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Wine Guardian TTW01B Sentinel Through-The-Wall Wine Cellar Cooling ...
THINKING ABOUT THE PERFECT WINE CELLAR? Save time and money: get expert advice before you buy
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The Wine Guardian TTW01B Sentinel is a self-contained, through-the-wall wine cellar cooling unit rated at 1,440 BTU/h @ 75°F, the smallest of the three Through-the-Wall B series capacities, with a built-in humidity sensor and an internal condensate evaporator.
The TTW01B Sentinel is the mid-tier trim of the redesigned Through-the-Wall (TTW) B series, sitting between the temperature-only Classic and the exterior-rated Defender. It is the trim to choose when the cellar is small, sits on an interior wall, and you want humidity sensing without paying for the Defender's exterior wall package, electric heater or ultra-quiet package.
As an authorized Wine Guardian dealer, Wine Guardian Dealer offers the full TTW Sentinel line with expert selection support, so you can confirm the right capacity for your space before you buy. Wine Guardian manufactures the unit and handles warranty, returns and service.
See the Wine Guardian TTW Sentinel through-the-wall system in action and how its smart, self-contained design protects your collection.
Questions about fit? Call our specialists at (800) 260-1712.
Wine Guardian states on its own TTW009 page that the unit "is being replaced with the TTW01B Sentinel unit". If you are replacing an older small-cellar system, the TTW01B Sentinel is the named successor, keeping the same through-the-wall, ductless format and adding a built-in humidity sensor, an internal condensate evaporator and Bluetooth and NFC controls. A qualified professional can confirm fit for your existing opening and electrical supply.
The Wine Guardian TTW01B Sentinel covers cellars up to about 600 cubic feet.
Wine Guardian sizes the Through-the-Wall B series by heat load rather than by a published cubic-foot rating, so this figure is calculated with Wine Guardian's own cooling calculator at a documented baseline: an 8-foot ceiling, no glass, R-13 walls and floor, R-29 ceiling, a 75°F warmest wall, 80°F air to the condenser and a 55°F cellar. Wine Guardian separately lists the TTW01B as the replacement for the TTW009, which it rates at 50 to 600 cubic feet. A glass door, thin insulation or a warm adjacent room needs a lower figure, so start from the full range of cooling units for cellars up to 1,200 cubic feet and confirm final sizing with a licensed HVAC professional.
Homeowners, collectors and trade buyers with a small wine room, wine closet, wine wall or display on an interior wall who want easy through-the-wall installation, temperature and humidity sensing together, and quiet running, without ductwork or a contractor.
You need the unit to exhaust through an exterior-rated wall or you need supplemental heating (choose the TTW01B Defender), you need more capacity for a larger cellar (step up to the TTW02B Sentinel), or temperature control alone is enough for your space (choose the TTW01B Classic).
A built-in humidity sensor is what the Sentinel trim adds over the Classic: a combined thermostat and humidistat, paired with an internal condensate evaporator that manages the water the coil pulls out of the air. The sensor reads humidity and can drive a connected humidifier, but it does not add moisture by itself, so whether the room needs one at all is worth settling first: when a cellar actually needs a humidifier and when it does not sets out the conditions that decide it.
| Feature | What it means for your cellar |
|---|---|
| Humidity Sensor | A combined thermostat and humidistat lets you connect a Wine Guardian freestanding humidifier for full climate control. The Classic trim does not have this sensor. |
| Condensate Evaporator | An internal re-evaporation system manages condensate inside the unit and often removes the need for a dedicated drain line. |
| Sound Reduction Foam | Internal acoustic foam is part of the Sentinel package, and the unit is rated at 49.5 dB at 6 feet, so it stays in the background in a living space. |
| Eco-Friendly Refrigerant | A non-flammable, low global-warming-potential refrigerant that meets current US environmental standards. |
| Coated Evaporator Coil | A protective coating on the evaporator coil resists corrosion in the damp air a wine cellar is kept at. |
| Bluetooth and NFC Controls | Set and check temperature and humidity from a phone at the unit, without pulling the front grille or reaching behind a rack. |
| Assembled in the USA | Wine Guardian assembles the unit in the United States, and parts and service run through Wine Guardian's own channel. |
Triple fail-safe protection: a condensate overflow switch, a loss-of-charge switch, and an auto-reset high-pressure switch help prevent water damage, protect the compressor, and reduce system downtime.
