WhisperKOOL Slimline LS Cooling Unit

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Designed for approximately 300 cu. ft. on low fan speed / 650 cu. ft. on medium fan speed Self-contained through-the-wall design for above-door placement Direct replacement for WhisperKOOL Slimline 2500 and Slimline 3300 Smart ECM condenser fan technology and centrifugal blowers 115V operation with 20 amp dedicated circuit required Compact Above-Door Cooling for Residential Wine Cellars The WhisperKOOL Slimline LS Cooling Unit is a self-contained, through-the-wall wine cellar cooling system designed for residential wine cellars where quiet operation, compact placement, and reliable wine preservation are priorities. Built to install above a cellar doorway, the Slimline LS helps preserve valuable wall space while maintaining stable climate conditions required for proper wine storage. This model is part of WhisperKOOL’s Luxury Series and serves as a direct replacement for the WhisperKOOL Slimline 2500 and WhisperKOOL Slimline 3300. Important Sizing Note: Wine cellar cooling performance depends on more than cubic footage. Glass, stone, concrete, exterior walls, lighting, insulation quality, and vapor barrier construction can all affect cooling demand. Quick Product Summary Product Type Self-contained through-the-wall wine cellar cooling unit Best Placement Above a wine cellar doorway Recommended Cellar Size Approx. 300 cu. ft. on low fan speed / 650 cu. ft. on medium fan speed Fan Speeds Low and medium Cooling Style Direct through-the-wall cooling Ideal Buyer Residential collectors, luxury homeowners, designers, and builders Replacement For WhisperKOOL Slimline 2500 and WhisperKOOL Slimline 3300 Best For Residential wine cellars up to approximately 650 cubic feet Small-to-medium private wine collections Luxury home wine rooms Above-door wine cellar cooling installations Projects where a low visual profile is important Designers and builders working with compact cellar layouts Not Recommended For Large commercial wine rooms exceeding practical capacity Open-concept wine displays without a sealed cellar envelope Poorly insulated spaces without a vapor barrier Cellars with heavy glass exposure without heat load review Projects requiring ducted or fully remote cooling equipment Why Choose the WhisperKOOL Slimline LS? Above-Door Format Fits in the often-unused space between a wine cellar door and the ceiling to preserve wall space for racking and display features. Dual-Capacity Cooling Low and medium fan speed settings allow capacity adjustment based on cellar needs. Quieter Operation Centrifugal blowers and smart ECM condenser fan technology support quieter residential performance. ECM Fan Technology Self-regulating condenser fans help support system efficiency, heat dissipation, and longevity. Improved Condensate Updated condensate management helps support reliable operation in properly prepared cellar environments. Digital Controller Advanced digital controller includes system protection features and alarms for easier monitoring. Slimline LS vs Previous Slimline Models Feature WhisperKOOL Slimline LS Previous Slimline Models Replacement Compatibility Direct replacement for Slimline 2500 and Slimline 3300 Older Slimline platform Fan Speeds Low and medium Model-dependent ECM Condenser Fan Yes Older fan design Operation Designed for quieter performance Standard Slimline operation Internal Components Updated coils, blowers, and condensate management Previous-generation components Controller Location Relocated to condenser side for easier maintenance and adjustment Older layout Installation Requirements The WhisperKOOL Slimline LS is a self-contained through-the-wall system. It is typically installed above the cellar doorway, allowing the evaporator side to cool the wine cellar while the condenser side exhausts heat into an adjacent interior space. The cellar must be fully insulated and sealed. A proper vapor barrier is strongly recommended. The condenser side must exhaust into a suitable adjacent room with adequate ventilation. A dedicated 20 amp electrical circuit is required. A drain line may be required depending on installation conditions. Heat load calculations should be performed before purchase. Cooling Capacity and Cellar Sizing Guidance The Slimline LS can support approximately 300 cubic feet on low fan speed and approximately 650 cubic feet on medium fan speed. These figures are