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Designing a Wine Cellar? Let’s get it right.

Start with a free expert consult—cooling system sizing, racking options, and zero pressure.

Wine Guardian TTW01B Sentinel Through-The-Wall Wine Cellar Cooling Unit

Wine Guardian  |  SKU: WGTTW01B00LCS2A0BHF

Regular price $4,069.00 USD
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Description

Sentinel Series · Through-The-Wall

Wine Guardian TTW01B Sentinel Through-The-Wall Wine Cellar Cooling Unit

The Wine Guardian TTW01B Sentinel is a self-contained, through-the-wall wine cellar cooling unit that delivers 830–1,650 BTU/h of precise temperature and humidity control for small to mid-sized residential and commercial cellars. It combines an eco-friendly refrigerant, a built-in humidity sensor, and an internal condensate evaporator that removes the need for a drain line, all in a streamlined, do-it-yourself design.

The TTW01B Sentinel is the mid-tier model in Wine Guardian's redesigned Through-the-Wall (TTW) line, sitting between the value-focused Classic and the exterior-rated Defender. It adds humidity sensing and an internal condensate evaporator to the Classic platform, making it the most versatile choice for collectors who want both temperature and humidity control without ductwork or a licensed contractor.

As an authorized Wine Guardian dealer, Wine Cellar Authority offers the full TTW Sentinel line with expert selection support, so you can confirm the right capacity for your space before you buy.

1,440
BTU/h nominal
49.5dB
at 6 ft
42–75°F
cellar range
58lb
weight
Cooling capacity is rated under standard conditions. Actual sizing depends on cellar insulation, glass exposure, ambient temperature, and other factors. Always confirm the right model with Wine Guardian's sizing calculator and a qualified professional before purchase.
Replaces TTW009

The TTW01B Sentinel is the direct replacement for the discontinued Wine Guardian TTW009 through-the-wall unit. If you previously owned or specified the TTW009, the TTW01B Sentinel is the current equivalent, with improved efficiency, eco-friendly refrigerant, humidity sensing, and smart connectivity.

Who It Is For

Is the TTW01B Sentinel Right for You

Ideal For

Homeowners and collectors with small to mid-sized wine rooms, wine walls, or displays who want easy through-the-wall installation, both temperature and humidity control, and quiet operation, without ducting or a contractor.

× Consider Another Model If

You need exterior-wall installation rated for outdoor conditions (choose the TTW01B Defender), a larger cellar capacity (step up to TTW02B or TTW04B), or a budget unit without humidity sensing (choose the TTW01B Classic).

Key Features

TTW01B Sentinel Features and Benefits

Feature What it means for your cellar
Humidity Sensor Combined thermostat and humidistat allows seamless integration with a Wine Guardian freestanding humidifier for full climate control.
Condensate Evaporator Internal condensate re-evaporation system prevents leakage and often removes the need for a drain line.
Whisper-Quiet Operates as quiet as 49.5 dB at 6 feet (2 m), preserving the ambiance of your wine space.
Eco-Friendly Refrigerant Uses a low global-warming-potential refrigerant, meeting current US environmental standards.
Smart Controls Bluetooth and Wi-Fi connectivity let you monitor and adjust conditions from your smart device.

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.

See It in Action

See the TTW01B Sentinel in Action

Watch How It Works

See the Wine Guardian TTW Sentinel through-the-wall system in action and how its smart, self-contained design protects your collection.

  • Through-the-wall installation, no ductwork
  • Built-in humidity sensor and smart controls
  • Whisper-quiet, fail-safe operation

Questions about fit? Call our specialists at (888) 885-1670.

Whisper-Quiet

How Quiet Is It

The TTW01B Sentinel measured at six feet, against everyday sounds.

60 dBNormal conversation
55 dBElectric toothbrush
50 dBModerate rainfall
49.5 dBTTW01B Sentinel at 6 ft
45 dBQuiet library
Installation

Installation Requirements

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 to exhaust heat into an adjacent interior space.