The Wine Guardian TTW01B Sentinel is rated at 49.5 dB measured six feet from the unit, which is quieter than the 51.9 dB TTW01B Classic and louder than the 47.9 dB TTW01B Defender. The scale below places that figure against everyday sounds.
The TTW01B Sentinel is designed for do-it-yourself installation between standard wall studs. A wall sleeve or the included mounting bracket supports the unit, which slides through the opening and exhausts condenser heat into the adjacent interior space. That adjacent space absorbs the heat the cellar gives up, so it needs to be ventilated rather than a sealed closet. Before cutting anything, a step-by-step walkthrough of a through-the-wall cooling unit installation sets out the framing, sleeve and sealing work the opening needs.
Wine Guardian publishes a single rated capacity for the TTW01B Sentinel, 1,440 BTU/h @ 75°F, rather than a capacity range, and directs anyone with different condensing side conditions to its specifications sheet. It is a single-voltage 120 V unit. The table below is the manufacturer's own data for this model and this trim.
Minimum circuit ampacity, maximum overcurrent protection and any electric-heat wattage are not published on this page. Confirm those figures against the Wine Guardian specifications sheet linked above and have a licensed electrician size the circuit.
Browse all parts and accessories, or explore related ducted and ductless split systems.
All three TTW01B trims are published at the same 1,440 BTU/h @ 75°F, so the decision is not about cooling power. It is about humidity sensing, noise, which wall the unit can exhaust through, and whether you need supplemental heat.
| Decision factor | TTW01B Classic | TTW01B Sentinel | TTW01B Defender |
|---|---|---|---|
| Noise at 6 ft | 51.9 dB | 49.5 dB | 47.9 dB |
| Humidity sensor | Not included | Included | Included |
| Wall it can exhaust through | Interior only | Interior only | Interior or exterior-rated |
| Supplemental electric heater | Not included | Not included | Included |
Best for: choose the TTW01B Sentinel if the cellar is small, sits on an interior wall, and you want humidity sensing as well as temperature control. Not ideal for: choose the TTW01B Classic instead if temperature control alone is enough for your space, and the TTW01B Defender if the unit must exhaust through an exterior-rated wall or you need supplemental heating.
Browse the full range of Wine Guardian through-the-wall wine cellar cooling units or all wine cellar cooling units.
Wine Guardian’s Standard Warranty runs 25 months parts and 13 months labor from the date of original invoice. The optional Platinum Warranty runs 25 months parts and 25 months labor, and adds a 36-month parts-only extension on the compressor, evaporator coil and condenser coil, bringing those three parts to 61 months total. Warranty, returns and service are handled by Wine Guardian, not by this store. Register the unit with Wine Guardian after installation and read the warranty documents above for the terms that apply to your unit.
Buy the Sentinel if you want a built-in humidity sensor as well as temperature control, and the Classic if temperature control alone is enough for your space. Both are published at the same 1,440 BTU/h @ 75°F, and the Sentinel is the quieter of the two at 49.5 dBA against the Classic's 51.9 dBA.
The Wine Guardian TTW01B Sentinel covers cellars up to about 600 cubic feet. Wine Guardian sizes the Through-the-Wall B series by heat load rather than by a published cubic-foot rating, so this figure is calculated with Wine Guardian's own cooling calculator at a documented baseline: an 8-foot ceiling, no glass, R-13 walls and floor, R-29 ceiling, a 75°F warmest wall, 80°F air to the condenser and a 55°F cellar. Wine Guardian separately lists the TTW01B as the replacement for the TTW009, which it rates at 50 to 600 cubic feet. A glass door, an uninsulated wall or a warm adjacent room lowers that number, so treat it as a starting point and confirm final sizing with a licensed HVAC professional.
