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WhisperKOOL Extreme 3500ti Self-Contained Cooling Unit
is backordered and will ship as soon as it is back in stock.
In Stock & Ready to Ship
Estimated Delivery in 3-7 business days
Self-Contained Wine Cellar Cooling System
WhisperKOOL Extreme 3500ti Self-Contained Wine Cellar Cooling Unit
Through-the-wall, self-contained wine cellar cooling for properly insulated wine cellars up to approximately 800 cubic feet, with 3,175 BTU/h capacity, bottle-probe temperature sensing, and high-temperature condenser intake performance up to 110°F.
Designed for wine cellars up to 800 cu. ft.
3,175 BTU/h cooling capacity
Through-the-wall self-contained installation
Can maintain 55°F cellar temperature with up to 110°F condenser air intake
Advanced digital controller with bottle probe
115V power; dedicated 20 amp circuit required
Product Overview
The WhisperKOOL Extreme 3500ti is a powerful self-contained wine cellar cooling unit for homeowners and collectors who need dependable temperature control without the added complexity of a split system. It is designed for through-the-wall installation and is best suited for properly prepared residential wine cellars, wine rooms, and dedicated storage spaces up to 800 cubic feet.
This model is part of WhisperKOOL’s Extreme Series, built for demanding installations where the condenser side may experience higher ambient temperatures. When installed in a sealed, insulated wine cellar with a proper vapor barrier, the Extreme 3500ti can maintain a 55°F cellar temperature with condenser air intake temperatures up to 110°F.
The unit includes an advanced digital controller on the face of the system, a liquid-temperature-measuring bottle probe, a 3-speed fan switch, and partial ducting capability. For installations that require the controller outside the wine cellar, consider the WhisperKOOL Extreme 3500tiR.
Quick Answer Summary
Cooling System Type
Self-contained wine cellar cooling unit
Installation Style
Through-the-wall, partially ductable
Recommended Cellar Size
Up to approximately 800 cu. ft.
Cooling Capacity
3,175 BTU/h at 85°F condenser air intake temperature
Voltage
115V
Electrical Requirement
Dedicated 20 amp circuit required
Controller
Front-mounted advanced digital controller
Temperature Probe
Liquid-temperature-measuring bottle probe
Temperature Delta
Can maintain 55°F cellar temperature with up to 110°F condenser air intake
Best For
Residential wine cellars, dedicated home wine rooms, retrofit projects, and collectors who want a self-contained system
Recommended For
Residential wine cellars up to 800 cubic feet
Dedicated home wine rooms
Through-the-wall cooling installations
Collectors who want a self-contained system
Retrofit wine cellar projects
Wine cellars exposed to higher condenser intake temperatures
Projects where simple installation is preferred over split-system complexity
Not Recommended For
Wine cellars larger than 800 cubic feet
Rooms without proper insulation or vapor barrier
Open-concept wine displays
Cellars with excessive glass, stone, or concrete heat load without sizing review
Projects requiring long-distance ducting
Installations where a remote display is required unless upgrading to the tiR model
Exterior wall installation: If this unit will be installed through an exterior wall, an exterior grille is highly recommended to protect the exhaust side of the system from weather exposure, outdoor debris, and external elements.
Interior wall installation: If this unit will be installed through an interior wall, a condenser ducting plenum kit may be required to redirect hot exhaust air to another area.
Cellar preparation: WhisperKOOL wine cooling units work best in a properly insulated, sealed wine cellar with a continuous vapor barrier. Heat load calculations are recommended before selecting a cooling system.
Free Wine Cellar Design Assistance
Need help confirming if the Extreme 3500ti is the right fit? Wine Coolers Empire can review cellar size, insulation, glass exposure, ambient conditions, and installation requirements before purchase.
The Extreme 3500ti includes a front-mounted digital controller with Advanced System Protection. The controller alerts you when specific operating parameters are not met.
