Product Overview
Wine Guardian SP25 Pro: Quick Decision Summary
Choose the SP25 Pro when a small to mid-sized wine cellar requires quiet, hidden ducted cooling and the compressor and condensing unit should be located away from the finished wine room.
| Best For |
Custom residential wine cellars, luxury wine rooms, restaurant and hospitality wine storage, small commercial wine-storage rooms, and boutique retail wine displays.
|
| System Type |
Ducted split wine cellar cooling system.
|
| Recommended Cellar Size |
Approximately 250–2,000 cubic feet.
|
| Detailed Cooling Capacity |
Up to approximately 4,100 BTUH in the supplied cooling-performance table.
|
| General System Capacity |
Up to approximately 3,485 BTUH in the supplied general system specifications.
|
| Primary Advantage |
Quiet, concealed wine-cellar cooling with remotely located condenser equipment.
|
Things to Know Before Ordering
- The SP25 Pro is a ducted split cooling system.
- The evaporator and condensing unit are separate components.
- The supplied cellar-size range is approximately 250–2,000 cubic feet.
- The detailed cooling table lists up to 4,100 BTUH.
- The general system specifications list up to approximately 3,485 BTUH.
- Published evaporator airflow is 236 CFM.
- The evaporator requires 115V / 1 Phase / 60 Hz power.
- The condensing unit requires 208–230V / 1 Phase power.
- Published condenser airflow is 275 CFM.
- The system uses 24-volt control architecture.
- Optional electric heat, extreme-climate protection, humidification, wireless monitoring sensors, duct kits, grilles, and extended warranty options are available.
- A professional heat-load calculation should be completed before purchase.
For larger applications, compare the SP50 Pro, SP88 Pro, or SP200 Pro.
Buyer Fit
Who Is the Wine Guardian SP25 Pro Best For?
Custom Residential Wine Cellars
The SP25 Pro is suited to small and mid-sized custom residential wine rooms where quiet operation and concealed equipment are priorities.
Luxury Wine Rooms Integrated Into Home Designs
The split configuration allows the condenser and compressor to remain remotely located while discreet supply and return grilles serve the finished cellar.
Restaurant and Hospitality Wine Storage
Restaurant, hotel, and hospitality installations can use the SP25 Pro where reduced equipment noise and hidden cooling infrastructure are important.
Small Commercial Wine Storage Rooms
The supplied content positions the SP25 Pro for light-commercial wine-storage applications when the calculated heat load falls within the system's practical capacity.
Boutique Wine Retail Displays
Retail wine displays can benefit from concealed ducted climate control that does not interfere with the visual merchandising environment.
When to Consider a Different Wine Guardian System
- Do not select the SP25 Pro solely from cubic footage.
- Do not use it where suitable supply and return ductwork cannot be installed.
- Do not proceed if remote condenser placement is impractical.
- Consider the SP50 Pro when the calculated load exceeds SP25 Pro capacity.
- Consider the SP88 Pro or SP200 Pro for substantially larger or more demanding projects.
Model Comparison
SP25 Pro Compared With Other Split Pro Models
| Model |
Recommended Cellar Volume in Supplied Content |
General Position |
| SP25 Pro |
250–2,000 cubic feet |
Small to mid-sized wine cellars |
| SP50 Pro |
1,000–4,000 cubic feet |
Mid-size wine cellars |
| SP88 Pro |
3,000–8,000 cubic feet |
Larger wine cellars |
| SP200 Pro |
Large residential or commercial cellars |
Highest-capacity Split Pro option referenced |
Use Model Ranges as Preliminary Guidance
Final system sizing should account for insulation quality, glass surfaces, surrounding ambient temperature, ceiling height, door-opening frequency, duct design, and the actual project heat load.
Key Features
Key Features and Benefits of the Wine Guardian SP25 Pro
Split-System Design
The SP25 Pro separates the evaporator and condensing unit, allowing the heat-producing condenser equipment to be installed remotely from the wine cellar.
Fully Ducted Cooling
Conditioned air is distributed through supply and return ductwork, allowing the cooling equipment to remain hidden from the finished wine room.