Installs through an interior wall (not rated for exterior use)
Mounting bracket included; wall sleeve available separately
Exhausts heat into an adjacent, ventilated interior room
Internal condensate evaporator often eliminates a dedicated drain line
This is general guidance only. Final placement, electrical requirements, drainage, and ventilation should be confirmed with Wine Guardian's official documentation and a licensed HVAC professional or qualified contractor.
In the Box

What’s Included

TTW01B Sentinel cooling unit
Mounting bracket
Humidity sensor
Condensate evaporator
Owner's manual, brochure, and spec sheet
Specifications

Full Technical Specs

ModelTTW01B Sentinel
Cooling Capacity830–1,650 BTU/h (nominal 1,440 BTU/h @ 75°F)
Line Frequency60Hz (USA, Canada, and most of Central & South America)
Plug TypeStandard USA Type B
Dimensions27.6 × 14.1 × 15.75 in
Weight58 lbs
Temperature RangeMaintains approximately 55°F–58°F cellar conditions
Humidity55%–65% RH with optional freestanding humidifier
Noise LevelAs low as 49.5 dB at 6 ft (2 m)
ConfigurationSelf-contained, through-the-wall, air-cooled, ductless
Exterior RatedNo, interior installation only
FAQ

Frequently Asked Questions About the TTW01B Sentinel

How do I determine the right size Wine Guardian cooling unit for my cellar?

Cellar sizing depends on more than cubic footage. Insulation quality, glass exposure, ambient room temperature, door seals, and lighting heat all affect the cooling load. The TTW01B Sentinel is rated for small to mid-sized cellars, but you should confirm the correct capacity using Wine Guardian's sizing calculator and a qualified professional before purchase.

How does the Wine Guardian TTW01B Sentinel work?

The TTW01B Sentinel is a self-contained, through-the-wall cooling unit. It installs between wall studs, draws heat from inside the cellar, and exhausts it into an adjacent interior room, with no ducting required. Its built-in humidity sensor and condensate evaporator manage moisture, while smart controls let you monitor conditions remotely.

How do I install a Wine Guardian through-the-wall cooling unit?

The TTW01B Sentinel is designed for do-it-yourself installation between standard wall studs, using the included mounting bracket or a wall sleeve. It exhausts heat into an adjacent interior space and is not rated for exterior use. Final placement, electrical, and ventilation requirements should be confirmed with Wine Guardian's documentation and a licensed professional.

How often should a Wine Guardian wine cellar cooling system be serviced?

Routine maintenance helps protect performance and your wine collection. Wine Guardian generally recommends periodic cleaning of coils and filters and an annual check of the system. Always follow the maintenance schedule in your unit's official documentation and consult a qualified HVAC professional for service.

When should I replace my wine cellar cooling system?

Common signs include inability to hold temperature, rising noise or vibration, frequent cycling, or repeated repairs. The TTW01B Sentinel is the current replacement for the discontinued Wine Guardian TTW009 and is a common upgrade path. A qualified professional can confirm whether replacement is the right step for your setup.

Does the Wine Guardian TTW01B Sentinel control humidity?

The TTW01B Sentinel includes a built-in humidity sensor that combines a thermostat and humidistat. Paired with an optional Wine Guardian freestanding humidifier, it helps maintain a relative humidity of 55%-65%, which supports proper long-term wine storage.

Need Help Confirming the Right Wine Guardian Model?

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.

Payment & Security

Payment methods

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📚 Frequently Asked Questions (FAQs)

Cellar sizing depends on more than cubic footage. Insulation quality, glass exposure, ambient room temperature, door seals, and lighting heat all affect the cooling load. The TTW01B Sentinel is rated for small to mid-sized cellars, but you should confirm the correct capacity using Wine Guardian's sizing calculator and a qualified professional before purchase.