(10 customer reviews)
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The SCs are our easiest-to-install self-contained cooling units. The SC Series offers a wide range of cooling capacities at an economical price. The five units in the series can cool cellars between 300 and 2,000 cubic feet (given adequate cellar construction and a properly installed vapor barrier). They do not require an HVAC-R technician to install.


BTU/h Rating


The BTU/h value shown here is a theoretical number. There are often circumstances under which a cellar design may require a larger unit due to variables not accounted for in the formula. For example, these variables could be building materials (such as glass, stone, concrete, etc.) which 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 these unaccounted-for variables. An undersized unit can lead to premature failure and will most likely prevent the cellar from reaching your desired temperature.

Cellar Wizard

For more specific calculations, we have a tool which accounts for these variables. Please utilize this tool in order to ensure you are selecting the proper cooling unit for your application. Our tool is called the Cellar Wizard.


Cellar Size:
Approx. 1000 cu. ft. when cellar is fully insulated and sealed with proper vapor barrier (each wine cellar is unique and has specific cooling requirements; heat load calculations should always be performed prior to selecting a cooling unit)
BTU/h w/85°F air entering condenser coil:
17.5"L x 14.25"W x 15.75"H
Refrigeration Tons:
Voltage Rating:
115V (20-amp dedicated circuit required); 230V (subject to availability)
65 lbs
3.7 (running amps)
Drain Line:
1/2" ID clear plastic tubing
Through the wall
Advanced digital controller, liquid-temperature-measuring bottle probe (retractable cable)
Temp. Delta:
Can maintain a 55°F cellar temperature with up to 85°F condenser air intake temperature
Outside Venting:
Not recommended

Manuals / Warranty Information


Product Sheets

Warranty Information

10 reviews for Self-Contained – SC 4000i

  1. Carl

    I’ve had the SC 4000i cooling system for a few months now and the wine cellar is full. I like how it monitors the liquid temp. The cellar has steadily maintained the temperature at 55 degrees, so I’ve been happy so far.

  2. Robert Forte

    The previous Whisperkool system in this house lasted 20 years with absolutely no maintenance. I was so pleased that the new Whispercool system was the exact same size as the previous product from 20 years ago. I removed the old system and replaced with the new system in about an hour with no modifications to the wall. Working great!!!

  3. Unknown

    Had it’s predecessor for over 10 years without a problem. If this system is as good I will be ecstatic. Easy to remove the old and replace with the new.

  4. Amazon Customer

    Fantastic product. Good price and would recommend to purchase.

  5. Unknown

    My last unit lasted 15 years with out a problem. This unit easily replaced the old one in just 30 minutes. Set up,is easy, and it runs as expected.

  6. Gaylaird

    Updated April 2018

    Will cool as calculated !!!

    I came back to update my review.
    My design calculations were wrong. If you have a space with a lot of glass I strongly suggest you use the WhisperKool calculation tool. Do not use the SF or CF estimation tools if you do you Cooler will be too small.
    After I did my calculations I found I had to add another cooler even though my original guesstimate had a safety factor of 3. Take the time to do a detailed calculation or hire an engineer for special situations.
    With two coolers my cellar works great never exceeding 56 Degrees with the added safety factor of having a backup unit if one fails.

    I made a call to customer service regarding my cooler. My cooler was purchased from amazon and drop shipped by WhisperKool. The representative stated he would send me some information which I have yet to receive. That is the reason for my review.

    My cooler was installed two weeks ago and has yet to reach the desired temperature of 56 degrees. The lowest temperature I have reached is 58 degrees.

    My cellar is 273 Cu Ft. it is rated for 1000 cu ft.
    my cellar has two large triple glazed sliding glass doors. The U factor for these doors is equal to an insulated wood stud wall. I called WhisperKOOL during the design process explaining my design factors. The representative I talked with suggested I upsize my unit to the next size.
    As you can see to be safe I upsized my unit two sizes.

    We are located in Oxnard. The ambient temperature has not climbed out of the seventies since the cooler was installed. I have noticed that my cooler has produced more condensation than my last cooler in Pasadena. Obviously we do have higher humidity due to our close proximity to the Ocean.

    The manufacturer has refused to help me determine why my WhisperKOOL SC 4000i Wine Cellar Cooling Unit (up to 1000 cu ft.) is not cooling properly.

    I have already taken one measure. I noticed the room was overheating slightly. I installed a vent in the ceiling to make sure the cooler was not short circuiting.
    To no avail?

  7. Richard Siemon

    Totally satisfied after the first month

    This was a replacement unit, and it works noticeably better than the previous model installed about 5 years ago. Quiet, easy to install, turns on and off at reasonable intervals (about 30 minutes is typical in our case), and keeps our 8 foot by 20 foot cellar uniform in temperature within about 3 degrees from the far end to the cooler end. Humidity control appears to be working well also. At least the amount of water condensed and collected on the outside is noticeably more than before.

  8. Ronald L Ellis MD

    Excellent, reliable, durable.

  9. Amazon Customer

    Easy to assemble and install. Works great. this is a replacement for my 1999 WHISPERKOOL 4250, MUCH IMPROVED.
    Instructions were not as detailed as I thought they needed to be, caused user to make decisions without directions. Woild have prefered drain tube be routed on the inside of unit. Out side drain makes for an ugly installation.

  10. Steve Gillis

    Great price for the product.

    Very good unit. Make sure your wine cellar is propertly built .

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