5 Signs Your Wine Cooling System Is About to Fail
Don’t wait for a costly surprise. Wine Guardian Dealer breaks down the top 5 signs your wine cooling system may be failing — and how to fix it before damage...
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Wine Guardian TTW01B Sentinel Through-The-Wall Wine Cellar Cooling Unit
Wine Guardian | SKU:
WGTTW01B00LCS2A0BHF
$4,069.00
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Wine Guardian TTW01B Sentinel Through-The-Wall Wine Cellar Cooling Unit is backordered and will ship as soon as it is back in stock.
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Wine Guardian TTW01B Sentinel Through-The-Wall Wine Cellar Cooling ...
$4,069.00
Unit price
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Unavailable
THINKING ABOUT THE PERFECT WINE CELLAR? SAVE TIME AND MONEY—GET EXPERT ADVICE NOW!
Call our Wine Cellar Specialist at 1 (800) 260-1712 for FREE CONSULTATION!
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.
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.
1,440BTU/h @ 75°F
49.5 dBWhisper-Quiet at 6 ft
55–65%Humidity Control (RH)
DIYNo Contractor Required
Wine Guardian TTW01B Sentinel Quick Overview
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.
| Model | Wine Guardian TTW01B Sentinel (60Hz, US/Canada) |
|---|---|
| Cooling Capacity | 830–1,650 BTU/h (nominal 1,440 BTU/h @ 75°F) |
| Best For | Small to mid-sized residential or commercial wine cellars and wine displays |
| Configuration | Self-contained, through-the-wall, air-cooled, ductless |
| Installation | DIY-friendly; mounting bracket included; no licensed contractor required |
| Humidity Control | Built-in humidity sensor; 55%–65% RH with optional freestanding humidifier |
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 the Wine Guardian 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 This Cooling System Is For
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 and Benefits
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.
Fail-Safe Protection
Condensate overflow switch, loss-of-charge switch, and auto-reset high-pressure switch safeguard your collection.
Precise Temperature Control
Maintains cellar temperatures from 42°F (6°C) to 75°F (24°C) while minimizing the fluctuations that harm your collection.
DIY Installation
Slides through a wall sleeve or mounts to your studs. A licensed contractor is not required for installation.
Eco-Friendly Refrigerant
Uses a non-flammable refrigerant with a low global warming potential, meeting current US environmental regulations.
How Quiet Is It?
60 dB
Normal conversation
55 dB
Electric toothbrush
49.5 dB
TTW01B Sentinel at 6 ft
45 dB
Moderate rainfall
40 dB
Quiet library
Fail-Safe Protections
Prevents Water Damage
A condensate overflow switch shuts the unit off automatically before any leak can cause water damage.
Condensate Overflow SwitchProtects the Compressor
A loss-of-charge switch shuts the system down to protect the compressor from damage.
Loss-of-Charge SwitchAvoids Downtime
An auto-reset high-pressure switch keeps the system running reliably with no manual resets.
Auto-Reset High-Pressure SwitchSee 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 (800) 260-1712.
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
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.
What's Included
TTW01B Sentinel cooling unit
Mounting bracket
Humidity sensor
Condensate evaporator
Owner's manual, brochure, and spec sheet
Product Specifications
| Model | TTW01B Sentinel |
|---|---|
| Cooling Capacity | 830–1,650 BTU/h (nominal 1,440 BTU/h @ 75°F / 24°C) |
| Line Frequency | 60Hz (USA, Canada, and most of Central & South America) |
| Plug Type | Standard USA Type B |
| Dimensions | 27.6 × 14.1 × 15.75 in |
| Weight | 58 lbs |
| Temperature Range | Maintains approximately 55°F–58°F cellar conditions |
| Humidity | 55%–65% RH with optional freestanding humidifier |
| Noise Level | As low as 49.5 dB at 6 ft (2 m) |
| Configuration | Self-contained, through-the-wall, air-cooled, ductless |
| Exterior Rated | No, interior installation only |
Documents and Resources
Optional Accessories
Related Wine Guardian Models
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.
Call (800) 260-1712 for Free Expert Consultation📚 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.
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.
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.
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.
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.
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.
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