Liquid-Temperature Bottle Probe
The included bottle probe measures liquid temperature instead of only ambient cellar air temperature, giving a more accurate reflection of actual wine storage conditions.
3-Speed Fan Switch
The built-in 3-speed fan switch allows airflow adjustment directly from the front of the unit for improved control over cellar conditions.
Exterior Grille Compatibility
When installed through an exterior wall, the compatible WhisperKOOL exterior grille helps protect the exhaust side of the system from outdoor elements.
High-Ambient Performance
Designed to maintain a 55°F cellar temperature with condenser air intake temperatures up to 110°F when properly installed.
Partial Ducting Capability
Compatible ducting accessories can help redirect hot exhaust air or improve installation flexibility when required by the cellar layout.
Advantages and Limitations
Advantages
Limitations
Self-contained through-the-wall design simplifies installation compared with split systems.
Not suitable for wine cellars larger than 800 cu. ft. without professional sizing review.
Can maintain 55°F cellar temperature with condenser intake temperatures up to 110°F.
Requires a sealed, insulated cellar with a proper vapor barrier.
Includes bottle probe for more accurate wine temperature monitoring.
Drain line tubing is required but not provided.
Partial ducting options provide added installation flexibility.
Exterior wall installations should use an exterior grille for protection.
Advanced digital controller provides system alerts and operating protection.
Front-mounted controller requires entering the cellar to view or adjust settings unless upgrading to the tiR model.
Technical Specifications
Model
Extreme 3500ti
Cellar Size
800 cu. ft.
BTU/h
3,175 BTU/h at 85°F condenser air intake temperature
Dimensions
28" L x 14.25" W x 15.75" H
Refrigerant
R-134a
Weight
115 lbs
Horsepower
1/4 HP
Voltage Rating
115V; dedicated 20 amp circuit required
Running Amps
4.2 amps
Drain Line
1/2" ID clear plastic tubing required; not provided
Installation
Through-the-wall, partially ducted
Thermostat
Advanced digital controller with liquid-temperature-measuring bottle probe and retractable cable
Temperature Delta
Can maintain a 55°F cellar temperature with up to 110°F condenser air intake temperature
Outside Venting
Can be done if outside temperature does not exceed 110°F; exterior grille is highly recommended
Ducting Options
Condensing side can be ducted
Warranty
2-year limited parts and labor warranty; 5-year limited compressor warranty
BTU/h and Sizing Guidance
The WhisperKOOL Extreme 3500ti provides an estimated 3,175 BTU/h of cooling capacity. This value is useful for comparison, but it is not a guarantee that the unit will be correct for every 800 cu. ft. wine cellar.
Wine cellar performance depends on insulation, vapor barrier quality, door sealing, glass exposure, stone or concrete surfaces, ceiling height, ambient room temperature, and usage patterns. A cellar with a high heat load may require a larger system even if the room volume appears to fall within the listed capacity.
Wine Coolers Empire sizing note: Choosing an undersized cooling system can prevent the cellar from reaching proper storage temperature and may shorten equipment life. Contact our team for free wine cellar design and cooling system guidance before ordering.
WhisperKOOL Extreme ti vs tiR
The WhisperKOOL Extreme ti and Extreme tiR systems are both self-contained, through-the-wall wine cellar cooling units. The main difference is the controller location.
Model Type
Controller Location
Best For
Extreme ti
Controller and display are mounted on the front face of the cooling unit.
Cellars where adjusting the temperature from inside the cellar is acceptable.
Extreme tiR
Includes KDT Plus remote controller and thermostat.
Projects where the controller should be placed outside the wine cellar.
These accessories can help protect the unit, improve installation flexibility, or adapt the Extreme 3500ti to specific cellar conditions.
WhisperKOOL Extreme Exterior Grille
The WhisperKOOL Extreme Exterior Grille protects the system’s exhaust side from outdoor elements when the cooling unit is installed through an exterior wall.
