cellar design cannot provide registers with sufficient free area.
- The evaporator would be enclosed without suitable service access.
Mini Blow-Through Compatibility
The 03-DUCTED-KIT-MIN is designed specifically for the WhisperKOOL Mini Blow-Through evaporator. The Mini configuration uses an 8-inch supply duct and an 8-inch return duct.
| Component | Compatibility Requirement |
|---|---|
| Evaporator | Compatible WhisperKOOL Mini Blow-Through evaporator |
| Supply Plenum | Mini-specific plenum included with the 03-DUCTED-KIT-MIN |
| Return Plenum | Mini-specific plenum included with the 03-DUCTED-KIT-MIN |
| Supply Duct | 8-inch insulated duct supplied separately |
| Return Duct | 8-inch insulated duct supplied separately |
| Registers | Customer-supplied registers sized to provide adequate airflow and free area |
Mini Ductwork Requirements
The two plenums serve as the connection points between the Mini Blow-Through evaporator and the field-installed duct system. The installer must separately provide the 8-inch supply duct, 8-inch return duct, fittings, supports, insulation, vapor barrier, sealants, registers, and other project-specific materials.
Required Duct Configuration
| Supply Duct Diameter | 8 inches |
|---|---|
| Return Duct Diameter | 8 inches |
| Supply and Return Arrangement | Separate ducts connected to separate plenums |
| Maximum Individual Duct Length | Up to 25 feet under suitable installation conditions |
| Maximum Combined Length | Up to 50 feet for the supply and return ducts combined |
| Maximum 90-Degree Bends | No more than two on an individual duct run |
Published duct-length values are maximum guidelines, not guaranteed acceptable lengths for every project. Bends, transitions, compressed flexible duct, restrictive registers, internal duct roughness, and other sources of static pressure can require shorter runs.
Recommended Ducting Practices
- Use 8-inch ductwork on both the supply and return sides.
- Do not reduce the duct diameter below the specified size.
- Keep both duct runs as short and straight as practical.
- Use sweeping turns instead of tight elbows.
- Avoid unnecessary transitions, branches, dampers, and restrictive fittings.
- Fully extend flexible ductwork rather than leaving it compressed.
- Support flexible ductwork to prevent sagging and internal restriction.
- Do not allow framing, stored materials, or insulation to crush the ducts.
- Seal all duct joints and plenum connections.
- Insulate both supply and return ducts.
- Maintain a continuous exterior vapor barrier around insulated ductwork.
- Keep the supply and return registers sufficiently separated inside the cellar.
- Confirm airflow after the complete system has been installed.
Each bend and fitting adds resistance to airflow. The supplied WhisperKOOL documentation notes that a 90-degree bend can reduce available airflow, making careful duct routing important for system performance.
Supply and Return Register Requirements
Supply and return registers are not included with the 03-DUCTED-KIT-MIN. The selected registers must provide enough open area for the Mini Blow-Through system to move air without excessive restriction.
Register size alone does not determine airflow capability. Decorative blades, narrow slots, backing plates, insect screens, mesh, filters, and trim can substantially reduce the usable free area.
Register Planning Guidelines
- Provide approximately 50%–65% free area across the usable register face.
- Avoid decorative registers with tightly spaced or heavily angled blades.
- Do not add restrictive mesh, foam, screening, or solid backing.
- Maintain consistent openings across linear register faces.
- Confirm the finished free area before custom registers are fabricated.
- Do not allow paint, stain, trim, or sealant to reduce the register openings.
- Keep supply and return registers clear of bottles, boxes, racks, doors, and furniture.
- Place the supply and return far enough apart to reduce immediate recirculation.
- Use an appropriate return-air filter arrangement where required by the installation documentation.
Restrictive registers can reduce cooling performance, increase airflow noise, increase static pressure, contribute to evaporator-coil freezing, and place unnecessary stress on the cooling system.
Supply and Return Airflow Planning
The supply register delivers conditioned air into the wine cellar, while the return register draws warmer air back toward the Mini evaporator. Their positions should encourage circulation across the full wine-storage space rather than allowing supply air to travel directly into the return opening.
