HOT ! Breezaire WKL 4000 Wine Cellar Cooling System (Up to 1000 cu. ft.)

Is the Breezaire WKL 4000 the Right Cooling Unit for Your Wine Cellar?

The Breezaire WKL 4000 is a self-contained, through-the-wall wine cellar cooling system designed for properly constructed cellars up to 1000 cubic feet. It is ideal for collectors and homeowners who want reliable temperature control, quiet operation, and straightforward installation without requiring a split or ducted system.

Available in WKL 1060 for 140 cu.ft. cellar size, WKL 2200 for 265 cu.ft. cellar size, WKL 3000 for 650 cu.ft. cellar size, WKL 4000 for 1000 cu.ft. cellar size, WKL 6000 for 1500 cu.ft. cellar size, and WKL 8000 for 2000 cu.ft. cellar size.

✅ Quick Decision Summary

Best for:

• Wine cellars up to 1000 cu. ft.
  


• Through-the-wall installations (no ducting required)


• Residential cellars or light commercial use


• Users wanting simple, plug-and-play installation
  

Not ideal if:

• Your cellar exceeds 1000 cu. ft.
  


• The exhaust/adjacent room is smaller or poorly ventilated
  


• Your cellar has glass walls, poor insulation, or high heat load
  


• You need ducted or remote cooling
  

👉 Not sure if this unit fits your cellar? Get a FREE Wine Cellar Design Plan before you buy.

Do you have a different size wine cellar? Or just want to check your options? Check out other Breezaire WKL Series Through-the-Wall Cooling Units now! You can also browse our other Self Contained Wine Cellar Systems.

🍷 Who This Unit Is For

• 
  Serious wine collectors needing stable long-term storage


• Homeowners building a medium-sized cellar


• 
  Contractors & designers working on standard insulated wine rooms


• 
  Restaurants or hospitality spaces requiring quiet, reliable cooling

⚠️ When You Should NOT Choose the WKL 4000

Do NOT use this unit if:

• Your cellar is larger than 1000 cu. ft.


• Your cellar is not properly insulated or sealed


• The exhaust room cannot dissipate heat effectively


• Your project requires ducting or remote condenser placement

👉 In these cases, a split or ducted system is the correct solution.

⚙️ How the WKL 4000 Works (Simple Explanation)

The WKL 4000 is a self-contained, compressor-based cooling unit that installs through a wall. It pulls warm air from your cellar, cools it, and exhausts heat into an adjacent room.

✔ No refrigerant handling✔ No external condenser✔ No HVAC complexity

👉 This makes it one of the most cost-effective and easiest systems to install.

🔑 Key Features & Real-World Benefits

Precision Temperature Control (50°F–60°F)

Maintains the ideal range for wine aging, preventing spoilage and preserving flavor integrity.

Automatic Humidity Support (50%–75%)

Helps protect corks from drying and prevents label damage during long-term storage.(Additional humidity may be required in dry climates)

Ultra-Quiet Operation

Designed to minimize noise, making it suitable for:

• Home wine rooms


• Dining areas


• Hospitality environments

Low Vibration Cooling

Reduces disturbance to wine sediment — critical for aging premium wines properly.

Through-the-Wall Installation

• No plumbing required


• No specialized wiring


• Plugs into standard 115V outlet
  

👉 Ideal for projects that need simplicity and reliability.

🧠 Built-In Protection Features

• Power outage protection


• High-temperature shutdown


• Blocked airflow detection


• Fan and system monitoring

👉 These safeguards help prevent damage to your wine collection.

📦 Specifications

• 
  Cooling Capacity: Up to 1000 cu. ft.


• 
  BTU Cooling: 4000


• 
  Dimensions (H x W x D): 19.75\" x 14.25\" x 21.63\"


• 
  Weight: 81 lbs


• 
  Installation Type: Through-the-wall


• 
  Exhaust Direction: Rear


• 
  Electrical Requirements: 115V, 60Hz, 7A


• 
  Temperature Control: Digital (Sentry III+)


• 
  Display: LED readout


• 
  Humidity Control: Automatic


• 
  Defrost System: Automatic

📘 Manuals & Resources

• Installation Manual


• Sentry III Plus Controller Owner\'s Manual


• Warranty Details

📏 Installation Requirements (Critical Before Purchase)

To ensure proper performance, your cellar must meet these conditions:

✔ Proper Insulation

• Insulated walls, ceiling, and door


• Vapor barrier installed

✔ Adequate Exhaust Room

• Must be equal to or larger than cellar size
  


• Must be well-ventilated

✔ Stable Ambient Environment

• Avoid extreme heat conditions


• Limit direct sunlight and glass exposure

⚠️ Most cooling issues are caused by improper installation—not the unit.

👉 Our experts will design your system for FREE to ensure compatibility.

🔄 WKL Series Comparison

Sentry III+ Digital Control System

Advanced onboard system that:

• Displays real-time temperature via LED


• Maintains consistent climate automatically


• Protects the system from failure conditions

🔧 Optional Upgrade: Bottle Probe

The optional bottle probe allows the system to regulate temperature based on liquid temperature instead of air.

Best for:

• Long-term aging


• Precision collectors


• High-value wine storage

🛡 Warranty

• 
  Parts: 5 Years


• 
  Labor: 1 Year

📞 Need Help Choosing the Right System?

Choosing the wrong cooling system can lead to:

• Temperature instability


• Wine damage


• Expensive corrections

👉 Get a FREE Wine Cellar Design Consultation📞 +1-888-407-7770📧 support@winecoolersempire.com

🛒 Ready to Protect Your Wine Collection?

The Breezaire WKL 4000 is a trusted solution for properly built wine cellars up to 1000 cu. ft., offering reliable performance, quiet operation, and simple installation.

👉 Order now or speak with an expert to confirm it’s the right fit before purchasing.