Wine Guardian TTW02B Classic Through-The-Wall Wine Cellar Cooling Unit
Self-contained through-the-wall unit for an interior wall: 2,650 BTU/h at 75°F, 120 V plug-in, temperature control with a drain line
- All three TTW02B trims are published at the same nominal 2,650 BTU/h at 75°F, so capacity is not what separates them.
- Wine Guardian states the TTW02B Classic is not rated for exterior use and should be installed in an interior through-the-wall application only.
- Wine Guardian states the TTW02B Classic is not compatible with humidifiers, and the trim carries no humidity sensor, so it controls temperature only.
- A 120 V outlet for the standard Type B plug
- 58.0 dBA at six feet sits just under normal conversation, and it is the loudest of the three TTW02B trims: Wine Guardian publishes 58.0 dBA for the Classic against 56.7 dBA for the Sentinel and 54.0 dBA for the Defender.
Wine Guardian TTW02B Classic Through-The-Wall Wine Cellar Cooling Unit is backordered and will ship as soon as it is back in stock.
- Authorized Wine Guardian dealer
- 25 month parts warranty
- 30-day returns, unopened
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Wine Guardian TTW02B Classic Through-The-Wall Wine Cellar Cooling Unit is backordered and will ship as soon as it is back in stock.
Wine Guardian TTW02B Classic: 2,650 BTU/h at 75°F of Temperature-Only Cooling for an Interior Wall
The Wine Guardian TTW02B Classic is a self-contained, ductless through-the-wall wine cellar cooling unit that Wine Guardian publishes at 2,650 BTU/h at 75°F, and it controls cellar temperature only. It mounts through an interior wall, runs on a standard 120V outlet, and carries Bluetooth and NFC controls, an eco-friendly refrigerant, and a coated evaporator coil.
The TTW02B Classic is the base trim of Wine Guardian's redesigned Through-the-Wall B series, sitting below the TTW02B Sentinel and the exterior-rated TTW02B Defender. All three share the same cooling capacity. What separates the Classic is what it leaves out: it has no humidity sensor, Wine Guardian states it is not compatible with humidifiers, and it is not rated for exterior use. It is also the loudest of the three at 58.0 dBA and the lowest-priced.
As an authorized Wine Guardian dealer, Wine Guardian Dealer offers the full Through-the-Wall B series with expert selection support. Wine Guardian manufactures these units, and warranty, returns and service run through Wine Guardian.
See the Wine Guardian TTW02B Classic in Action
Watch How the Through-the-Wall Platform Works
See the Wine Guardian Through-the-Wall platform in action, then read the trim notes below for what the Classic does and does not include.
- Through-the-wall installation, no ductwork
- Bluetooth and NFC controls on every trim
- Classic trim controls temperature only, with no humidity sensor
Questions about fit? Call our specialists at (800) 260-1712.
The TTW02B chassis is the current-generation successor to the discontinued Wine Guardian TTW018. Wine Guardian's own TTW018 listing points to the TTW02B Sentinel, and the TTW02B Classic is that same chassis and that same capacity at the temperature-only trim level, so it is the direct successor for a TTW018 owner who never used humidity control. A qualified professional can confirm fit for your existing opening and electrical supply.
Is the Wine Guardian TTW02B Classic Right for You
The Wine Guardian TTW02B Classic covers cellars up to about 1,200 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 TTW02B as the replacement for the TTW018, which it rates at 100 to 1,200 cubic feet.
Glass walls, a warm adjacent room, poor insulation or a high ambient temperature all pull the usable volume down, sometimes sharply. Treat the figure above as a starting point for the conversation, not a specification. What the walls are built from is the part most often underestimated: what R-values and insulation materials do to a cellar cooling load sets out how much a weak envelope costs in capacity.
✓ Ideal For
Mid-sized wine rooms, wine walls and displays on an interior wall, where the collector wants precise temperature control at the lowest price in the TTW02B family. It suits do-it-yourself installation between standard wall studs and a cellar that already holds humidity acceptably on its own.
× Consider Another Model If
You want a humidity sensor, which means the TTW02B Sentinel; you need the unit in an exterior wall or a cold space, which means the TTW02B Defender; or you need a different capacity, which means the TTW01B Classic below it or the TTW04B Classic above it.
