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Wine Guardian TTW04B Defender Through-The-Wall Wine Cellar Cooling Unit
Wine Guardian | SKU:
WGTTW04BE1LCD2A0BHF
$7,159.00
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Wine Guardian TTW04B Defender Through-The-Wall Wine Cellar Cooling Unit is backordered and will ship as soon as it is back in stock.
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Wine Guardian TTW04B Defender Through-The-Wall Wine Cellar Cooling ...
$7,159.00
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Wine Guardian Defender WGTTW04B Through-The-Wall Wine Cellar Cooling Unit
The Wine Guardian Defender WGTTW04B is a self-contained through-the-wall wine cellar cooling unit designed for wine cellars and wine display applications up to approximately 600 cubic feet. It combines quiet operation, smart controls, humidity monitoring, energy-efficient performance, and DIY-friendly installation without requiring ductwork or a remote condenser.
Important: Performance may vary with different condensing-side conditions. Refer to the specification sheet for details before selecting or installing this system.
Quick Specifications
| System Type | Through-The-Wall Self-Contained Cooling Unit |
|---|---|
| Cooling Capacity | 3,760 BTU/h @ 75°F (24°C) |
| BTU Range | 2,830 – 3,760 BTU |
| Recommended Cellar Capacity | Up to 600 cubic feet |
| Installation Level | Do-It-Yourself |
| Electrical | 120V / 1 Phase / 60Hz |
| Plug Type | Type B |
| Sound Level | 56.9 dBA |
| Dimensions | 33.75" L × 14.1" W × 15.75" H |
| Weight | 78 lbs |
Is the Wine Guardian Defender WGTTW04B Right for Your Cellar?
Best For
- Wine cellars up to approximately 600 cubic feet
- Residential wine rooms and wine display applications
- Projects where through-the-wall installation is preferred
- Homeowners seeking a DIY-friendly Wine Guardian cooling system
- Collectors who want smart monitoring, quiet operation, and built-in protection features
Consider Another System If
- Your cellar exceeds the cooling load capacity of this unit
- You require remote equipment placement
- You need a ducted or split wine cellar cooling system
- Your cellar has extensive glass exposure or unusual heat-load conditions
- You are cooling a larger commercial wine storage environment
Why Choose Wine Guardian?
Wine Guardian offers efficient, reliable, and quiet wine cellar cooling systems with smart controls designed to help protect wine collections. The Defender Through-The-Wall Series combines advanced climate control with simplified installation for properly constructed wine rooms and wine display spaces.
Defender WGTTW04B Key Features
Unrivaled Energy Efficiency
Optimized for maximum energy efficiency, the TTW can help reduce energy costs and meets U.S. DOE efficiency standards.
Whisper-Quiet Operation
Designed to limit vibration and operational noise that can disturb the ambience of your wine space.
Fail-Safe Protections
Advanced fail-safe features help protect the cooling system and cellar environment from damage.
Precise Temperature & Humidity Control
Designed to achieve wine storage temperatures from 55°F (13°C) to 58°F (14°C) and relative humidity of 55%–65% with an optional free-standing humidifier.
DIY Installation
Installation is designed to be simple by sliding the unit through the wall sleeve or mounting brackets. A licensed contractor is not required.
Eco-Friendly Refrigerant
Wine Guardian TTW units use refrigerant with a low global warming potential in compliance with U.S. environmental regulations.
Humidity Sensor
Combined thermostat and humidistat allows seamless humidifier connection.
Condensate Evaporator
Re-evaporation system helps prevent leakage without requiring a drain line.
Wi-Fi Controls
Smart device controls allow monitoring and control through Wi-Fi connection.
Ultra Quiet Package
Additional sound-reduction material provides quieter operation.
Expanded Temperature Control
Expanded cellar temperature options from 42°F (6°C) to 75°F (24°C).
Exterior Wall Package
Includes exterior grille, coated condenser coil, heater, and support for condenser-side ambient temperatures up to 125°F (52°C).
Electric Heater
Heating coil warms cellar air when the temperature drops below the set point.
Installation Requirements
The Defender WGTTW04B is designed for through-the-wall installation, but proper placement, wall preparation, and condensing-side conditions are still critical for performance.
