Breezaire WKL 4000 Wine Cellar Cooling Unit
Breezaire WKL 4000 Wine Cellar Cooling Unit
Breezaire
In stock
SKU:WKL-4000
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Key Features
| Feature | Description |
|---|---|
| Precise Temperature Control | Maintains the ideal 50°F–60°F range to ensure proper wine aging. |
| Automatic Humidity Control | Keeps humidity between 50%–75% to protect corks and labels from damage. |
| Low-Vibration Design | Internal dampening minimizes bottle movement so sediment settles naturally. |
| Quiet Performance | Operates quietly to maintain a calm and peaceful cellar environment. |
| Sleek Metal Housing | Modern cabinet design blends seamlessly with any cellar layout. |
| Easy Installation | Through-the-wall design with a simple plug-in setup for quick installation. |
| Long-Term Reliability | Built with quality components for consistent, long-lasting performance. |
| Strong Warranty | 1-year unit warranty and 5-year parts warranty coverage |
Why Choose the Breezaire WKL 4000 for Your Wine Cellar?
The Breezaire WKL 4000 is built for medium to large wine cellars, offering reliable cooling performance for spaces up to 1,000 cubic feet. Its quiet, vibration-free operation protects delicate wine sediment, ensuring your collection ages smoothly and without disturbance.
Designed for simple through-the-wall installation, the WKL 4000 integrates easily into most cellar layouts. Its adjustable temperature control lets you create the ideal environment for long-term wine storage.
With automatic humidity management and energy-efficient performance, the Breezaire WKL 4000 delivers dependable, long-lasting cooling—making it a trusted option for collectors who prioritize precision, durability, and protection for their wine.

Manuals for Breezaire WKL 4000 Wine Cellar Cooling Unit
WKL 4000 Installation Manual
Sentry III Plus Controller Owner's Manual
Breezaire Warranty
Breezaire WKL 4000 Specifications
| Dimensions (H x W x D) | 19.75" x 14.25" x 21.63" |
| Capacity | Up to 1000 cu. ft. |
| Installation | Through-the-Wall |
| Electronic Controls | Yes |
| Digital Temperature Display | LED Readout |
| Humidity Control | Automatic |
| Defrost System | Automatic |
| Exhaust Direction | Rear |
| Electrical Requirements | 115 V, 60 Hz - 7 A |
| BTU Cooling | 4000 |
| Weight | 81 lbs |
| Warranty | Labor: 1 Year | Parts: 5 Years |

Also available in
Breezaire WKL 1060 (up to 140 cu. ft.)
Breezaire WKL 2200 (up to 265 cu. ft.)
Breezaire WKL 3000 (up to 650 cu. ft.)
Breezaire WKL 6000 (up to 1500 cu. ft.)
Breezaire WKL 8000 (up to 2000 cu. ft.)
Breezaire Bottle Probe for Wine Cooling Units (Add-On)
The Breezaire Bottle Probe is a must-have accessory for anyone serious about wine preservation. Designed to measure the temperature directly inside your wine bottles, it ensures your collection is stored under optimal conditions.
Compatible with a range of Breezaire cooling systems, the probe provides real-time temperature feedback, allowing you to make precise adjustments and maintain ideal aging conditions. By monitoring the wine at the bottle level, it helps prevent harmful temperature fluctuations that can affect flavor and quality.
Built from durable, high-quality materials, the Breezaire Bottle Probe is easy to install and simple to use, making it an essential tool for both home and commercial wine cellars.
Breezaire Modifications
BLACK Series Cooling Units
BLACK Series units are special order and require 2–4 weeks for production. Once manufacturing has begun, returns or cancellations cannot be accepted.
This is a special-order modification and makes the unit non-returnable.

Upgrade: Cord Out the Back of the Unit
The standard Breezaire configuration places the power cord on the wine cellar side. If your installation requires the cord to exit into an adjacent space, you may upgrade to have the cord come out the back.
This modification is a special-order request and makes the unit non-returnable. A hole must be made in the back grill for cord placement. The cord will be located at the bottom right on the back of the unit.
Please Note: Adding this option may extend production and delivery by 3–4 weeks.
This is a special-order modification and makes the unit non-returnable.
Optional Modification: Power Cord Out the Bottom Rear (WKL Series)
This option relocates the power cord to exit from the bottom rear of the unit. This is a special-order modification.
This is a special-order modification and makes the unit non-returnable.
Optional Modification: Power Cord Out the Bottom Rear (WKCE 1060 & WKCE 2200)
This option relocates the power cord to the bottom rear of WKCE 1060 and WKCE 2200 units. This is a special-order modification.
This is a special-order modification and makes the unit non-returnable.
Standard - Cord Out The Front
Modified - Cord Out The Bottom

Modified - Cord Out The Exhaust

Optional Modification: Hot Exhaust Air Up (WKCE Models)
If your installation requires top exhaust, you can add this optional modification. This directs hot exhaust air upward instead of out the rear. Adequate space for fresh air intake is still required. For example, wine cabinets must still have space behind them for proper airflow.
Please Note: Adding this option may extend production and delivery by 3–4 weeks.
This is a special-order modification and makes the unit non-returnable.
Standard - Hot Air Out Rear
Special Order - Hot Air Out Top (HAU)

Rear Drain Fitting
An optional rear drain fitting is available for installations requiring additional condensate control.

Optional Bottle Probe
The bottle probe is available for Breezaire WKL, WKE, and WKC Series units. It is highly recommended when the wine cellar is located in a warm area, as it allows the unit to regulate temperature based on the liquid temperature inside a bottle rather than the ambient air.
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About Breezaire
Breezaire has been a leading name in wine cellar cooling for over 30 years. Every unit is designed, engineered, and assembled in the USA with a focus on quiet performance, reliability, and precision temperature control.
Unlike standard air conditioners, Breezaire systems are built specifically for wine storage—maintaining the ideal environment to protect your collection from heat, humidity swings, and vibration.
Breezaire’s philosophy is simple:
Deliver dependable cooling that preserves your wine exactly as the winemaker intended.
Each unit is crafted with high-quality components, easy-to-service designs, and protective features such as blocked airflow protection and automatic humidity management. Whether you're building a new cellar or replacing an old system, Breezaire offers long-lasting, low-maintenance cooling trusted by homeowners, collectors, and professionals.
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