The TTW01B Sentinel exhausts condenser heat out of its back and into whatever space sits on the other side of the wall, so that room absorbs the heat the cellar loses. It is rated for interior installation only, which means the receiving space needs to be ventilated and not a sealed closet. Confirm the exhaust location, clearances and ventilation with Wine Guardian's official documentation and a licensed HVAC professional or qualified contractor.
The TTW01B Sentinel is rated at 49.5 dBA measured six feet from the unit, quieter than the 51.9 dBA TTW01B Classic. That sits just above a quiet library at about 45 dB and well below a normal conversation at about 60 dB.
Wine Guardian's Standard Warranty covers 25 months parts and 13 months labor from the date of original invoice. The optional Platinum Warranty covers 25 months parts and 25 months labor, and adds a 36-month parts-only extension on the compressor, evaporator coil and condenser coil, bringing those three parts to 61 months total. Warranty coverage is provided by Wine Guardian, not by this store, and the Standard Warranty and Platinum Warranty documents are linked in the Documents and Resources section of this page.
Yes. The TTW01B Sentinel includes a built-in humidity sensor that combines a thermostat and a humidistat, which the Classic trim does not have. Paired with the optional Wine Guardian freestanding humidifier it helps hold roughly 55 to 65 percent relative humidity for long-term storage.
Usually not. The TTW01B Sentinel carries an internal condensate evaporator that re-evaporates condensate, which often removes the need for a dedicated drain line. Confirm final drainage requirements with Wine Guardian's official documentation and a qualified contractor.
Wine Guardian states on its TTW009 page that the unit is being replaced with the TTW01B Sentinel. The TTW01B Sentinel keeps the same through-the-wall, ductless format and adds a built-in humidity sensor, an internal condensate evaporator and Bluetooth and NFC controls. A qualified professional can confirm that it fits your existing wall opening and electrical supply.
Not sure if the TTW01B Sentinel is sized correctly for your cellar? Our Wine Cellar Specialists can confirm the right capacity and configuration for your space.
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The Wine Guardian TTW01B Sentinel is a self-contained, through-the-wall wine cellar cooling unit rated at 1,440 BTU/h @ 75°F, the smallest of the three Through-the-Wall B series capacities, with a built-in humidity sensor and an internal condensate evaporator.
The TTW01B Sentinel is the mid-tier trim of the redesigned Through-the-Wall (TTW) B series, sitting between the temperature-only Classic and the exterior-rated Defender. It is the trim to choose when the cellar is small, sits on an interior wall, and you want humidity sensing without paying for the Defender's exterior wall package, electric heater or ultra-quiet package.
As an authorized Wine Guardian dealer, Wine Guardian Dealer offers the full TTW Sentinel line with expert selection support, so you can confirm the right capacity for your space before you buy. Wine Guardian manufactures the unit and handles warranty, returns and service.
See the Wine Guardian TTW Sentinel through-the-wall system in action and how its smart, self-contained design protects your collection.
Questions about fit? Call our specialists at (800) 260-1712.
Wine Guardian states on its own TTW009 page that the unit "is being replaced with the TTW01B Sentinel unit". If you are replacing an older small-cellar system, the TTW01B Sentinel is the named successor, keeping the same through-the-wall, ductless format and adding a built-in humidity sensor, an internal condensate evaporator and Bluetooth and NFC controls. A qualified professional can confirm fit for your existing opening and electrical supply.
The Wine Guardian TTW01B Sentinel covers cellars up to about 600 cubic feet.
Wine Guardian sizes the Through-the-Wall B series by heat load rather than by a published cubic-foot rating, so this figure is calculated with Wine Guardian's own cooling calculator at a documented baseline: an 8-foot ceiling, no glass, R-13 walls and floor, R-29 ceiling, a 75°F warmest wall, 80°F air to the condenser and a 55°F cellar. Wine Guardian separately lists the TTW01B as the replacement for the TTW009, which it rates at 50 to 600 cubic feet. A glass door, thin insulation or a warm adjacent room needs a lower figure, so start from the full range of cooling units for cellars up to 1,200 cubic feet and confirm final sizing with a licensed HVAC professional.
