
Wine Guardian TTW01B Sentinel Wine Cellar Cooling Unit 2000 BTU (Through-the-Wall)
Wine Guardian TTW01B Sentinel Wine Cellar Cooling Unit 2000 BTU (Through-the-Wall) is backordered and will ship as soon as it is back in stock.
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TTW Universal Features
Advanced cooling technology across Classic, Sentinel, and Defender Series
Whisper-Quiet Operation
As quiet as 49 dB at 6 feet - significantly quieter than competitors. Designed to limit vibrations and operational noise that disturb the ambience of your wine space.
Fail-Safe Protections
Advanced protection systems including condensate overflow switch, loss-of-charge switch, and auto-reset high pressure switch to protect your system and cellar.
Eco-Friendly Refrigerant
Uses refrigerant with low global warming potential in compliance with U.S. environmental regulations. Only TTW to meet US regulatory standards.
The TTW Sentinel Series is a versatile cooling system perfect for a wide range of cellar and wine display applications. This advanced 2000 BTU unit combines smart technology with precision cooling for the discerning wine collector.
Key Features:
- 2000 BTU/h cooling capacity (0.6 kW)
- Smartphone controllable from any location via Wi-Fi (iOS coming soon)
- Bluetooth connectivity included
- Eco-friendly R513A refrigerant with low global warming potential
- Integrated humidity sensor and humidistat for optional humidifier connection
- Condensate re-evaporation system - no drain connection required
- Larger Carel controller for advanced functionality
- Condenser inlet accepts temperatures from 50°F (10°C) to 125°F (52°C)
- Compatible with previous wall sleeves
- Power supply: 230V 50Hz or 120V 60Hz
Advanced Sentinel Features:
- Wi-Fi controls for remote monitoring and adjustment
- No condensate drain required thanks to re-evaporation technology
- Combined thermostat and humidistat functionality
- All Classic Series features included
- Versatile system suitable for most applications
Universal TTW Benefits:
- Whisper-quiet operation designed to limit vibrations and noise
- Fail-safe protections: condensate overflow switch, loss-of-charge switch, auto-reset high pressure switch
- Easy DIY installation - no licensed contractor required
- USA-designed and assembled quality
- Advanced control features with three control modes (User, Service, OEM)
- Energy efficient design meets US DOE efficiency standards
- Only TTW to meet US regulatory standards
Installation & Compatibility:
- Installs between wall studs for versatile mounting applications
- Compatible with existing wall sleeve installations
- Simple slide-through installation process
Payment & Security
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Through-the-Wall Collection
Specifications |
![]() Classic Series
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![]() Sentinel Series
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![]() Defender Series
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BTU Range | 1000, 2000, 4000 BTU/h | 1000, 2000, 4000 BTU/h | 1000, 2000, 4000 BTU/h |
Power Supply | 230V 50Hz or 120V 60Hz | 230V 50Hz or 120V 60Hz | 230V 50Hz or 120V 60Hz |
Bluetooth Controls | ✓ | ✓ | ✓ |
Wi-Fi Controls | — | ✓ iOS coming soon |
✓ iOS coming soon |
Humidity Sensor | — | ✓ | ✓ |
Condensate Evaporator | Drain connection required | ✓ | ✓ |
Controller Size | Smaller Carel controller | Larger Carel controller | Larger Carel controller |
Ultra Quiet Package | — | — | ✓ |
Exterior Wall Package | — | — | ✓ |
Temperature Control Range | 50°F to 125°F ambient | 50°F to 125°F ambient | 0°F to 125°F ambient 42°F to 75°F cellar |
Sound Level (at 6') | Standard operation | Standard operation | 49 dB (Ultra Quiet) |
Installation | DIY friendly | DIY friendly | DIY friendly |
Wall Sleeve Compatibility | Previous sleeves fit | Previous sleeves fit | Previous sleeves fit |
1000 BTU Price | $2,950 | $3,950 | $4,950 |
2000 BTU Price | $3,950 | $4,950 | $5,950 |
4000 BTU Price | $4,950 | $5,950 | $6,950 |

Wine Guardian: Precision Climate for Cellars Since 1998
Founded in 1998 by Air Innovations engineers Larry and Mike Wetzel, Wine Guardian turns cellar know-how into commercial-grade climate control. Ducted, split, and through-the-wall systems, plus humidifiers, hold precise temperature and humidity, quietly and reliably, for cellars from compact rooms to showcase walls.bringing quiet reliability, flexible configurations, and peace of mind to any space from a compact wine room to a showcase walls.