WhisperKOOL Ducting Plenum for Extreme Series
The ducting plenum allows more installation flexibility by enabling ducting on compatible WhisperKOOL Extreme ti and tiR systems.
Condenser Coil Coating
Condenser coil coating helps protect the condenser coil from salt air exposure, especially in coastal or beach-area installations.
Wine Coolers Empire is a trusted dealer of specialty wine cellar air conditioners, commercial wine cellar refrigeration units, residential wine cellar coolers, and wine storage equipment. Our team helps customers choose the correct cooling system based on cellar size, insulation quality, installation type, and long-term storage goals.
Read more customer feedback on our Customer Reviews page, or review our Shipping Policy for order processing, shipping options, and delivery information.
Wine Coolers Empire Expert Recommendation
We recommend the WhisperKOOL Extreme 3500ti for properly insulated residential wine cellars up to 800 cubic feet where through-the-wall installation is preferred. It is a strong choice for homeowners and collectors who want a dependable self-contained system without the complexity of a split cooling system.
For larger cellars, review the Extreme 5000ti or Extreme 8000ti. For projects requiring a controller outside the wine cellar, choose the Extreme 3500tiR with remote controller.
Need Help Choosing the Right Wine Cellar Cooling Unit?
Choosing the correct wine cooling system depends on more than cubic footage. Insulation, vapor barrier quality, glass exposure, room location, and condenser air conditions all affect system performance.
Contact Wine Coolers Empire for free wine cellar design assistance and product sizing guidance before ordering.
I've had the whisperkool 3500ti in my wine cellar room for a couple of weeks and working smoothly. I usually don't write reviews but I'm so impressed with the whisperkool and the service from this Wine Cooling Units store, Wine Coolers Empire that I felt that I had to share my experiences.
L
Lucas S.
Quality product
I'm a winemaker and I got this for my 3500ti wine cellar cooling unit. It's doing great so far.
J
Jennifer M.
Excellent unit
I've had this 3500ti Self-Contained unit wine cooler for almost a year and it's done great. It keeps my wines at an optimal temperature. The low speed is fairly quiet and has kept up my cellar room with no problem. It's been a solid investment so far. Thanks, Wine Coolers Empire!
E
Eric Stevens
Great Cellar Cooler
Its now been installed for ~ 2 weeks. So far its done great. Low speed is fairly quiet and has easily kept up and the Fon feature is keeping the moisture in the appropriate range.
M
Matthew
Awesome product
Totally worth it
J
Jonathan
Controller is easy to use. It has a small size so I wasn't 100% sure at first if its going to cool our cellar but it does the job, well.
J
Jason
Very quiet and it doesn't bother my wife unlike our previous one
WhisperKOOL
WhisperKOOL Extreme 3500ti Self-Contained Cooling Unit
Regular price$5,439.00
Unit price
Self-Contained Wine Cellar Cooling System
WhisperKOOL Extreme 3500ti Self-Contained Wine Cellar Cooling Unit
Through-the-wall, self-contained wine cellar cooling for properly insulated wine cellars up to approximately 800 cubic feet, with 3,175 BTU/h capacity, bottle-probe temperature sensing, and high-temperature condenser intake performance up to 110°F.
Designed for wine cellars up to 800 cu. ft.
3,175 BTU/h cooling capacity
Through-the-wall self-contained installation
Can maintain 55°F cellar temperature with up to 110°F condenser air intake
Advanced digital controller with bottle probe
115V power; dedicated 20 amp circuit required
Product Overview
The WhisperKOOL Extreme 3500ti is a powerful self-contained wine cellar cooling unit for homeowners and collectors who need dependable temperature control without the added complexity of a split system. It is designed for through-the-wall installation and is best suited for properly prepared residential wine cellars, wine rooms, and dedicated storage spaces up to 800 cubic feet.
This model is part of WhisperKOOL’s Extreme Series, built for demanding installations where the condenser side may experience higher ambient temperatures. When installed in a sealed, insulated wine cellar with a proper vapor barrier, the Extreme 3500ti can maintain a 55°F cellar temperature with condenser air intake temperatures up to 110°F.