Wall Opening Requirements
The unit installs through a properly prepared wall opening using a wall sleeve or mounting brackets.
Electrical Requirements
The WGTTW04B requires 120V / 1 Phase / 60Hz power and uses a Type B plug.
Condensing-Side Conditions
Performance may vary based on conditions on the condensing side of the unit. Review the specification sheet before installation.
Cellar Construction Requirements
Proper insulation, vapor barriers, sealed doors, and controlled air infiltration help the unit maintain stable wine storage conditions.
Common Through-The-Wall Installation Mistakes
Installing in an Oversized Cellar
A cooling system that is too small for the cellar heat load may struggle to maintain proper wine storage temperatures.
Blocking Condenser Airflow
Restricted condenser airflow can reduce cooling capacity and increase equipment runtime.
Ignoring Glass Exposure
Large glass walls, doors, or display windows can increase heat gain and may require additional sizing review.
Poor Insulation or Vapor Barriers
Inadequate cellar construction can reduce cooling performance, increase energy use, and make temperature control less stable.
What's Included?
- Humidity Sensor
- Condensate Evaporator
- Ultra Quiet Package
- Exterior Wall Package
Additional Built-In Feature
- Electric Heater
Not Included
- Optional free-standing humidifier
- Wine cellar construction materials
- Electrical installation services
- Cooling load calculation services
Technical Specifications
| Model | Wine Guardian Defender WGTTW04B |
|---|---|
| System Type | Through-The-Wall Self-Contained Cooling Unit |
| BTU Range | 2,830 – 3,760 BTU |
| Cooling Capacity | 3,760 BTU/h @ 75°F (24°C) |
| Volume Capacity | Up to 600 ft³ |
| Installation Level | Do-It-Yourself |
| Dimensions | 33.75" L × 14.1" W × 15.75" H |
| Length | 33.75" |
| Width | 14.1" |
| Height | 15.75" |
| Weight | 78 lbs |
| Electrical | 120V / 1 Phase / 60Hz |
| Line Frequency | 60 Hz |
| Plug Type | Type B |
| Sound Level | 56.9 dBA |
Selection Considerations
Cellar Size Matters
The WGTTW04B is rated for wine cellars up to approximately 600 cubic feet. Cellars with significant glass exposure, poor insulation, high ceilings, or elevated ambient temperatures may require additional sizing review.
Through-The-Wall Installation Requirements
This unit requires a proper wall opening, suitable mounting, adequate condensing-side conditions, and access for service.
When to Consider a Different Wine Guardian System
If your project requires remote equipment placement, ducted airflow, larger cooling capacity, or reduced in-cellar equipment visibility, a ducted or split Wine Guardian system may be more appropriate.
Expert Recommendation
The Wine Guardian Defender WGTTW04B is typically recommended for wine cellars up to 600 cubic feet where a straightforward through-the-wall installation is preferred. For wine rooms with substantial glass exposure, unusual layouts, warm surrounding spaces, or uncertain construction details, verify the cooling load before selecting this model.
Manuals for Wine Guardian Defender Through-The-Wall Wine Cooling Unit
Product Videos
Wine Guardian Through-the-Wall Installation Guide
Wine Guardian Through-the-Wall Cooling System | Features & Benefits
Wine Guardian Through-the-Wall Series | Complete Feature Breakdown
📚 Frequently Asked Questions (FAQs)
It is a powerful through-the-wall wine cellar cooling system built for demanding wine storage environments, helping maintain precise temperature and humidity.
It comes in several BTU options, including approximately 1,000, 2,000, and 4,000 BTU/h.
It supports a wide temperature range suitable for wine storage, allowing extended control for both cool cellar and serving conditions.
This model includes an “Ultra Quiet” sound package, which provides additional sound-dampening for low-noise operation.
The unit is designed for through-the-wall DIY installation—just slide it into a wall sleeve or mounting bracket between studs.
It includes built-in protections such as a condensate overflow switch, a loss-of-charge safety switch, and an auto-reset high-pressure switch.
It uses a low-global-warming-potential refrigerant, making it more eco-friendly.
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