Homeowners, collectors and trade buyers with a small wine room, wine closet, wine wall or display on an interior wall who want easy through-the-wall installation, temperature and humidity sensing together, and quiet running, without ductwork or a contractor.
You need the unit to exhaust through an exterior-rated wall or you need supplemental heating (choose the TTW01B Defender), you need more capacity for a larger cellar (step up to the TTW02B Sentinel), or temperature control alone is enough for your space (choose the TTW01B Classic).
A built-in humidity sensor is what the Sentinel trim adds over the Classic: a combined thermostat and humidistat, paired with an internal condensate evaporator that manages the water the coil pulls out of the air. The sensor reads humidity and can drive a connected humidifier, but it does not add moisture by itself, so whether the room needs one at all is worth settling first: when a cellar actually needs a humidifier and when it does not sets out the conditions that decide it.
| Feature | What it means for your cellar |
|---|---|
| Humidity Sensor | A combined thermostat and humidistat lets you connect a Wine Guardian freestanding humidifier for full climate control. The Classic trim does not have this sensor. |
| Condensate Evaporator | An internal re-evaporation system manages condensate inside the unit and often removes the need for a dedicated drain line. |
| Sound Reduction Foam | Internal acoustic foam is part of the Sentinel package, and the unit is rated at 49.5 dB at 6 feet, so it stays in the background in a living space. |
| Eco-Friendly Refrigerant | A non-flammable, low global-warming-potential refrigerant that meets current US environmental standards. |
| Coated Evaporator Coil | A protective coating on the evaporator coil resists corrosion in the damp air a wine cellar is kept at. |
| Bluetooth and NFC Controls | Set and check temperature and humidity from a phone at the unit, without pulling the front grille or reaching behind a rack. |
| Assembled in the USA | Wine Guardian assembles the unit in the United States, and parts and service run through Wine Guardian's own channel. |
Triple fail-safe protection: a condensate overflow switch, a loss-of-charge switch, and an auto-reset high-pressure switch help prevent water damage, protect the compressor, and reduce system downtime.
The Wine Guardian TTW01B Sentinel is rated at 49.5 dB measured six feet from the unit, which is quieter than the 51.9 dB TTW01B Classic and louder than the 47.9 dB TTW01B Defender. The scale below places that figure against everyday sounds.
The TTW01B Sentinel is designed for do-it-yourself installation between standard wall studs. A wall sleeve or the included mounting bracket supports the unit, which slides through the opening and exhausts condenser heat into the adjacent interior space. That adjacent space absorbs the heat the cellar gives up, so it needs to be ventilated rather than a sealed closet. Before cutting anything, a step-by-step walkthrough of a through-the-wall cooling unit installation sets out the framing, sleeve and sealing work the opening needs.
Wine Guardian publishes a single rated capacity for the TTW01B Sentinel, 1,440 BTU/h @ 75°F, rather than a capacity range, and directs anyone with different condensing side conditions to its specifications sheet. It is a single-voltage 120 V unit. The table below is the manufacturer's own data for this model and this trim.
Minimum circuit ampacity, maximum overcurrent protection and any electric-heat wattage are not published on this page. Confirm those figures against the Wine Guardian specifications sheet linked above and have a licensed electrician size the circuit.
Browse all parts and accessories, or explore related ducted and ductless split systems.