Wine Guardian TTW02B Classic Key Features
The TTW02B Classic carries the shared Through-the-Wall B series feature set with temperature control only, and without the humidity sensor fitted to the Sentinel and Defender trims.
| Feature | What it means for your cellar |
|---|---|
| Temperature Control Only | Holds a cellar set point anywhere from 42°F to 75°F. That is the range Wine Guardian's Through-the-Wall Installation and Operation Manual gives for the temperature set point, and the same range Wine Guardian's Through-the-Wall line page says the TTW consistently achieves. Wine Guardian's separate, optional Serving Temperature package is the one it describes as “an extended temperature range from 42°F to 64°F,” intended for consumption-temperature cooling; that is a different specification, not this unit's set-point range. There is no humidity sensor, so humidity is whatever the room and its vapor barrier deliver. |
| Do-It-Yourself Installation | Slides through a wall sleeve or mounts to standard wall studs. Wine Guardian lists the installation level as Do-It-Yourself; a licensed electrician confirms the circuit and a contractor any structural wall work. |
| Coated Evaporator Coil | A corrosion-resistant coated evaporator coil supports durable, reliable long-term performance in a damp cellar. |
| Eco-Friendly Refrigerant | Uses a non-flammable, low global-warming-potential refrigerant meeting current US environmental standards. |
| Bluetooth and NFC Controls | Monitor and adjust the set point from a smart device without opening the cellar door. |
| 120V Plug-In Power | Runs on a standard USA Type B plug at 120/1/60, so no dedicated hard-wired circuit design is needed for the unit itself. |
| Not Humidifier Compatible | Wine Guardian states the TTW02B Classic is not compatible with humidifiers, so any humidification the room needs must be handled separately from this unit. |
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.
How Quiet Is the Wine Guardian TTW02B Classic
Wine Guardian rates the TTW02B Classic at 58.0 dBA, measured at six feet. That is just under normal conversation and is the loudest of the three TTW02B trims: Wine Guardian publishes 58.0 dBA for the Classic against 56.7 dBA for the Sentinel and 54.0 dBA for the Defender. Below, that figure sits against everyday sounds.
Because the evaporator side faces the cellar, the practical question is what sits on the other side of the wall. A utility room, garage or closet absorbs the condenser noise. A living room, bedroom or dining room does not.
Installing the Wine Guardian TTW02B Classic
The TTW02B Classic installs through an interior wall between standard wall studs, supported by a wall sleeve or the included mounting bracket, and exhausts heat into an adjacent ventilated interior space. Wine Guardian does not rate the Classic for exterior use, so both the wall opening and the space receiving the exhaust must be interior. For what the wall itself needs, a step-by-step walkthrough of a through-the-wall cooling unit installation covers the framing, the sleeve and the seal around the chassis.
Wine Guardian TTW02B Classic Specifications
Every figure below is Wine Guardian's published specification for the TTW02B Classic trim.
Compatible Add-Ons
Wall Sleeve and Hardware
Remote Interface Controller
Exhaust Duct Collar
The Classic trim has no humidity sensor, so a wine cellar humidifier is not an option on this unit; that pairing belongs to the Sentinel and Defender trims. Browse all parts and accessories, or explore related ducted and ductless split systems.
How the Wine Guardian TTW02B Classic Compares to the Sentinel and Defender
All three TTW02B trims are published at the same nominal 2,650 BTU/h at 75°F, so capacity is not what separates them. The four factors below are.
| Decision factor | TTW02B Classic | TTW02B Sentinel | TTW02B Defender |
|---|---|---|---|
| Humidity control | Not included, no humidity sensor | Humidity sensor included | Humidity sensor included |
| Sound at 6 ft | 58.0 dBA | 56.7 dBA | 54.0 dBA |
| Condensate handling | Not published by Wine Guardian | Not published by Wine Guardian | Not published by Wine Guardian |
| Exterior wall and heating | Interior wall only, no heater | Interior wall only, no heater | Exterior wall package and electric heater available |
- Choose the TTW02B Classic if the cellar sits on an interior wall and you want the same 2,650 BTU/h at 75°F at the lowest price of the three trims.
- Choose the TTW02B Sentinel if you want a humidity sensor.
- Choose the TTW02B Defender if the unit must sit in an exterior wall or run in a cold space.
Not ideal for: an exterior wall or a cold space, a cellar that needs active humidity control on the same unit, or a bedroom-adjacent wall where the extra 4 dBA over the Defender will be noticed.
Related TTW02B and Classic Models
Still narrowing the configuration? Browse every Wine Guardian through-the-wall wine cellar cooling unit, or step back to all wine cellar cooling units. Sizing by room instead? Compare cooling units for cellars up to 1,200 cubic feet across every configuration. 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 TTW02B Classic Questions
Is it a mistake to buy the TTW02B Classic without a humidity sensor?
