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WhisperKOOL  |  SKU: U-WKSC4000-115-PRO-4
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WhisperKOOL SC PRO 4000 Self‑Contained Wine Cellar Cooling Unit

$3,665.00 USD

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Description

WhisperKOOL SC PRO 4000 Self‑Contained Wine Cellar Cooling Unit

The WhisperKOOL SC PRO 4000 Wine Cellar Cooling Unit is a self‑contained through‑the‑wall system engineered to deliver dependable temperature control for wine cellars up to approximately 1,200 cubic feet when the area is properly insulated and sealed. Its all‑in‑one design consolidates the evaporator, condenser, and controls into a single unit, making installation straightforward without the need for separate refrigeration components.

Designed with both performance and ease of use in mind, this unit maintains consistent cellar temperatures that help preserve wine quality and support proper aging conditions. The whisper‑quiet operation ensures minimal sound disruption, making it a practical choice for residential wine rooms or custom cellar projects.

Installation fits between standard wall studs, simplifying retrofit or new construction setups. With a built‑in digital thermostat and efficient airflow design, the SC PRO 4000 provides reliable cooling performance while maximizing usable cellar space.

Whether you’re cooling a small residential collection or a medium‑sized custom cellar, the WhisperKOOL SC PRO 4000 offers an efficient and convenient solution for maintaining ideal conditions for wine storage.

Is This the Right Cooling Unit for a 1,000 cu. ft. Wine Cellar?

The WhisperKOOL SC PRO 4000 is a self-contained, through-the-wall wine cellar cooling unit designed for fully insulated and vapor-sealed residential wine cellars up to 1,000 cubic feet.

It is best suited for interior installations where the condenser intake temperature does not exceed 85°F.

If your installation environment regularly exceeds 85°F (such as garages, exterior walls in warm climates, or unconditioned spaces), the WhisperKOOL Extreme Series is recommended instead.

Who the SC PRO 4000 Is Designed For

✔ Residential wine cellars up to 1,000 cu. ft.
✔ Fully insulated rooms with a proper vapor barrier
✔ Interior wall installations
✔ Through-the-wall applications
✔ Projects where a split system is not necessary

When This Unit Is Not the Right Choice

✖ Cellars larger than 1,000 cu. ft.
✖ Condenser intake temperatures above 85°F
✖ Exterior wall installations in hot climates
✖ Commercial or restaurant wine rooms
✖ Poorly insulated spaces

Failure to meet installation requirements may prevent the system from maintaining 55°F.

How the SC PRO 4000 Maintains Stable Wine Storage

1. TXV (Thermostatic Expansion Valve)

The integrated TXV automatically adjusts refrigerant flow based on real-time heat load conditions.

Why it matters: Improves temperature stability and reduces compressor strain during seasonal temperature changes.

2. Advanced Centrifugal Blower Fans

Replaces traditional axial fans with stronger centrifugal blowers for improved airflow distribution.

Why it matters: Reduces hot spots and temperature layering inside the cellar.

3. Liquid-Temperature Bottle Probe

Measures the actual liquid temperature of your wine rather than just ambient air temperature.

Why it matters: Prevents short cycling and helps maintain ideal aging conditions.

4. Condensate Evaporator

Capable of evaporating up to 3 ounces of condensate per hour under normal conditions.

Why it matters: Reduces reliance on drain lines in low-humidity environments. (A drain line is still recommended.)

5. Digital Controller with System Protection

Front-mounted display includes monitoring alarms and performance safeguards.

Why it matters: Provides visibility into system performance and alerts you to temperature deviations.

Environmental Requirements (Critical for Performance)

To maintain a 55°F cellar temperature:

  • Condenser intake air must not exceed 85°F
  • The cellar must be fully insulated
  • A proper vapor barrier must be installed
  • A dedicated 115V / 20-amp circuit is required

If these conditions are not met, cooling performance will decrease.

SC PRO Series Model Comparison

Model Max Cellar Size* BTU/h @ 85°F HP Running Amps
SC PRO 2000 300 cu. ft. 1453 1/8 2.7
SC PRO 3000 650 cu. ft. 2049 1/6 2.9
SC PRO 4000 1,000 cu. ft. 2253 1/6+ 3.7
SC PRO 8000 2,000 cu. ft. 4241 1/2 10.9

*Capacity assumes a fully insulated, sealed environment with proper vapor barrier.

Technical Specifications – SC PRO 4000

  • Cellar Capacity: Up to 1,000 cubic feet*
  • Cooling Capacity: 2253 BTU/h (at 85°F condenser intake)
  • Dimensions: 17.5" L x 14.25" W x 15.75" H
  • Refrigerant: R-134a
  • Horsepower: 1/6+ HP
  • Voltage: 115V (20 amp dedicated circuit required)
  • Running Amps: 3.7 amps
  • Drain Line: 1/2" ID clear plastic tubing
  • Installation Type: Through-the-wall (optional exhaust ducting available)
  • Thermostat: Advanced digital display with liquid-temperature bottle probe
  • Temperature Performance: Maintains 55°F with ≤85°F condenser intake
  • Warranty: 2-Year Limited Warranty (Parts & Labor) / 5-Year Limited Warranty (Compressor)

*Heat load calculations should always be performed prior to selecting a cooling unit.

Manuals for WhisperKOOL SC PRO 4000

Installation Overview

The SC PRO 4000 is a self-contained system and does not require a licensed HVAC-R technician for installation.

However:

  • A licensed electrician may be required for dedicated circuit installation
  • Proper insulation and vapor barrier are critical
  • Heat load calculations are recommended before purchase

Optional Accessories

  • Condenser Ducting Kit: Allows safe removal of exhaust heat when ventilation is limited.
  • UV-C Lighting System: Helps reduce mold and microbial growth inside the cooling unit.
  • Exterior Grille: Protects the exhaust side when installed through an exterior wall.

Final Recommendation

The WhisperKOOL SC PRO 4000 is an appropriate solution for residential wine cellars up to 1,000 cubic feet where environmental and installation conditions meet manufacturer requirements.

If your project involves higher ambient temperatures, exterior exposure, or larger spaces, a higher-capacity or split system will provide more reliable long-term performance.

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