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WhisperKOOL Slimline 2500 Wine Cellar Cooling Unit (Max Room Size = 350 cu ft)



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  • Slimline is WhisperKOOL's quietest interior venting self contained unit
  • Developed to fit into the often unused space between the cellar door and ceiling
  • Platinum Series controller utilizing Advanced System Protection Technology
  • This features a series which insure efficient performance and long cooling unit life
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Item # 840 10 25
Questions & Answers

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Browse 11 questions Browse 11 questions and 21 answers
We live in a very dry climate. Does it need a water supply to put humidity into the room?
Dave on May 1, 2014
BEST ANSWER: The Whisperkool Split Systems now have an upgrade humidification option that you can purchase. All you will need with the purchase of the upgrade is to run a water line to it. I would call Wine Enthusiast to discuss
The picture they show of this unit don't show the power cord and drain line, but in the owners manual they do. Do you actually see the power cable and drain line on the cold side? That's what's holding me back from buying one..
Andy P on Sep 25, 2015
BEST ANSWER: Yes, the power cord and drain line are both on the cool side and you will see them along with the bottle temp cord which lets the unit know that it's reached it's desired temp. I converted a walk in pantry in my home to a walk in wine cellar. So far it's worked great. Haven't had any use for the drain yet but it's there with a Home Depot bucket in case it is ever needed. We live in a very dry area with zero humidity.
How far does the unit protrude into the room on the exhaust side?
Doug W on Nov 5, 2016
BEST ANSWER: Figure about 6"
We have a very small space that is15 inches deep and backs up to our kitchen. There is no room for a unit that is 15 inches deep! What do people do when they have limited space for a cooling unit?
Lislotti on Feb 10, 2016
BEST ANSWER: my unit didn't fit over the door because there was a header. I had to move it to the side of the wall. I'm not really sure what your particular issue is with 15". You'll need clearance on both sides of the unit just like any air conditioner...
What is the maximum decibel level that the cooling unit produces?
Keith on Mar 10, 2015
BEST ANSWER: Hello Keith,
53dba Condenser Side and 59dba Evap Side.
Can this unit be used in a commercial application for a restaurant? Have approx. 650 cf of volume but have close to 1700 bottles of wine?
Tom on Dec 20, 2014
BEST ANSWER: The Slimline 2500 is too small if your are cooling a space greater than 650 cubic foot. I would recommend a system that can handle up to 1000 cubic feet like a Whisperkool SC 4000i.
can it be mounted in the ceiling facing downward to the ground?
jeff on Nov 11, 2014
BEST ANSWER: Unfortunately the model must be slid into the wall and blow out into the cellar.
I do not have an adjacent interior room for the vent, my adjacenet space is " my garden open space" is this unit still a possible option for me, if not can you recommend similar price unit 350 cub ft
henson on Sep 14, 2014
BEST ANSWER: Hello Henson,
Venting to the exterior for this specific cooling unit is not recommended.
The Whisperkool Platinum Extreme 3500ti is designed to vent to the exterior and is a better solution. Please call one of our Wine Cellar Specialists if you have any further questions
Thank you
Can the WhisperKOOL Slimline 2500 be on an outside wall and thus exhausted to the outside of the house and not an interior room? This is in Phoenix AZ
Paul on Jul 30, 2014
BEST ANSWER: These type of through the wall units must vent to an interior adjacent space where both the intake and outake air is coming from a conditioned space and the ambient temperature is less than 85 degrees.
Could the exhaust be ducted from the back of the unit?
Markitect54 on Jul 21, 2014
BEST ANSWER: Yes, the exhaust emits from the back of the unit to a larger interior conditioned space.
Do you need to have a drain for condensation or excess water?
Jim on Oct 19, 2011
BEST ANSWER: Thank you for your inquiry, yes the WhisperKool Slimline does include a drain line from the back of the unit.
Customer Reviews

4.2 / 5.0
5 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Installed to cover 200sq/ft room for 500 bottles of wine. Unit installation was easy and unit performs as advertised. I would highly recommend this unit for small wine cellars.
July 27, 2015
over 2 years ago
exceptional product for a smaller cellar
Easy Set Up
Very low AMP usage
February 16, 2014
To the 1 star review if your cellar was 300sf than at 6 foot ceilings that's 1800 cf. Unit is rated for 350 CUBIC FEET proper insulation would help as well don't blame the manufacturer for your poor math skills.

August 3, 2016
Newly installed
I received and installed the WhisperKool 2500 recently. The unit was very well packaged and included mounting brackets and operators manual (installation instructions too). Very pleased with initial use, however because the weather is so mild (cool) I have not used it beyond the initial day. During that day it ran smooth. Satisfied with the sound level too.
March 9, 2017
1 year ago
Big Mistake
It was necessary for me to use this unit based on the size and configuration of my cellar which is 300 sf., is below ground and not on the sunny side of my home. During the winter, the temperature will not go below 57 degrees. During the late spring to early fall, I am lucky if I can keep it below 65 degrees.

It has been necessary for me to install a fan to blow cool air across the exterior grills 24x7x365. I have had the unit replaced but even though I coninue to call and ask for assistance, or have someone come to my home and review the installation, I get no where. I have spoken to the President of the company who tells someone to get I touch with me and I wait months to hear anything.

The manufacturer does not care and I have 500 bottles of wine that are at serious risk. I would not recommend using this unit unless you can guarantee that the room outside of the cellar will not go above 68 degrees.
July 4, 2015