Supply-Air Placement
Supply air is commonly introduced from a higher wall or ceiling position so that conditioned air can circulate through the cellar. The exact location should account for the room dimensions, wine racks, glass surfaces, doors, lighting, and other heat sources.
Return-Air Placement
The return opening should be positioned where it can collect warmer cellar air without being blocked by wine bottles, cases, racks, cabinetry, or decorative finishes.
Avoid Airflow Short Cycling
Short cycling can occur when conditioned supply air is drawn directly back into the return before it circulates through the cellar. Adequate separation and thoughtful register orientation help establish a more effective airflow path.
Plenum, Duct, and Vapor-Barrier Requirements
The plenums and connected ducts carry air at temperatures that may be below the dew point of surrounding warm or humid spaces. Proper insulation and vapor sealing are therefore necessary to reduce condensation risk.
The plenums must be insulated according to the official Mini Blow-Through installation instructions. Field-installed supply and return ducts must also be insulated and protected with a continuous exterior vapor barrier.
Insulation Checklist
- Install the specified insulation around both Mini duct plenums.
- Insulate the entire supply duct.
- Insulate the entire return duct.
- Use insulation with an exterior vapor-retarding jacket.
- Seal insulation seams, joints, and penetrations.
- Seal the duct-to-plenum connections.
- Do not leave exposed cold metal surfaces in warm or humid cavities.
- Insulate the evaporator installation area as required by the owner's manual.
- Inspect the completed installation for gaps before enclosing the equipment.
Incomplete insulation or vapor sealing can cause condensation, water damage, corrosion, reduced cooling performance, and damage to nearby finishes or building materials.
Installation Overview
Installation of the 03-DUCTED-KIT-MIN must be coordinated with the complete Mini Blow-Through cooling-system installation. The plenum orientation, duct routes, evaporator support, refrigeration piping, condensate drainage, control wiring, power requirements, insulation, and service access should be planned before the evaporator is enclosed.
General Installation Sequence
- Confirm that the evaporator is a compatible WhisperKOOL Mini Blow-Through model.
- Verify that the accessory model is 03-DUCTED-KIT-MIN.
- Inspect both Mini duct plenums and supplied components for damage.
- Identify the return-air and supply-air sides of the evaporator.
- Plan separate 8-inch supply and return duct routes.
- Determine the final supply and return register locations.
- Verify that the proposed register designs provide adequate free area.
- Prepare and insulate the evaporator as required by the official manual.
- Attach one Mini plenum to the return-air side.
- Attach the second Mini plenum to the supply-air side.
- Install the required plenum insulation.
- Connect the insulated 8-inch supply and return ducts.
- Seal all duct-to-plenum connections.
- Support the ducts independently so their weight does not pull on the plenums.
- Install the cellar supply and return registers.
- Configure the evaporator fan for fully ducted operation according to the official instructions.
- Commission the complete system and verify airflow at both cellar openings.
Service-Access Requirements
Concealing the Mini evaporator does not eliminate the need for future service access. The finished installation must allow qualified technicians to inspect and service the evaporator, plenums, drain system, refrigeration connections, electrical components, controls, and duct connections.
- Provide an appropriately sized access panel.
- Do not permanently seal the evaporator behind drywall or millwork.
- Ensure that access is not blocked by wine racks or stored cases.
- Allow room to inspect and clean the return-air filter.
- Allow access to both plenum connections.
- Provide access to the condensate-drain components.
- Maintain access to electrical and control connections.
- Provide enough working room for future repair or component replacement.
What's Included
- One Mini return-air duct plenum
- One Mini supply-air duct plenum
- Two Mini-specific plenum components for a fully ducted configuration
- Applicable plenum insulation components supplied for the Mini ducted arrangement
Review the packing slip and official installation documentation upon delivery. Packaged hardware or component details may be subject to the manufacturer's current production configuration.