The unit includes an advanced digital controller on the face of the system, a liquid-temperature-measuring bottle probe, a 3-speed fan switch, and partial ducting capability. For installations that require the controller outside the wine cellar, consider the WhisperKOOL Extreme 3500tiR.
Quick Answer Summary
Cooling System Type
Self-contained wine cellar cooling unit
Installation Style
Through-the-wall, partially ductable
Recommended Cellar Size
Up to approximately 800 cu. ft.
Cooling Capacity
3,175 BTU/h at 85°F condenser air intake temperature
Voltage
115V
Electrical Requirement
Dedicated 20 amp circuit required
Controller
Front-mounted advanced digital controller
Temperature Probe
Liquid-temperature-measuring bottle probe
Temperature Delta
Can maintain 55°F cellar temperature with up to 110°F condenser air intake
Best For
Residential wine cellars, dedicated home wine rooms, retrofit projects, and collectors who want a self-contained system
Recommended For
Residential wine cellars up to 800 cubic feet
Dedicated home wine rooms
Through-the-wall cooling installations
Collectors who want a self-contained system
Retrofit wine cellar projects
Wine cellars exposed to higher condenser intake temperatures
Projects where simple installation is preferred over split-system complexity
Not Recommended For
Wine cellars larger than 800 cubic feet
Rooms without proper insulation or vapor barrier
Open-concept wine displays
Cellars with excessive glass, stone, or concrete heat load without sizing review
Projects requiring long-distance ducting
Installations where a remote display is required unless upgrading to the tiR model
Exterior wall installation: If this unit will be installed through an exterior wall, an exterior grille is highly recommended to protect the exhaust side of the system from weather exposure, outdoor debris, and external elements.
Interior wall installation: If this unit will be installed through an interior wall, a condenser ducting plenum kit may be required to redirect hot exhaust air to another area.
Cellar preparation: WhisperKOOL wine cooling units work best in a properly insulated, sealed wine cellar with a continuous vapor barrier. Heat load calculations are recommended before selecting a cooling system.
Free Wine Cellar Design Assistance
Need help confirming if the Extreme 3500ti is the right fit? Wine Coolers Empire can review cellar size, insulation, glass exposure, ambient conditions, and installation requirements before purchase.
The Extreme 3500ti includes a front-mounted digital controller with Advanced System Protection. The controller alerts you when specific operating parameters are not met.
Liquid-Temperature Bottle Probe
The included bottle probe measures liquid temperature instead of only ambient cellar air temperature, giving a more accurate reflection of actual wine storage conditions.
3-Speed Fan Switch
The built-in 3-speed fan switch allows airflow adjustment directly from the front of the unit for improved control over cellar conditions.
Exterior Grille Compatibility
When installed through an exterior wall, the compatible WhisperKOOL exterior grille helps protect the exhaust side of the system from outdoor elements.
High-Ambient Performance
Designed to maintain a 55°F cellar temperature with condenser air intake temperatures up to 110°F when properly installed.
Partial Ducting Capability
Compatible ducting accessories can help redirect hot exhaust air or improve installation flexibility when required by the cellar layout.
Advantages and Limitations
Advantages
Limitations
Self-contained through-the-wall design simplifies installation compared with split systems.
Not suitable for wine cellars larger than 800 cu. ft. without professional sizing review.
Can maintain 55°F cellar temperature with condenser intake temperatures up to 110°F.
Requires a sealed, insulated cellar with a proper vapor barrier.
Includes bottle probe for more accurate wine temperature monitoring.
Drain line tubing is required but not provided.
Partial ducting options provide added installation flexibility.
Exterior wall installations should use an exterior grille for protection.
Advanced digital controller provides system alerts and operating protection.
Front-mounted controller requires entering the cellar to view or adjust settings unless upgrading to the tiR model.
Technical Specifications
Model
Extreme 3500ti
Cellar Size
800 cu. ft.
