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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 TTW02B Sentinel Through-The-Wall Wine Cellar Cooling Unit

Wine Guardian  |  SKU: WGTTW02B00LCS2A0BHF
Regular price $5,099.00 USD
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Description

Sentinel Series · Through-The-Wall

Wine Guardian TTW02B Sentinel Through-The-Wall Wine Cellar Cooling Unit

The Wine Guardian TTW02B Sentinel is a self-contained, through-the-wall wine cellar cooling unit that delivers 1,370–2,600 BTU/h of precise temperature and humidity control for 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 TTW02B 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.

2,650
BTU/h nominal
56.7dB
at 6 ft
42–75°F
cellar range
64lb
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 TTW018

The TTW02B Sentinel is the current-generation replacement for the discontinued Wine Guardian TTW018. If you are upgrading an older mid-sized cellar system, the TTW02B Sentinel is the direct successor, adding a built-in humidity sensor, an internal condensate evaporator, and updated smart controls. A qualified professional can confirm fit for your existing opening and electrical supply.

Who It Is For

Is the TTW02B Sentinel Right for You

Ideal For

Homeowners and collectors with 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 TTW02B Defender), a larger cellar capacity (step up to TTW04B), or a budget unit without humidity sensing (choose the TTW02B Classic).

Key Features

TTW02B 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 56.7 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 TTW02B 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 TTW02B Sentinel measured at six feet, against everyday sounds.

60 dBNormal conversation
56.7 dBTTW02B Sentinel at 6 ft
55 dBElectric toothbrush
50 dBModerate rainfall
45 dBQuiet library
Installation

Installation Requirements

The TTW02B 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

TTW02B Sentinel cooling unit
Mounting bracket
Humidity sensor
Condensate evaporator
Owner's manual, brochure, and spec sheet
Specifications

Full Technical Specs

ModelTTW02B Sentinel
Cooling Capacity1,370–2,600 BTU/h (nominal 2,650 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
Weight64 lbs
Temperature RangeMaintains approximately 55°F–58°F cellar conditions
Humidity55%–65% RH with optional freestanding humidifier
Noise LevelAs low as 56.7 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 TTW02B Sentinel

What size wine cellar does the Wine Guardian TTW02B Sentinel cool?

The TTW02B Sentinel delivers a nominal 2,650 BTU/h at 75°F, sized for mid-sized residential and commercial wine cellars and displays. Because cooling load depends on insulation, glass exposure, and ambient temperature, confirm the right capacity with Wine Guardian's sizing calculator and a qualified professional before purchase.

Does the Wine Guardian TTW02B Sentinel control humidity?

Yes. The TTW02B Sentinel includes a built-in humidity sensor that combines a thermostat and humidistat. Paired with an optional Wine Guardian freestanding humidifier, it helps maintain roughly 55%-65% relative humidity for proper long-term wine storage.

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

The TTW02B 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 quiet is the Wine Guardian TTW02B Sentinel?

The TTW02B Sentinel operates at about 56.7 dBA, helped by its sound reduction foam. That keeps cellar noise low while the self-contained unit maintains temperature and humidity.

What is the difference between the TTW02B Sentinel and the TTW02B Classic?

Both share the same 2,650 BTU/h cooling capacity, but the Sentinel adds a humidity sensor, an internal condensate evaporator, and sound reduction foam. The Classic is a value option without humidity control. Choose Sentinel for integrated temperature and humidity management.

Does the Wine Guardian TTW02B Sentinel need a drain line?

The TTW02B Sentinel includes an internal condensate evaporator that re-evaporates condensate, which often removes the need for a dedicated drain line. Final drainage requirements should be confirmed with Wine Guardian's documentation and a qualified professional.

Need Help Confirming the Right Wine Guardian Model?

Not sure if the TTW02B 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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