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

Defender Series · Through-The-Wall Wine Guardian TTW02B Defender Through-The-Wall Wine Cellar Cooling Unit The Wine Guardian TTW02B Defender is the top-tier, self-contained through-the-wall cooling unit, delivering a nominal 2,650 BTU/h at 75°F for small wine cellars and displays in the most demanding environments. It pairs precise temperature and humidity control with an Exterior Wall Package, Electric Heater, and the Ultra Quiet Package for whisper-quiet operation as low as 54.0 dBA. The TTW02B Defender is the flagship of Wine Guardian's redesigned Through-the-Wall (TTW) line, sitting above the Sentinel and Classic. It delivers the same precise cooling on the TTW platform but adds every available feature, making it the choice for collectors who need reliable conditions in challenging or variable environments. Explore the complete Through-the-Wall collection to compare configurations. As an authorized Wine Guardian dealer, Wine Guardian Dealer offers the full TTW Defender line with expert selection support, so you can confirm the right capacity and configuration for your space before you buy. 2,650 BTU/h nominal 54.0dB at 6 ft 0–125°F ambient rated 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. Download the Wine Guardian Through-the-Wall Product Brochure Replaces TTW018 The TTW02B Defender is the current-generation replacement for the discontinued Wine Guardian TTW018. If you are servicing or upgrading an older small-cellar system, the TTW02B Defender is the direct, feature-complete successor, with updated controls, an eco-friendly refrigerant, and the full Defender feature set. A qualified professional can confirm fit for your existing opening and electrical supply. Who It Is For Is the TTW02B Defender Right for You ✓ Ideal For Collectors and trade buyers with small wine rooms or displays in demanding settings, including exterior walls, garages, or spaces with wide temperature swings, who want full temperature and humidity control, heating, and the quietest TTW operation available. × Consider Another Model If You do not need exterior-wall rating, heating, or the Ultra Quiet Package (choose the TTW02B Sentinel), you want the value temperature-only option (choose the TTW02B Classic), or you need a different cellar capacity (step up to the TTW04B Defender or down to the TTW01B Defender). Key Features TTW02B Defender Features and Benefits Feature What it means for your cellar Whisper-Quiet + Ultra Quiet Package Operates as low as 54.0 dB at 6 feet (2 m), the quietest in its capacity class, with sound reduction foam plus added grille dampening. Precise Temperature Control Holds cellar temperatures from 42°F to 75°F while minimizing the fluctuations that harm wine. Humidity Sensor Combined thermostat and humidistat allows seamless connection of a Wine Guardian humidifier for proper humidity. Condensate Evaporator Internal re-evaporation system manages condensate to prevent leakage, often without a dedicated drain line. Exterior Wall Package Exterior grille and coated condenser coil rated for 0°F to 125°F ambient conditions. Electric Heater Built-in heating coil warms cellar air when the temperature drops below the set point in cold spaces. 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 Defender in Action Watch How It Works See the Wine Guardian Through-the-Wall system in action and how its smart, self-contained design protects your collection. Through-the-wall installation, no ductwork Exterior-rated with heater and humidity control Quietest operation in its class with the Ultra Quiet Package Questions about fit? Call our specialists at 888-407-7770. Whisper-Quiet How Quiet Is It The TTW02B Defender measured at six feet, against everyday sounds. 