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WhisperKOOL Extreme 3500ti Self-Contained Cooling Unit

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WhisperKOOLSKU: U-WKEX3500-115-3

Sale price$4,885.00 Regular price$6,162.75

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WhisperKOOL Extreme 3500ti Self-Contained Cooling Unit Review

Looking for a powerful cooling system that's easy to install? The WhisperKOOL Extreme 3500ti Self-Contained Cooling Unit is the perfect solution!

NOTE: If you plan to install the unit through an exterior wall, it is important to purchase an exterior housing to protect the unit from external elements. If you plan to install the unit through an interior wall, you will need a condenser ducting plenum kit to redirect the hot air exhaust to another area.

Installation is made easy with the Extreme Series - WhisperKOOL Wine Cellar Cooling Systems. They do not require an HVAC-R technician.

The WhisperKOOL Extreme 3500 ti Self-Contained Wine Cellar Cooling System is an advanced and powerful cooling system that features variable-speed fans for optimal wine cellar conditions. This high-capacity unit is designed for powerful operation, efficiency, and high reliability, so your wine collection will always be stored at the perfect temperature, even in the most extreme outdoor conditions.

The WhisperKOOL Extreme ti is designed to be installed through a standard wall, with minimal modifications to the existing wall structure. This makes the “through-the-wall” installation process simple and easy. Additionally, this WhisperKOOL wine cooling unit can be mounted through an exterior wall and can operate under extreme conditions.

Other sizes: WhisperKOOL Extreme 3500ti for 800 cu.ft, WhisperKOOL Extreme 5000 ti for 1250 cu.ft. wine cellar & WhisperKOOL Extreme 8000 ti for 2000 cu.ft wine cellar.

W/ KDT PLUS REMOTE CONTROLLER & THERMOSTAT: WhisperKOOL Extreme 3500tiR Self-Contained Cooling Unit for 800 cu.ft.WhisperKOOL Extreme 5000tiR Self-Contained Cooling Unit for 1250 cu.ft & WhisperKOOL Extreme 8000tiR Self-Contained Cooling Unit for 2000 cu.ft wine cellar.

What's the difference between WhisperKOOL Extreme ti and tiR?

The WhisperKOOL Extreme ti Series operates similarly to the WhisperKOOL Extreme tiR Series and both are designed for through-the-wall installation. The main difference between the two is the location of the controller and display. On the Extreme ti, the controller and display are located on the front face of the unit, so to check and adjust the temperature, you need to go inside the wine cellar.

WhisperKOOL Reviews: WhisperKOOL Extreme Series

Scott Marcus from Acampo, CA shared his experience with WhisperKOOL Extreme systems. He needed a reliable wine room cooling unit that would protect his wine collection during the hot summer months. After conducting thorough research, he chose WhisperKOOL Extreme systems to combat high temperatures. The remote control feature also gave him peace of mind as he could monitor his wines even when he was away on vacation.

Looking for more options? Take a look at our collection of Through-The-Wall Wine Cellar Cooling Units(Self-Contained) or check out all our WhisperKOOL Wine Cooling Systems.

We also provide a selection of modern wine racks. Visit Ultra Wine Racks & Cellars today to get the best wine racks!

WHY BUY FROM US: Wine Coolers Empire is a trusted dealer of specialty wine cellar air conditioners, commercial wine cellar refrigeration units, and residential wine cellar coolers. More WhisperKOOL wine cellar cooling unit reviews can be found on our Customer Reviews page.

Contact us for any questions or concerns. For information on order processing, shipping options, and delivery times, please visit our Shipping Policy.

Buy WhisperKOOL Extreme 3500ti Self-Contained Cooling Unit today and enjoy your amazing wines at their best temperature!




    You'll find the WhisperKOOL thermostat in front of the unit. It has Advanced System Protection which alerts to notify you if specific parameters aren't met. If you want to place the thermostat up to 25 feet away from the unit, upgrade to WhisperKOOL Extreme tiR systems.
    Digital Controller - WhisperKOOL | Wine Coolers Empire - Trusted Dealer
    The WhisperKOOL bottle probe measures the wine's temperature in the cellar with accuracy. As opposed to measuring the ambient cellar air, the liquid temperature measuring probe provides a more precise and accurate reflection of the temperature of the wines stored in the cellar.
    Bottle Probe - WhisperKOOL | Wine Coolers Empire - Trusted Dealer
    You can simply adjust the fan speeds with just a flip of the 3-speed fan switch feature that is built in front of the unit.
    3-Speed Fan Switch - WhisperKOOL | Wine Coolers Empire - Trusted Dealer
    Mounting through an exterior wall? The WhisperKOOL exterior grille protects the exhaust side of the system from the outdoor elements when installed through an exterior wall.
    Exterior Grille - WhisperKOOL | Wine Coolers Empire - Trusted Dealer



Please click below to read and download the owner manual for this cooling system.

Please click below to view all product specifications for the Extreme ti - Self-Contained Systems.