What's Not Included
- WhisperKOOL Mini Blow-Through evaporator
- Matching condensing unit
- Refrigerant line set
- Refrigerant
- 8-inch supply duct
- 8-inch return duct
- Duct elbows, transitions, branches, or dampers
- Duct supports and suspension materials
- Supply register
- Return register or grille
- Custom linear registers
- Wine cellar construction materials
- Soffit, cabinet, or mechanical-room framing
- Electrical wiring or electrical labor
- Refrigeration installation materials
- HVAC-R installation or commissioning labor
Mini Ducted vs. Ductless vs. Hybrid Airflow
| Configuration | Airflow Arrangement | Best Used When |
|---|---|---|
| Mini Ducted Airflow Kit | Both return and supply air are routed through separate ducts. | The Mini evaporator must be concealed and both airflow paths require remote routing. |
| Mini Ductless Airflow Configuration | Return and supply air connect directly to the cellar without field-installed airflow ducts. | The evaporator can be placed directly adjacent to the cellar openings. |
| Mini Hybrid Airflow Configuration | One side is ducted while the other connects directly to the cellar. | Only the supply or return side requires remote routing. |
Choose the 03-DUCTED-KIT-MIN only when the project requires both sides of the Mini Blow-Through evaporator to be connected to ductwork.
Not Recommended If
- You are installing a WhisperKOOL Blow-Through 4000 or 8000 evaporator.
- You need only one duct plenum.
- Your project requires a ductless or hybrid airflow configuration.
- There is not enough space for separate 8-inch supply and return ducts.
- The ductwork would need to be sharply bent, crushed, or significantly reduced.
- The proposed registers cannot provide sufficient open area.
- The evaporator location cannot be properly insulated.
- The evaporator would not remain accessible for maintenance.
- The cooling system has not been selected through an appropriate cellar heat-load and sizing process.
Maintenance Considerations
The Mini plenums and connected duct system should be inspected as part of routine maintenance for the complete Blow-Through cooling system. Airflow restrictions or insulation failures can affect performance even when the refrigeration system is operating normally.
Recommended Inspection Items
- Inspect both plenums for damage or loose connections.
- Inspect supply and return ducts for crushing, sagging, or disconnection.
- Check all duct supports.
- Inspect insulation for gaps, tears, or moisture damage.
- Inspect vapor-barrier seams and sealed penetrations.
- Clean the supply register.
- Clean the return register or grille.
- Clean or replace the return-air filter as required.
- Remove any bottles, cases, or furnishings blocking airflow.
- Check for condensation around the plenums, ducts, and registers.
- Verify airflow from the supply register.
- Verify that air returns freely through the return register.
Resources & Downloads
- WhisperKOOL Blow-Through Series Sales Sheet
- WhisperKOOL Blow-Through Airflow Configuration Sheet
- WhisperKOOL Blow-Through Product Sheet
- Register and Louver Airflow Requirements
- WhisperKOOL Blow-Through Series H.E. Owner's Manual
- WhisperKOOL Linear Register Ducting Best Practices
- WhisperKOOL Blow-Through Series Maintenance Checklist
Frequently Asked Questions
What is the WhisperKOOL 03-DUCTED-KIT-MIN?
It is a fully ducted airflow accessory kit for a compatible WhisperKOOL Mini Blow-Through evaporator. It provides two duct plenums: one for return air and one for conditioned supply air.
How many duct plenums are included?
The Mini Ducted Airflow Kit includes two plenums. One connects to the return-air side of the evaporator, and the other connects to the supply-air side.
Is the 03-DUCTED-KIT-MIN a complete cooling system?
No. It is an airflow accessory only. The Mini Blow-Through evaporator, condenser, refrigerant piping, ductwork, registers, electrical work, and installation labor are not included.
Which evaporator is compatible with this kit?
The kit is designed for a compatible WhisperKOOL Mini Blow-Through evaporator. It is not the ducted kit for the larger Blow-Through 4000 or 8000 models.
What duct size does the Mini Ducted Airflow Kit require?
The Mini fully ducted configuration uses a separate 8-inch supply duct and 8-inch return duct.
Are the 8-inch ducts included?
No. The kit provides the two Mini duct plenums. The insulated 8-inch supply and return ducts must be supplied and installed separately.