BTU/h
3,175 BTU/h at 85°F condenser air intake temperature
Dimensions
28" L x 14.25" W x 15.75" H
Refrigerant
R-134a
Weight
115 lbs
Horsepower
1/4 HP
Voltage Rating
115V; dedicated 20 amp circuit required
Running Amps
4.2 amps
Drain Line
1/2" ID clear plastic tubing required; not provided
Installation
Through-the-wall, partially ducted
Thermostat
Advanced digital controller with liquid-temperature-measuring bottle probe and retractable cable
Temperature Delta
Can maintain a 55°F cellar temperature with up to 110°F condenser air intake temperature
Outside Venting
Can be done if outside temperature does not exceed 110°F; exterior grille is highly recommended
Ducting Options
Condensing side can be ducted
Warranty
2-year limited parts and labor warranty; 5-year limited compressor warranty
BTU/h and Sizing Guidance
The WhisperKOOL Extreme 3500ti provides an estimated 3,175 BTU/h of cooling capacity. This value is useful for comparison, but it is not a guarantee that the unit will be correct for every 800 cu. ft. wine cellar.
Wine cellar performance depends on insulation, vapor barrier quality, door sealing, glass exposure, stone or concrete surfaces, ceiling height, ambient room temperature, and usage patterns. A cellar with a high heat load may require a larger system even if the room volume appears to fall within the listed capacity.
Wine Coolers Empire sizing note: Choosing an undersized cooling system can prevent the cellar from reaching proper storage temperature and may shorten equipment life. Contact our team for free wine cellar design and cooling system guidance before ordering.
WhisperKOOL Extreme ti vs tiR
The WhisperKOOL Extreme ti and Extreme tiR systems are both self-contained, through-the-wall wine cellar cooling units. The main difference is the controller location.
Model Type
Controller Location
Best For
Extreme ti
Controller and display are mounted on the front face of the cooling unit.
Cellars where adjusting the temperature from inside the cellar is acceptable.
Extreme tiR
Includes KDT Plus remote controller and thermostat.
Projects where the controller should be placed outside the wine cellar.
These accessories can help protect the unit, improve installation flexibility, or adapt the Extreme 3500ti to specific cellar conditions.
WhisperKOOL Extreme Exterior Grille
The WhisperKOOL Extreme Exterior Grille protects the system’s exhaust side from outdoor elements when the cooling unit is installed through an exterior wall.
WhisperKOOL Ducting Plenum for Extreme Series
The ducting plenum allows more installation flexibility by enabling ducting on compatible WhisperKOOL Extreme ti and tiR systems.
Condenser Coil Coating
Condenser coil coating helps protect the condenser coil from salt air exposure, especially in coastal or beach-area installations.
Wine Coolers Empire is a trusted dealer of specialty wine cellar air conditioners, commercial wine cellar refrigeration units, residential wine cellar coolers, and wine storage equipment. Our team helps customers choose the correct cooling system based on cellar size, insulation quality, installation type, and long-term storage goals.
Read more customer feedback on our Customer Reviews page, or review our Shipping Policy for order processing, shipping options, and delivery information.
Wine Coolers Empire Expert Recommendation
We recommend the WhisperKOOL Extreme 3500ti for properly insulated residential wine cellars up to 800 cubic feet where through-the-wall installation is preferred. It is a strong choice for homeowners and collectors who want a dependable self-contained system without the complexity of a split cooling system.
For larger cellars, review the Extreme 5000ti or Extreme 8000ti. For projects requiring a controller outside the wine cellar, choose the Extreme 3500tiR with remote controller.
Need Help Choosing the Right Wine Cellar Cooling Unit?
Choosing the correct wine cooling system depends on more than cubic footage. Insulation, vapor barrier quality, glass exposure, room location, and condenser air conditions all affect system performance.
Contact Wine Coolers Empire for free wine cellar design assistance and product sizing guidance before ordering.