Not if the cellar already holds humidity on its own. A well-sealed cellar with a proper vapor barrier and no outside air infiltration usually stays inside the acceptable range without active humidity control, and the Classic simply does not intervene either way. If the room is above grade, dry in winter, or has a history of corks drying out, the humidity sensor on the TTW02B Sentinel is worth the step up. A licensed HVAC professional should confirm which applies to your room.
Can I connect a humidifier to the Wine Guardian TTW02B Classic?
No. Wine Guardian states the TTW02B Classic is not compatible with humidifiers, and the trim carries no humidity sensor, so it controls temperature only. If you want humidity control managed by the cooling unit itself, the TTW02B Sentinel adds the humidity sensor. Where a room genuinely runs dry, the alternative is a separate standalone humidifier plus a review of the cellar's vapor barrier and air sealing by a licensed HVAC professional or qualified contractor.
Which TTW02B trim should I buy: Classic, Sentinel, or Defender?
All three deliver the same nominal 2,650 BTU/h at 75°F, so the choice is about what surrounds the unit rather than capacity. Choose the Classic for an interior wall and temperature-only control at the lowest price; the Sentinel when you want a humidity sensor; the Defender when the unit must sit in an exterior wall or run in a cold space, where its exterior wall package and electric heater apply.
Is 58.0 dBA loud for a wine cellar cooling unit?
58.0 dBA at six feet sits just under normal conversation, and it is the loudest of the three TTW02B trims: Wine Guardian publishes 58.0 dBA for the Classic against 56.7 dBA for the Sentinel and 54.0 dBA for the Defender. In practice the number matters less than the wall it sits in: venting into a garage, utility room or closet makes it a non-issue, while a shared wall with a bedroom or dining room does not. The TTW02B Defender is 4 dBA quieter at 54.0 dBA if the location is sensitive.
How many cubic feet will the Wine Guardian TTW02B Classic cool?
The Wine Guardian TTW02B Classic covers cellars up to about 1,200 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 TTW02B as the replacement for the TTW018, which it rates at 100 to 1,200 cubic feet. Glass, poor insulation or a warm adjacent room reduce that figure, so confirm final sizing with a licensed HVAC professional.
Can the Wine Guardian TTW02B Classic be installed in an exterior wall?
No. Wine Guardian states the TTW02B Classic is not rated for exterior use and should be installed in an interior through-the-wall application only. It exhausts heat into an adjacent ventilated interior space. For an exterior wall or a cold ambient location, the TTW02B Defender is the trim with the exterior wall package and electric heater.
Does the Wine Guardian TTW02B Classic replace the TTW018?
The TTW02B chassis is the current-generation successor to the discontinued TTW018, and Wine Guardian's own TTW018 listing points specifically to the TTW02B Sentinel. The TTW02B Classic is that same chassis at the temperature-only trim level, so it is the direct successor for a TTW018 owner who never used humidity control. Confirm fit for the existing wall opening and electrical supply with a qualified contractor before ordering.
Need Help Confirming the Right Wine Guardian Model?
Not sure whether the TTW02B Classic is sized correctly for your cellar, or whether you need the Sentinel's humidity sensor? Our Wine Cellar Specialists can confirm the right capacity and trim for your space.
Why this model
TTW02B Classic Through-The-Wall key features
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2,650 BTU/h of cooling
Rated at 75°F condenser air; 2,040 BTU/h at 90°F.
-
Temperature control only
A temperature sensor, with no humidity sensor and no humidifier connection.
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Drain line, field drain kit supplied
Condensate runs out by a drain line to a floor drain or condensate pump.
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Fits between standard wall studs
Opening up to 14½ x 16¼ in, stud to stud, in an interior wall.
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Mounting flanges on the unit
Mounts without the EasyMount sleeve, which is sold separately.
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58.0 dBA at 6 ft
Cellar side, measured six feet from the supply air grille.
Not sure the Wine Guardian TTW02B Classic Through-The-Wall Wine Cellar Cooling Unit is the right size? Enter your room size, insulation and glass to see your cellar's cooling load in BTU/h.
Open the Wine Guardian cooling calculatorSee it in action
See the TTW02B Classic Through-The-Wall in action
Wine Guardian TTW Features and Benefits
Wine Guardian Through-the-Wall Installation Guide
Wine Guardian Through-the-Wall Installation, previous generation
Parts for a working install are ordered separately.
See the complete systemComplete system
Complete the TTW02B Classic Through-The-Wall system
Sold separately. Tick what you need — it goes into the cart with the unit.