Quiet Operation
Remote condenser placement helps reduce compressor noise and vibration inside the cellar.
Smart Control Integration
The SP25 Pro uses 24-volt control architecture for compatibility with compatible smart thermostats and building-management systems.
Triple-Insulated Cabinet Construction
The supplied content identifies insulated cabinet construction intended to reduce vibration, improve efficiency, and help manage condensation.
Modular Service Panels
Removable panels give technicians access to internal components for inspection and servicing.
Durable UL-Rated Composite Housing
Corrosion-resistant construction is designed for long-term use in wine-cellar environments.
System Operation
How the Wine Guardian SP25 Pro Ducted Split System Works
1. Warm Cellar Air Returns Through Ductwork
Warm air from the wine cellar travels through the return duct to the evaporator fan coil.
2. The Evaporator Removes Heat
The evaporator removes heat from the returning cellar air while circulating conditioned air through the refrigeration cycle.
3. Conditioned Air Returns to the Cellar
The evaporator distributes cooled air back into the wine room through insulated supply ductwork.
4. Refrigerant Transfers Heat to the Condensing Unit
The refrigeration circuit carries the absorbed heat to the remotely installed condensing unit.
5. The Condenser Rejects Heat Away From the Wine Room
The condensing unit releases heat outside the wine cellar, typically from an outdoor location or mechanical space.
Why the Split Configuration Matters
Separating the evaporator and condenser helps reduce noise inside the cellar, gives installers more flexibility in equipment placement, and keeps large mechanical components hidden from view.
Airflow
Evaporator and Condenser Airflow
Evaporator Section
| Rated Airflow |
236 CFM |
| Fan Motor Size |
90 Watts |
| Condensate Drain |
0.5 in. |
Condensing Unit
| Rated Airflow |
275 CFM |
| Power Supply |
208–230V / 1 Phase |
Airflow Planning
The supply and return duct system should be designed to avoid unnecessary airflow restriction. Undersized ducts, excessive bends, or restrictive grilles can reduce delivered performance.
Optional Add-Ons
Optional Accessories
Electric Heat Option
Optional electric heat can help protect wine-storage conditions where surrounding temperatures may fall below the desired cellar setpoint.
Extreme Climate Protection Bundle
The supplied content identifies an extreme-climate protection option for outdoor condensing units exposed to harsh ambient conditions.
Integrated or Freestanding Humidifiers
Optional humidification can support approximately 55%–65% relative humidity where active humidity management is required.
Wireless Monitoring Sensors
Optional sensors can provide remote monitoring of cellar conditions.
Ducting Kits and Grilles
Optional air-distribution accessories can support optimized airflow and installation.
Extended Warranty Options
Extended warranty coverage is listed as an available option. Confirm current eligibility, terms, and exclusions before purchase.
Accessory Selection
Choose accessories according to the actual project requirements. Do not assume electric heat, extreme-climate protection, humidifiers, monitoring sensors, duct kits, grilles, or extended warranty coverage are included with the standard SP25 Pro.
Wine Preservation
Climate Stability and Wine Preservation
The supplied content identifies stable temperature and humidity as important for long-term wine storage.
The SP25 Pro helps maintain a controlled environment that protects stored wine from:
- Temperature fluctuations
- Cork drying
- Oxidation
- Label damage
Optional humidification systems can support approximately 55%–65% relative humidity.
Installation
Installation Requirements and Planning Considerations
Fully Insulated Cellar Envelope
The supplied content identifies a fully insulated wine-cellar envelope as part of proper system planning.
Vapor-Barrier Construction
Proper vapor control helps limit unwanted heat and moisture migration into the cellar.
Supply and Return Ductwork
The SP25 Pro requires ducted air distribution between the evaporator and wine cellar.
Condensate Drainage
The supplied evaporator specifications identify a 0.5-inch condensate drain connection.
Dedicated Electrical Circuits
The evaporator and condensing unit have separate supplied electrical requirements.
Refrigeration Line Connection
The evaporator and condenser must be connected through a properly installed refrigeration line set.