A limited 2-year product/5-year compressor warranty is offered with all self-contained cooling units at the date of purchase.

Need assistance? Talk to an Expert at +1-888-407-7770 or email: support@winecoolersempire.com to get the best-suited wine cooling system for your needs.




  • Model:  Extreme 3500ti 
  • Cellar Size: 800 cu. ft
  • BTU/h (85°F condenser air intake temperature: 3175
  • Dimensions (L x W x H): 28" x 14.25" x 15.75"
  • Refrigerant: R-134a
  • Weight (lbs): 115
  • HP: 1/4
  • Voltage Rating: 115V (20 amp dedicated circuit required)
  • Amps: 4.2 (running amps)
  • Drain line: 1/2" ID clear plastic tubing (NOT PROVIDED)
  • Installation: Through-the-wall, partially ducted
  • Thermostat: Advanced digital controller, liquid-temperature-measuring bottle probe (retractable cable)
  • Temp. Delta: Can maintain a 55°F cellar temperature with up to 110°F condenser air intake temperature
  • Outside Venting: Can be done if the outside temperature does not exceed 110°F; the external grille is highly recommended
  • Ducting Options: Condensing side can be ducted
  • WhisperKOOL Warranty: Two-year limited warranty (parts and labor) |  Five-year limited warranty (compressor)

*NOTE: WhisperKOOL wine cooling units work best in a well-insulated and sealed room with a proper vapor barrier. Every wine cellar is different and has its own cooling needs. It's important to perform heat load calculations before choosing a cooling system for wine cellars.





The BTU/h value range shown here is an estimate and not a guarantee. There may be instances where a cellar design requires a larger unit due to variables not included in the calculation. These variables can be building materials (such as glass, stone, concrete, etc.) that do not provide enough insulation to maintain the ideal wine cellar environment.

We recommend purchasing a unit with a higher capacity to compensate for these unforeseen variables. Choosing an undersized unit may result in premature failure and may not be able to achieve your desired wine cellar temperature.


Product Video


Powerful Extreme Series

Advanced Controller

Extreme Series Power Option

Durable Finish

Extreme Series Variable Speed Fan

Single Piece Mounting Bracket

"My wine cellar room is higher than 800 cu.ft. What wine cooling system can accommodate a bigger wine cellar room?"

Click here:  👉Extreme 5000ti for 1250 cu.ft. wine cellar👈

WhisperKOOL Accessories

WhisperKOOL Accessories (Optional)

You may add WhisperKOOL replacement parts and accessories to enhance the performance and longevity of your wine cooling systems. These add-ons include items that upgrade and protect the system. Check out the other WhisperKOOL Parts & Accessories.

WhisperKOOL Exterior Grille for Extreme Series

WhisperKOOL Exterior Grille for WhisperKOOL Extreme Series | Wine Coolers Empire - Trusted DealerWhisperKOOL Exterior Grille for WhisperKOOL Extreme Series | Wine Coolers Empire - Trusted Dealer

The WhisperKOOL Extreme Exterior Grille protects the system's exhaust side from outdoor elements and extreme temperatures. This WhisperKOOL Exterior Grille is specifically designed for WhisperKOOL Extreme Series - Through-the-Wall Wine Cooling Systems.

WhisperKOOL Ducting Plenum for Extreme Series

WhisperKOOL Ducting Kit for Extreme Series - WhisperKOOL | Wine Coolers Empire - Trusted DealerWhisperKOOL Ducting Kit for Extreme Series - WhisperKOOL | Wine Coolers Empire - Trusted Dealer

This Ducting Plenum allows ducting on either side of the WhisperKOOL Extreme ti & tiR self-contained through-the-wall wine cooling systems.

The evaporator and condenser sides can both be ducted through this plenum, giving you more installation options and flexibility.

WhisperKOOL Evaporator Ducting Kits

WhisperKOOL Condenser Ducting Kits

Condenser Coil Coating

The Condenser Coil Coating is a protective coating applied to a WhisperKOOL wine cellar cooling system's condenser coil to protect it from salt air. This coating helps to extend the lifespan of the cooling unit, especially in areas near the coast or beach where salt air can be a problem.


Read more to LEARN MORE! 📚

Welcome to our Special Section,

Here we've gathered all of the related articles in the hopes of assisting you in knowing the PERFECT MATCH for your Wine Cellar. 

Here are Top-Rated Articles: 

We understand that buying this unit is a significant investment, so we make sure you'll get the right unit for your wine room.

We have our Professional Team that is ready to assist you!

Contact Us - Wine Coolers Empire

 Furthermore, because YOUR SATISFACTION IS OUR TOP PRIORITY we offer SURPRISING DISCOUNTS that cannot be found anywhere else!


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Customer Reviews

Based on 7 reviews
Madeliene J.
Amazed with the product

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.

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.

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!

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.

Awesome product

Totally worth it


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.


Very quiet and it doesn't bother my wife unlike our previous one