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Extreme 8000ti

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Product Description

The Extreme 8000ti introduces variable speed fans to WhisperKOOL’s most advanced and powerful self-contained cooling system. Utilizing variable speed fans this high capacity unit can maintain optimal cellar condi- tions while operating at a quiet 57 decibels. The Extreme is designed to fit between standard wall studs for simple “through-the-wall” installation with minimum modification to existing wall structures. Extremes are acceptable for mounting through an exterior wall and can operate in a 110°F exhaust environment. The ti Series includes our most advanced controller utilizing Advanced System Protection Technology. This features a series of strategically placed monitoring probes, which ensure efficient performance and long cooling unit life. This system is designed to maintain 55°F in a cellar up to 2000 cubic feet in size. 

System Features:

NewBTUh Rating:
There are circumstances in which a cellar design may require a larger unit due to existing restrictions. Building materials such as glass, stone, concrete, etc. do not offer the insulation capacity required to maintain the optimal cellar environment. We recommend purchasing a unit with a larger capacity to compensate for design limitations. * Please utilize our Cellar Wizard in order to ensure you are selecting the proper cooling unit for your application. Undersized cooling units can lead to premature failure and/or prevent the system from reaching the desired set temperature. As a result, they are not covered under warranty.


Option Details

  • The Exterior Grille protects the exhaust side of the system from the weather elements when installed through an exterior wall.
  • The Exhaust Plenum allows the warm exhaust air to be ducted to another area. Ideal if the room adjacent to your cellar is not ideal for warm air to be exhausted into. This also allows you to duct the condenser supply air from an alternate location.


Cellar Size:
2000 cu. ft. (Each wine cellar is unique and has specific cooling requirements . Heat load calculations should always be performed prior to selecting a cooling unit.)
BTUh @ 85°F:
28” L x 14.25”W x 22.5”H
150 lbs
Voltage Rating:
115V (20 amp dedicated circuit required); 230V (subject to availability)
9 (running amps)
Drain Line:
1/2” ID clear plastic tubing (not provided)
Advanced digital display, liquid-temperature-measuring bottle probe (50ft. 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 cover is highly recommended.
Ducting Options:
Condensing side can be ducted.
2-year limited warranty (parts and labor)
5-year limited warranty (compressor)

Warranty Information

Two-year limited warranty (parts and labor) / five-year limited warranty (compressor) Full Warranty Info

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Product Reviews

  1. whisperkool extreme 5 Star Review

    Posted by on Oct 30th 2017

    I have been using whisperkool products for many years. This extreme version seems to be a definite step up. It runs much more quietly than the regular version and the motor does not seem like it is laboring at all.

  2. Terrific product for hot/dry climates 5 Star Review

    Posted by on Jul 1st 2013

    Unit has been operational for 6+ months - just had our first serious heat wave (96 degrees) and unit performed perfectly. Humidity stayed relatively high on medium setting, despite heat and lack of humidity in the climate. Only hiccup was initial shipment that failed to provide bottle probe. Customer service and technical reps were excellent and got probe here immediately - entire experience with staff has been excellent. Product is capable of maintaining proper temperature and humidity in a very difficult climate using through-the-wall installation.

  3. KUDOS 5 Star Review

    Posted by on Jul 12th 2010

    We recently purchased an Extreme Platinum 8000 unit ... for our purpose-built 1,000 cu. ft. residential wine cellar, which is adjacent to our fully-vented garage. It was installed by your crew on April 12th, and after an initial adjustment to the Humidity Management Enhancement system, has performed flawlessly. It is so much quieter....During the past three weeks, we have been ably assisted and advised by Customer Service. They were very amiable, thoroughly knowledgeable and very professional. I spoke with almost daily for advise and guidance, and they have always been patient and very prompt in returning my calls. Also, the delivery/install crew leader was very knowledgeable and innovative, easily overcoming some installation problems.

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