Professional Installation Recommended
The supplied content recommends professional HVAC installation to support correct refrigerant charging, airflow, electrical connections, drainage, and long-term system performance.
Specifications
Wine Guardian SP25 Pro Technical Specifications
General System Specifications
| Brand |
Wine Guardian |
| Model |
SP25 Pro |
| Series |
Sentinel Series Pro |
| System Type |
Ducted Split Wine Cellar Cooling System |
| Recommended Cellar Volume |
250–2,000 ft³ |
| General System Cooling Capacity |
Up to approximately 3,485 BTUH |
| Highest Detailed Cooling Capacity |
4,100 BTUH at 60°F condenser inlet |
| Control Voltage |
24V |
| Refrigerant |
R134A |
Evaporator Section
| Rated Air Flow |
236 CFM |
| Fan Motor Size |
90 Watts |
| Electrical Requirements |
115V / 1 Phase / 60 Hz |
| Dimensions |
21.4 × 16.6 × 15.6 in. |
| Weight |
35 lb |
| Condensate Drain |
0.5 in. |
Condensing Unit
| Power Supply |
208–230V / 1 Phase |
| Rated Air Flow |
275 CFM |
| Dimensions |
34 × 12.3 × 26.1 in. |
| Weight |
75 lb |
| Construction |
Aluminum chassis with corrosion-resistant housing |
System Components
What's Included
- SP25 evaporator fan coil
- Matching condensing unit
- Interchangeable duct collars and covers
- Control electronics
- Installation and service documentation
Downloads
Brochures, Manuals, Specifications, Warranty, and CAD Drawings
Brand Overview
Why Choose Wine Guardian?
The supplied content positions Wine Guardian as a recognized manufacturer focused specifically on wine-cellar climate-control systems.
- More than 20 years of wine-preservation engineering in the supplied content
- Made in the USA manufacturing
- Used by cellar designers, contractors, and hospitality professionals
- Commercial-grade construction
- Smart-control integration
- Residential and commercial wine-storage applications
Questions & Answers
Frequently Asked Questions
What size wine cellar is the Wine Guardian SP25 Pro designed for?
The supplied product content positions the SP25 Pro for approximately 250–2,000 cubic feet. Final equipment selection should be based on a professional heat-load calculation.
What is the cooling capacity of the SP25 Pro?
The supplied detailed performance table lists up to 4,100 BTUH at a 60°F condenser inlet temperature. A separate general system specification lists up to approximately 3,485 BTUH.
Is the SP25 Pro a split wine-cellar cooling system?
Yes. The evaporator fan coil and condensing unit are separate components connected by the refrigeration system.
Does the SP25 Pro require ductwork?
Yes. The evaporator distributes conditioned air to the wine cellar through supply and return ductwork.
How much airflow does the SP25 Pro provide?
The supplied evaporator specifications list 236 CFM rated airflow. The supplied condensing-unit airflow is 275 CFM.
What electrical service does the SP25 Pro require?
The supplied specifications list 115V / 1 Phase / 60 Hz for the evaporator and 208–230V / 1 Phase for the condensing unit.
Can the SP25 Pro provide humidity control?
Yes. Integrated or freestanding humidifier options are listed for projects requiring active humidity control around approximately 55%–65% RH.
Can the SP25 Pro integrate with smart controls?
The supplied content identifies 24-volt control architecture for compatibility with compatible smart thermostats and building-management systems.
When should I choose the SP50 Pro instead?
Choose the SP50 Pro when the project-specific heat load exceeds the practical capacity of the SP25 Pro. Final selection should be based on the actual cooling load rather than room volume alone.
Important Product Guidance
Use the SP25 Pro for Small to Mid-Sized Cellars That Need Quiet Hidden Split Cooling
The SP25 Pro is best suited to residential, hospitality, and light-commercial wine-storage projects where conditioned air can be delivered through ductwork while the condenser and compressor remain remotely located for quieter operation and flexible installation.
Verify current manufacturer specifications, refrigerant requirements, duct design, condenser placement, electrical service, drainage, accessory compatibility, cellar construction, installation instructions, and warranty documentation before ordering. Final system sizing should be based on a project-specific heat-load calculation.
