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Wine Guardian Freestanding Wine Cellar Humidifier
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The Wine Guardian 99H0185-21 is a freestanding humidifier for wine storage that mounts on the wall of the wine space, runs on its own 115 Volt supply and adds 0.42 to 1.0 lb/hr of moisture to cellar air. It is the model Wine Guardian publishes for a cellar that has no Wine Guardian cooling unit.
A cooling unit is not a humidifier. Wine Guardian states plainly that a cooling unit alone cannot add moisture or humidity to cellar air, so a controller that shows relative humidity reports the condition without correcting it. This humidifier is the piece that corrects it, and it is worth buying only if your cellar actually runs dry.
Because it ships with its own power cord and humidistat, it does not depend on a Wine Guardian cooling unit for power or control. Wine Guardian states it can be installed in a cellar served by another manufacturer's cooling unit, or with no cooling system at all. As an authorized Wine Guardian dealer we sell it with Wine Guardian's own documentation and warranty; final sizing, plumbing and electrical connection should be confirmed with a licensed HVAC professional or qualified contractor.
Wine Guardian considers 50 to 70 percent relative humidity adequate for a cellar, with 60 percent ideal. Below that range corks dry out and wine oxidizes; above it labels and mold become the problem. What the cooling equipment can and cannot do about it is covered in a primer on why cellar humidity matters and what Wine Guardian systems hold.
Watch where a freestanding humidifier sits in the wine space and what it connects to before you decide whether your cellar needs one.
Measure first. Many cellars, particularly below grade and in humid climates, already hold 50 to 70 percent relative humidity without any help, and adding a humidifier to a cellar that is already in range buys a water line, a drain and a maintenance interval for no benefit. The readings and the conditions that decide it are set out in a guide to when a cellar needs a humidifier and when it does not.
Wine Guardian's published guidance is that relative humidity between 50 and 70 percent is adequate, with 60 percent ideal, and that a cooling unit alone cannot add moisture to cellar air. Those two statements set the test: read the cellar's humidity across a full heating season, and buy a humidifier only if the low readings sit under the range. Dry winter air, a well sealed vapour barrier, a fully finished room with no exposed masonry, and a cellar in an arid region are the conditions that usually put a room under it.
The size question belongs to the cooling side, not to the humidifier: Wine Guardian publishes no cellar-volume rating for its humidifiers. If you are still choosing the cooling equipment for the room, the Wine Guardian through-the-wall cooling units are the configuration most often paired with a freestanding humidifier, and cooling units for cellars up to about 1,200 cubic feet are the band in which a freestanding humidifier is the only Wine Guardian humidification route, because no unit in that band accepts an integrated humidifier. A licensed HVAC professional should confirm the pairing for your room.
| Feature | What it means for your cellar |
|---|---|
| Independent 115 Volt power | Wine Guardian lists 115 Volt, single phase, 60 Hz independent operation for the freestanding humidifier, and this model ships with a power cord using a standard USA Type B plug. Nothing is drawn from a cooling unit. |
| Humidistat in the box | Control does not depend on a Wine Guardian cooling unit or its controller, so the humidifier holds a setpoint on its own. |
| Works with any cooling system | Wine Guardian states the freestanding humidifier can be installed even where the cellar is cooled by another manufacturer's unit, or has no cooling system at all. The published exception is the TTW Classic line. |
| Evaporative drip pad | Water saturates a drip pad and clean moisture evaporates into the wine space. The cover is removable and the pad is cleanable in the field. |
| Water supply on top | Wine Guardian locates the water supply connection on the top of the unit, with the drain at the bottom, which drives where the unit can practically be mounted. |
| Insulated against sweating | Wine Guardian describes increased insulation on the redesigned humidifier to prevent sweating in humid environments. |
| Wall mount bracket included | The bracket ships with the unit for on-the-wall or in-the-racking mounting inside the wine space. |
Water wets an evaporative drip pad and a fan moves cellar air across it, so moisture enters the room as vapour rather than as spray. Because the unit sits inside the wine space, the moisture reaches the bottles directly instead of being introduced at a cooling system upstream.
That placement is the reason Wine Guardian points buyers to a freestanding unit when the target is above 60 percent relative humidity: an integrated humidifier adds moisture at the cooling system, and Wine Guardian gives it a suggested maximum of 60 percent RH.