useful starting points, but they should not replace a full heat load calculation. Cellar Condition Suitability Well-insulated sealed cellar Best fit for published capacity range Moderate glass exposure May require reduced capacity assumptions or larger system review Heavy glass, stone, or concrete Heat load calculation strongly recommended Open wine display Not recommended without specialized design review Poor insulation or no vapor barrier Not recommended until cellar envelope is corrected Learn more about proper wine cellar insulation and ideal wine cellar temperature. Performance Features Digital Controller Advanced System Protection features and alarms notify users when operating conditions need attention. Side Components The bottle probe port and fan switch are accessible from the side panel. Updated Components Includes improved condensate management, robust centrifugal blowers, and larger coils for greater system capacity. UV-C Light Option Optional UV-C Light Technology helps protect the cooling system from mold and bacterial growth. Two-Speed Fan Switch Adjust capacity by changing fan speed from the side of the unit. ECM Condenser Fan Smart ECM Fan Technology supports efficiency and longevity by self-regulating condenser fan performance. Detailed Specifications Fan Speed Low, Medium Cellar Size 300 cu. ft. on low fan speed / 650 cu. ft. on medium fan speed CFM Low Fan: 81 CFM / Medium Fan: 111 CFM Temperature Delta Can maintain a 55°F cellar temperature with up to 85°F condenser air intake temperature Refrigerant R-134a Horsepower 1/5 HP Dimensions 21.5 in L x 22.16 in W x 10.33 in H Weight 81 lbs without packaging / 90 lbs with packaging Voltage Rating 115V; 230V subject to availability Circuit Requirement 20 amp dedicated circuit required Running Amps 4.3 running amps Drain Line 1/2 in ID clear plastic tubing, not provided Warranty Two-year limited parts and labor warranty; five-year limited compressor warranty BTU/h Performance Condition Low Fan Medium Fan 60°F Condenser Air Intake 2601 total / 1961 sensible BTU/h 3032 total / 2413 sensible BTU/h 75°F Condenser Air Intake 2635 total / 1951 sensible BTU/h 2904 total / 2309 sensible BTU/h 85°F Condenser Air Intake 2396 total / 1870 sensible BTU/h 2612 total / 2158 sensible BTU/h 95°F Condenser Air Intake 2205 total / 1704 sensible BTU/h 2392 total / 2008 sensible BTU/h Estimated sensible BTU/h range: 1704–2413. Select a unit with appropriate capacity margin when cellar conditions are uncertain. Optional Accessories UV-C Light Technology Adding UV-C Light Technology helps protect the system from mold and bacterial growth while supporting cleaner cellar air. ThruWall™ Room to Room Fan The ThruWall™ Room to Room Fan helps move heat from one room to another and can assist with temperature balancing in adjacent spaces. Manuals, Specification Sheet, and Warranty Files Owner's Manual of WhisperKOOL Slimline LS Cooling Unit Product Specs Sheet of WhisperKOOL Slimline LS Cooling Unit Warranty Information of WhisperKOOL Slimline LS Cooling Unit Compare Related Wine Cellar Cooling Systems Self Contained Through-The-Wall Wine Cooling Units WhisperKOOL Wine Cellar Cooling Systems Quietest Wine Cellar Cooling Units Ultra Wine Racks & Cellars Free Wine Cellar Design Consultation Wine Coolers Empire offers complimentary wine cellar design planning to help you choose the right cooling system, wine racks, and product layout for your project. Call: +1-888-407-7770Email: [email protected] Request a Free Wine Cellar Design Consultation Why Buy From Wine Coolers Empire? Wine Coolers Empire is a trusted dealer of specialty wine cellar air conditioners, commercial wine cellar refrigeration units, residential wine cellar coolers, and wine storage products. Expert product guidance for wine cellar cooling systems Complimentary wine cellar design planning Support for homeowners, builders, designers, and hospitality professionals Access to trusted wine cellar cooling brands Helpful resources for cooling, insulation, racking, and cellar planning Read customer feedback here: Customer Reviews. For order processing, shipping options, and delivery timelines, visit: Shipping Policy. Related Buying Guides 10 Best Wine Cellar Cooling Units Best Wine Cellar Cooling Unit for Beginners Best Wine Cellar Cooling System for Small Cellars UV-C Light Technology for Wine Cellar Cooling Units WhisperKOOL Slimline LS Cooling Unit Product Review Show more