All three TTW01B trims are published at the same 1,440 BTU/h @ 75°F, so the decision is not about cooling power. It is about humidity sensing, noise, which wall the unit can exhaust through, and whether you need supplemental heat.
| Decision factor | TTW01B Classic | TTW01B Sentinel | TTW01B Defender |
|---|---|---|---|
| Noise at 6 ft | 51.9 dB | 49.5 dB | 47.9 dB |
| Humidity sensor | Not included | Included | Included |
| Wall it can exhaust through | Interior only | Interior only | Interior or exterior-rated |
| Supplemental electric heater | Not included | Not included | Included |
Best for: choose the TTW01B Sentinel if the cellar is small, sits on an interior wall, and you want humidity sensing as well as temperature control. Not ideal for: choose the TTW01B Classic instead if temperature control alone is enough for your space, and the TTW01B Defender if the unit must exhaust through an exterior-rated wall or you need supplemental heating.
Browse the full range of Wine Guardian through-the-wall wine cellar cooling units or all wine cellar cooling units.
Wine Guardian’s Standard Warranty runs 25 months parts and 13 months labor from the date of original invoice. The optional Platinum Warranty runs 25 months parts and 25 months labor, and adds a 36-month parts-only extension on the compressor, evaporator coil and condenser coil, bringing those three parts to 61 months total. Warranty, returns and service are handled by Wine Guardian, not by this store. Register the unit with Wine Guardian after installation and read the warranty documents above for the terms that apply to your unit.
Buy the Sentinel if you want a built-in humidity sensor as well as temperature control, and the Classic if temperature control alone is enough for your space. Both are published at the same 1,440 BTU/h @ 75°F, and the Sentinel is the quieter of the two at 49.5 dBA against the Classic's 51.9 dBA.
The Wine Guardian TTW01B Sentinel covers cellars up to about 600 cubic feet. Wine Guardian sizes the Through-the-Wall B series by heat load rather than by a published cubic-foot rating, so this figure is calculated with Wine Guardian's own cooling calculator at a documented baseline: an 8-foot ceiling, no glass, R-13 walls and floor, R-29 ceiling, a 75°F warmest wall, 80°F air to the condenser and a 55°F cellar. Wine Guardian separately lists the TTW01B as the replacement for the TTW009, which it rates at 50 to 600 cubic feet. A glass door, an uninsulated wall or a warm adjacent room lowers that number, so treat it as a starting point and confirm final sizing with a licensed HVAC professional.
The TTW01B Sentinel exhausts condenser heat out of its back and into whatever space sits on the other side of the wall, so that room absorbs the heat the cellar loses. It is rated for interior installation only, which means the receiving space needs to be ventilated and not a sealed closet. Confirm the exhaust location, clearances and ventilation with Wine Guardian's official documentation and a licensed HVAC professional or qualified contractor.
The TTW01B Sentinel is rated at 49.5 dBA measured six feet from the unit, quieter than the 51.9 dBA TTW01B Classic. That sits just above a quiet library at about 45 dB and well below a normal conversation at about 60 dB.
Wine Guardian's Standard Warranty covers 25 months parts and 13 months labor from the date of original invoice. The optional Platinum Warranty covers 25 months parts and 25 months labor, and adds a 36-month parts-only extension on the compressor, evaporator coil and condenser coil, bringing those three parts to 61 months total. Warranty coverage is provided by Wine Guardian, not by this store, and the Standard Warranty and Platinum Warranty documents are linked in the Documents and Resources section of this page.
Yes. The TTW01B Sentinel includes a built-in humidity sensor that combines a thermostat and a humidistat, which the Classic trim does not have. Paired with the optional Wine Guardian freestanding humidifier it helps hold roughly 55 to 65 percent relative humidity for long-term storage.
Usually not. The TTW01B Sentinel carries an internal condensate evaporator that re-evaporates condensate, which often removes the need for a dedicated drain line. Confirm final drainage requirements with Wine Guardian's official documentation and a qualified contractor.
Wine Guardian states on its TTW009 page that the unit is being replaced with the TTW01B Sentinel. The TTW01B Sentinel keeps the same through-the-wall, ductless format and adds a built-in humidity sensor, an internal condensate evaporator and Bluetooth and NFC controls. A qualified professional can confirm that it fits your existing wall opening and electrical supply.
Not sure if the TTW01B Sentinel is sized correctly for your cellar? Our Wine Cellar Specialists can confirm the right capacity and configuration for your space.