The trade-offs are real. The unit occupies wall or racking space inside the cellar, it needs a water supply line and a drain line, and the drip pad is a consumable. A location that leaves no access for the water line, the drain line, the power cord and service is the wrong location.
| Decision factor | Freestanding, no Wine Guardian unit (99H0185-21) | Freestanding, for use with Wine Guardian units | Integrated 99H0173-20 and 99H0173-30 |
|---|---|---|---|
| Where the moisture enters | Inside the wine space, on the wall or within the racking. | Inside the wine space, on the wall or within the racking. | At the cooling system, into the airstream rather than directly in the wine space. |
| Power and control | 115 Volt of its own, with a power cord and a humidistat in the box. | 24 Volt, powered from the cooling unit through the 2-pin power-control cable; no plug required. | 24 Volt drawn directly from the Wine Guardian cooling unit. |
| Cooling systems it fits | Any cooling system, or a cellar with no cooling system at all. Wine Guardian excludes the TTW Classic line. | Wine Guardian cooling units. Wine Guardian excludes the TTW Classic line. | Ducted and ducted split systems only: D025, DP25, DS025 and SP25 for the 99H0173-20; D050 through D200 and the matching DP, DS and SP models for the 99H0173-30. |
| Practical humidity ceiling | Wine Guardian points buyers to a freestanding unit inside the cellar when the target sits above 60 percent RH. | Wine Guardian points buyers to a freestanding unit inside the cellar when the target sits above 60 percent RH. | Wine Guardian gives a suggested maximum of 60 percent RH. |
Choose the 99H0185-21 when the cellar has no Wine Guardian cooling unit, or when you want the humidifier to run and hold a setpoint independently of whatever cools the room. Choose the freestanding model for use with Wine Guardian units when a Wine Guardian cooling unit is already in place and you would rather power and control the humidifier from it. Choose an integrated Sentinel Series humidifier when the system is ducted or ducted split and a 60 percent RH ceiling is enough. Confirm the match with a licensed HVAC professional or qualified contractor.
FREESTANDINGFreestanding (With Wine Guardian Units)Wall mount, 2-pin power-control cable from the cooling unit.View product
INTEGRATEDSentinel Integrated 99H0173-20Mounts to D025, DP25, DS025 and SP25 systems.View product
INTEGRATEDSentinel Integrated 99H0173-30Mounts to D050 through D200, DP, DS and SP systems.View product
AccessoryHumidifier Drip Pads 54H0010-02View product
Accessory4-Pack Humidifier Drip Pads 94H0022-00View product
AccessoryHumidifier Rebuild Kit 94H0047-00View product
AccessoryHumidifier Solenoid Valve 94H0013-00View product
AccessoryHumidifier Fan Motor 31H0008-02View product
AccessoryRemote Interface Controller 91H0105-01View product
AccessoryRemote Sensor 91H0058-05View product
Our Wine Cellar Specialists can read your cellar's humidity data with you, confirm whether added moisture is needed at all, and match the right Wine Guardian humidifier to your cooling equipment.
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The Wine Guardian 99H0185-21 is a freestanding humidifier for wine storage that mounts on the wall of the wine space, runs on its own 115 Volt supply and adds 0.42 to 1.0 lb/hr of moisture to cellar air. It is the model Wine Guardian publishes for a cellar that has no Wine Guardian cooling unit.
A cooling unit is not a humidifier. Wine Guardian states plainly that a cooling unit alone cannot add moisture or humidity to cellar air, so a controller that shows relative humidity reports the condition without correcting it. This humidifier is the piece that corrects it, and it is worth buying only if your cellar actually runs dry.
Because it ships with its own power cord and humidistat, it does not depend on a Wine Guardian cooling unit for power or control. Wine Guardian states it can be installed in a cellar served by another manufacturer's cooling unit, or with no cooling system at all. As an authorized Wine Guardian dealer we sell it with Wine Guardian's own documentation and warranty; final sizing, plumbing and electrical connection should be confirmed with a licensed HVAC professional or qualified contractor.
Wine Guardian considers 50 to 70 percent relative humidity adequate for a cellar, with 60 percent ideal. Below that range corks dry out and wine oxidizes; above it labels and mold become the problem. What the cooling equipment can and cannot do about it is covered in a primer on why cellar humidity matters and what Wine Guardian systems hold.
Watch where a freestanding humidifier sits in the wine space and what it connects to before you decide whether your cellar needs one.
Measure first. Many cellars, particularly below grade and in humid climates, already hold 50 to 70 percent relative humidity without any help, and adding a humidifier to a cellar that is already in range buys a water line, a drain and a maintenance interval for no benefit. The readings and the conditions that decide it are set out in a guide to when a cellar needs a humidifier and when it does not.
Wine Guardian's published guidance is that relative humidity between 50 and 70 percent is adequate, with 60 percent ideal, and that a cooling unit alone cannot add moisture to cellar air. Those two statements set the test: read the cellar's humidity across a full heating season, and buy a humidifier only if the low readings sit under the range. Dry winter air, a well sealed vapour barrier, a fully finished room with no exposed masonry, and a cellar in an arid region are the conditions that usually put a room under it.