60 dBNormal conversation 55 dBElectric toothbrush 54.0 dBTTW02B Defender at 6 ft 50 dBModerate rainfall 45 dBQuiet library Installation Installation Requirements The TTW02B Defender 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. With the Exterior Wall Package it can exhaust through an exterior wall in rated outdoor conditions. Installs through an interior or exterior-rated wall Mounting bracket included; wall sleeve available separately Internal condensate evaporator often eliminates a drain line Standard USA Type B plug; 60Hz power (US/Canada) 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 Defender cooling unit Mounting bracket Owner's manual, brochure, and spec sheet Resources Documents and Resources Through-the-Wall Product BrochurePDF Through-the-Wall Specifications SheetPDF Quick Start Installation GuidePDF Installation and Operation ManualPDF Standard WarrantyPDF Platinum WarrantyPDF Specifications Full Technical Specs ModelTTW02B Defender Cooling Capacity1,370–2,600 BTU/h (nominal 2,650 BTU/h @ 75°F) Line Frequency60Hz (USA, Canada, and most of Central & South America) Power424 W, FLA 6.5 A, MCA 7.6 A, 120V, single phase Plug TypeStandard USA Type B (NEMA 5-15) Dimensions33.8 × 14.1 × 15.75 in Weight64 lbs Temperature RangeMaintains cellar conditions from 42°F to 75°F Ambient Range0°F to 125°F with Exterior Wall Package CondensateInternal condensate re-evaporator (no drain line typically required) RefrigerantNon-flammable, low global warming potential Noise LevelAs low as 54.0 dB at 6 ft (2 m) ConfigurationSelf-contained, through-the-wall, air-cooled, ductless Exterior RatedYes, with Exterior Wall Package Optional Accessories Compatible Add-Ons Wall Sleeve and Hardware 94H0054-00 Remote Interface Controller 91H0105-01 Exhaust Duct Collar 19H0018-00 Wine Cellar Humidifier 99H0174-21 Also available: Exhaust Duct Collar (19H0018-00) and Duct Collar Kit (94H0010-00). Browse all parts and accessories, or explore related ducted and ductless split systems. Related Models Compare Across the Line TTW02B Sentinel→ TTW02B Classic→ TTW04B Defender→ Browse the full Through-the-Wall range or all wine cellar cooling units. FAQ Frequently Asked Questions About the TTW02B Defender How do I determine the size of a wine cellar cooling unit? Sizing depends on cellar volume, insulation quality, glass exposure, ambient temperature, and door seals, not square footage alone. The TTW02B Defender is rated at a nominal 2,650 BTU/h at 75°F. Confirm the correct capacity with Wine Guardian's sizing calculator and a qualified HVAC professional before purchase. How do I install the Wine Guardian TTW02B Defender? The TTW02B Defender is built for do-it-yourself through-the-wall installation between studs using a wall sleeve or mounting bracket. With its Exterior Wall Package it can exhaust to an outdoor-rated wall. Confirm final placement, electrical, and ventilation with a licensed professional. How quiet is the Wine Guardian TTW02B Defender? The TTW02B Defender operates at about 54.0 dBA at 6 feet, the quietest option in its capacity class. It combines internal sound reduction foam with the Ultra Quiet Package for extra noise dampening around the grilles. Does the Wine Guardian TTW02B Defender control humidity? Yes. The TTW02B Defender includes a humidity sensor that combines a thermostat and humidistat, allowing a Wine Guardian freestanding humidifier to be connected to help maintain roughly 55 to 65 percent relative humidity for long-term storage. What makes the TTW02B Defender different from the Sentinel and Classic? The Defender is the top-tier Through-the-Wall series. On top of the Sentinel's humidity sensor and condensate evaporator, it adds an Electric Heater, the Exterior Wall Package (coated condenser coil rated for 0 to 125°F ambient), and the Ultra Quiet Package. How often should a wine cellar cooling system be serviced? Plan on periodic cleaning of the coils and filter plus an annual inspection. Always follow the maintenance schedule in your unit's documentation and use a qualified HVAC professional for service to protect both performance and your collection. When should I replace my wine cellar cooling system? Common signs include an inability to hold temperature, rising noise or vibration, short-cycling, or repeated repairs. The TTW02B Defender is the current replacement for the discontinued Wine Guardian TTW018 and is a common upgrade path for demanding environments. Need Help Confirming the Right Wine Guardian Model? Not sure if the TTW02B Defender is sized correctly for your cellar? Our Wine Cellar Specialists can confirm the right capacity and configuration for your space. Browse All Through-the-Wall Units Contact Us