Are supply and return registers included?
No. Cellar registers or grilles are supplied separately and must be sized to provide adequate airflow and open area.
What does fully ducted mean?
Fully ducted means that both the return-air side and supply-air side of the Mini evaporator are connected to separate ducts. Air returns from the cellar through one duct and conditioned air travels back through the other.
Can this kit conceal the Mini Blow-Through evaporator?
Yes. A fully ducted configuration can allow the evaporator to be installed outside the primary cellar sightline, provided the location satisfies all insulation, drainage, airflow, structural, and service-access requirements.
Can the evaporator be installed in a soffit?
It may be installed in a properly designed soffit when the complete installation meets the manufacturer's requirements for structural support, insulation, vapor sealing, drainage, airflow, and service access.
How long can the Mini supply and return ducts be?
The supplied guidance provides a maximum of up to 25 feet for an individual run and up to 50 feet for the supply and return combined. Actual acceptable lengths may be shorter when bends, restrictions, compression, or restrictive registers are present.
How many 90-degree bends can each duct have?
No more than two 90-degree bends should be used on an individual duct run. Broad, sweeping turns are preferred because sharp bends increase resistance and reduce airflow.
Can flexible ductwork be used?
Flexible duct may be used when it is correctly sized, insulated, fully extended, sealed, and supported. It must not be crushed, compressed, sharply bent, or allowed to sag.
Can the 8-inch duct be reduced to a smaller diameter?
Reducing the specified duct diameter can increase static pressure and reduce airflow. The duct system should maintain the required 8-inch diameter unless an approved system design specifically states otherwise.
Do the Mini duct plenums require insulation?
Yes. The plenums must be insulated according to the official installation instructions. The connected supply and return ducts must also be insulated and vapor sealed.
How much free area should the cellar registers provide?
Customer-supplied registers should generally provide approximately 50%–65% free area across the usable face. Decorative blades, mesh, screens, and backing can substantially reduce that area.
Why must the supply and return registers be separated?
Separation helps conditioned air circulate through the wine cellar before returning to the evaporator. Registers installed too close together can cause immediate recirculation and uneven cellar conditions.
Can this kit be used for a glass wine cellar?
It can be used as part of a properly designed glass-cellar cooling system. However, glass can substantially increase the cooling load, so equipment selection must be based on a project-specific heat-load calculation.
Does the ducted configuration affect cooling performance?
Ducts, bends, fittings, and registers add resistance to airflow. Cooling-system sizing and performance evaluation should therefore use the applicable fully ducted data for the Mini Blow-Through system.
What fan configuration should be used?
The evaporator fan must be configured for fully ducted operation according to the official WhisperKOOL installation instructions. The installing technician should verify airflow during system commissioning.
Does the Mini Ducted Airflow Kit require professional installation?
Yes. It should be installed as part of a professionally planned Mini Blow-Through system. The complete split refrigeration system must be installed and commissioned by a qualified HVAC-R technician.
How do I know whether I need the ducted or hybrid Mini kit?
Choose the ducted kit when both supply and return air must travel through ducts. Choose a hybrid configuration when only one side requires ducting and the other side connects directly to the cellar.
Can the 03-DUCTED-KIT-MIN be used with the Blow-Through 4000 or 8000?
No. The 03-DUCTED-KIT-MIN is specific to the Mini Blow-Through configuration. The 4000 and 8000 models use different airflow components and larger duct connections.
Important Ordering Guidance
Before ordering the WhisperKOOL Mini Ducted Airflow Kit 03-DUCTED-KIT-MIN, confirm that the cooling project uses a compatible Mini Blow-Through evaporator and requires both the supply and return sides to be fully ducted.
The project team should also verify that there is sufficient space for separate 8-inch ducts, properly sized cellar registers, complete insulation, vapor sealing, condensate management, and future service access.
Correct model selection, duct design, register free area, installation quality, and system commissioning are essential. The ducted airflow kit does not increase the cooling capacity of an undersized system and does not replace the need for a wine cellar heat-load calculation.
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