The size question belongs to the cooling side, not to the humidifier: Wine Guardian publishes no cellar-volume rating for its humidifiers. If you are still choosing the cooling equipment for the room, the Wine Guardian through-the-wall cooling units are the configuration most often paired with a freestanding humidifier, and cooling units for cellars up to about 1,200 cubic feet are the band in which a freestanding humidifier is the only Wine Guardian humidification route, because no unit in that band accepts an integrated humidifier. A licensed HVAC professional should confirm the pairing for your room.
| Feature | What it means for your cellar |
|---|---|
| Independent 115 Volt power | Wine Guardian lists 115 Volt, single phase, 60 Hz independent operation for the freestanding humidifier, and this model ships with a power cord using a standard USA Type B plug. Nothing is drawn from a cooling unit. |
| Humidistat in the box | Control does not depend on a Wine Guardian cooling unit or its controller, so the humidifier holds a setpoint on its own. |
| Works with any cooling system | Wine Guardian states the freestanding humidifier can be installed even where the cellar is cooled by another manufacturer's unit, or has no cooling system at all. The published exception is the TTW Classic line. |
| Evaporative drip pad | Water saturates a drip pad and clean moisture evaporates into the wine space. The cover is removable and the pad is cleanable in the field. |
| Water supply on top | Wine Guardian locates the water supply connection on the top of the unit, with the drain at the bottom, which drives where the unit can practically be mounted. |
| Insulated against sweating | Wine Guardian describes increased insulation on the redesigned humidifier to prevent sweating in humid environments. |
| Wall mount bracket included | The bracket ships with the unit for on-the-wall or in-the-racking mounting inside the wine space. |
Water wets an evaporative drip pad and a fan moves cellar air across it, so moisture enters the room as vapour rather than as spray. Because the unit sits inside the wine space, the moisture reaches the bottles directly instead of being introduced at a cooling system upstream.
That placement is the reason Wine Guardian points buyers to a freestanding unit when the target is above 60 percent relative humidity: an integrated humidifier adds moisture at the cooling system, and Wine Guardian gives it a suggested maximum of 60 percent RH.
The trade-offs are real. The unit occupies wall or racking space inside the cellar, it needs a water supply line and a drain line, and the drip pad is a consumable. A location that leaves no access for the water line, the drain line, the power cord and service is the wrong location.
| Decision factor | Freestanding, no Wine Guardian unit (99H0185-21) | Freestanding, for use with Wine Guardian units | Integrated 99H0173-20 and 99H0173-30 |
|---|---|---|---|
| Where the moisture enters | Inside the wine space, on the wall or within the racking. | Inside the wine space, on the wall or within the racking. | At the cooling system, into the airstream rather than directly in the wine space. |
| Power and control | 115 Volt of its own, with a power cord and a humidistat in the box. | 24 Volt, powered from the cooling unit through the 2-pin power-control cable; no plug required. | 24 Volt drawn directly from the Wine Guardian cooling unit. |
| Cooling systems it fits | Any cooling system, or a cellar with no cooling system at all. Wine Guardian excludes the TTW Classic line. | Wine Guardian cooling units. Wine Guardian excludes the TTW Classic line. | Ducted and ducted split systems only: D025, DP25, DS025 and SP25 for the 99H0173-20; D050 through D200 and the matching DP, DS and SP models for the 99H0173-30. |
| Practical humidity ceiling | Wine Guardian points buyers to a freestanding unit inside the cellar when the target sits above 60 percent RH. | Wine Guardian points buyers to a freestanding unit inside the cellar when the target sits above 60 percent RH. | Wine Guardian gives a suggested maximum of 60 percent RH. |
Choose the 99H0185-21 when the cellar has no Wine Guardian cooling unit, or when you want the humidifier to run and hold a setpoint independently of whatever cools the room. Choose the freestanding model for use with Wine Guardian units when a Wine Guardian cooling unit is already in place and you would rather power and control the humidifier from it. Choose an integrated Sentinel Series humidifier when the system is ducted or ducted split and a 60 percent RH ceiling is enough. Confirm the match with a licensed HVAC professional or qualified contractor.
FREESTANDINGFreestanding (With Wine Guardian Units)Wall mount, 2-pin power-control cable from the cooling unit.View productINTEGRATEDSentinel Integrated 99H0173-20Mounts to D025, DP25, DS025 and SP25 systems.View productINTEGRATEDSentinel Integrated 99H0173-30Mounts to D050 through D200, DP, DS and SP systems.View product
AccessoryHumidifier Drip Pads 54H0010-02View productAccessory4-Pack Humidifier Drip Pads 94H0022-00View productAccessoryHumidifier Rebuild Kit 94H0047-00View productAccessoryHumidifier Solenoid Valve 94H0013-00View productAccessoryHumidifier Fan Motor 31H0008-02View productAccessoryRemote Interface Controller 91H0105-01View productAccessoryRemote Sensor 91H0058-05View product
Our Wine Cellar Specialists can read your cellar's humidity data with you, confirm whether added moisture is needed at all, and match the right Wine Guardian humidifier to your cooling equipment.