- 2,650 BTU/h at 75°F
- 120 V plug-in
- 64 lb
SKU: WGTTW02B00SCC1A0000
After you buy
Warranty, returns and help
Wine Guardian warranty: 25 months parts
Warranty service is handled directly by Wine Guardian. We help you find your model, serial number and purchase documents. Standard: 25 months parts and 13 months labor from the original invoice date. Platinum (optional upgrade): 25 months parts and labor, plus the compressor, evaporator coil and condenser coil covered for 61 months (parts only).
Ask us for a free copy of the warranty before you buy.
Free cancellation for 24 hours
Cancel free within 24 hours of placing your order, custom and made-to-order items included: your card is not charged. After 24 hours and before the order ships, a standard order can still be cancelled for 3%, the card-processing fee the payment processor keeps on a refunded payment. Custom and made-to-order items go into production after 24 hours and cannot be cancelled.
30-day returns, unopened
Return an unopened, uninstalled item within 30 days of delivery for a refund or store credit. Contact us first: ship nothing back until we send you an RMA number with the return instructions. A 25% restocking fee applies to returns and exchanges; there is no fee when an item arrives damaged, is defective or the wrong item was sent.
Questions? 1 (800) 260-1712Monday to Friday, 9AM to 9PM EST
Frequently asked questions
TTW02B Classic Through-The-Wall questions
Is it a mistake to buy the TTW02B Classic without a humidity sensor?
Not if the cellar already holds humidity on its own. A well-sealed cellar with a proper vapor barrier and no outside air infiltration usually stays inside the acceptable range without active humidity control, and the Classic simply does not intervene either way. If the room is above grade, dry in winter, or has a history of corks drying out, the humidity sensor on the TTW02B Sentinel is worth the step up. A licensed HVAC professional should confirm which applies to your room.
Can I connect a humidifier to the Wine Guardian TTW02B Classic?
No. Wine Guardian states the TTW02B Classic is not compatible with humidifiers, and the trim carries no humidity sensor, so it controls temperature only. If you want humidity control managed by the cooling unit itself, the TTW02B Sentinel adds the humidity sensor. Where a room genuinely runs dry, the alternative is a separate standalone humidifier plus a review of the cellar's vapor barrier and air sealing by a licensed HVAC professional or qualified contractor.
Which TTW02B trim should I buy: Classic, Sentinel, or Defender?
All three deliver the same nominal 2,650 BTU/h at 75°F, so the choice is about what surrounds the unit rather than capacity. Choose the Classic for an interior wall and temperature-only control at the lowest price; the Sentinel when you want a humidity sensor; the Defender when the unit must sit in an exterior wall or run in a cold space, where its exterior wall package and electric heater apply.
Is 58.0 dBA loud for a wine cellar cooling unit?
58.0 dBA at six feet sits just under normal conversation, and it is the loudest of the three TTW02B trims: Wine Guardian publishes 58.0 dBA for the Classic against 56.7 dBA for the Sentinel and 54.0 dBA for the Defender. In practice the number matters less than the wall it sits in: venting into a garage, utility room or closet makes it a non-issue, while a shared wall with a bedroom or dining room does not. The TTW02B Defender is 4 dBA quieter at 54.0 dBA if the location is sensitive.
How many cubic feet will the Wine Guardian TTW02B Classic cool?
The Wine Guardian TTW02B Classic covers cellars up to about 1,200 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 TTW02B as the replacement for the TTW018, which it rates at 100 to 1,200 cubic feet. Glass, poor insulation or a warm adjacent room reduce that figure, so confirm final sizing with a licensed HVAC professional.
Can the Wine Guardian TTW02B Classic be installed in an exterior wall?
No. Wine Guardian states the TTW02B Classic is not rated for exterior use and should be installed in an interior through-the-wall application only. It exhausts heat into an adjacent ventilated interior space. For an exterior wall or a cold ambient location, the TTW02B Defender is the trim with the exterior wall package and electric heater.
Does the Wine Guardian TTW02B Classic replace the TTW018?
The TTW02B chassis is the current-generation successor to the discontinued TTW018, and Wine Guardian's own TTW018 listing points specifically to the TTW02B Sentinel. The TTW02B Classic is that same chassis at the temperature-only trim level, so it is the direct successor for a TTW018 owner who never used humidity control. Confirm fit for the existing wall opening and electrical supply with a qualified contractor before ordering.
Find the Right System for Your Cellar
Compare the range or talk to us about sizing. Final sizing, electrical and installation should be confirmed with the manufacturer's documentation and a licensed HVAC professional.
