The MRCOOL® Compact Refrigeration System is a compact, energy-efficient cooling unit designed for small to mid sized walk-in cooler spaces. With inverter technology, it adjusts power use to maintain the correct temperature while saving energy. It works in ambient temperatures from 5°F to 113°F (-15°C to 45°C) and can keep your storage space between 0°F and 50°F (-18°C to 10°C)** — ideal for preserving food, drinks, and other perishable items.
MRCOOL® Compact Refrigeration System
Smart Cooling for Walk‑In Coolers & Freezers
Preservation Mode†
Coverage Area**
416 ft³ (11.79 M³)
8 ft × 8 ft × 6.5 ft (2.44m x 2.44m x 1.98m)
Holds temperatures down to 0° to 32°F (-18° to 0°C) with precise, steady performance. Perfect for frozen goods and long-term preservation.
Cooling Mode
Coverage Area**
918 ft³ (25.99 M³)
11 ft × 11 ft × 7.5 ft (3.35m x 3.35m x 2.29m)
Keeps your space between 33° to 50°F (1° to 10°C) with consistent, efficient cooling. Ideal for produce, beverages, and daily use.
Defrost Faster.
Preserve More.
The system reverses refrigerant flow to send heated discharge gas through the coil, melting frost quickly without relying on energy-heavy electric elements. It’s faster, more efficient, and keeps storage temperatures more stable.
In defrost mode, the reversing valve reverses the refrigerant path, pushing heated discharge gas through the evaporator to rapidly melt frost and return the system to peak performance.
Smaller Build, Bigger Advantages.
Compact Form.
Complete System.
MRCOOL® Compact Refrigeration System integrates the evaporator and condenser into a single optimized cabinet, reducing bulk while improving efficiency. With no on-site refrigerant piping required, installation becomes faster, cleaner, and far more reliable.
Built for a Wider Market Reach
The MRCOOL® Compact Refrigeration System is built for true market versatility supporting not only food cooling and preservation but also florals, pharmaceuticals, dairy, beverages, and specialty products. Its wide temperature range and stable performance make it suitable for diverse commercial environments.
WiFi Connectivity
Real-Time Alerts
for Real‑World Cold Storage
The MRCOOL® Connect App logs temperatures, monitors energy use, and notifies you immediately if conditions shift—helping restaurants stay compliant and prevent costly product loss. WiFi and electrical availability dependent.
Six Innovative Core Technologies
The MRCOOL® Compact Refrigeration System uses six advanced technologies to ensure powerful performance, high efficiency, and long-term reliability built to handle demanding commercial environments.
Compact, All-in-One Design
Smaller Footprint, Lighter Weight, and Easier Installation
DC Inverter Technology
Advanced EVI DC Inverter and BLDC Technology for Enhanced Reliability, Energy Efficiency, and Stability
Low-GWP R-32 Refrigerant
Advancing Sustainability and Environmental Protection
Flexible Cold Box Functionality
High-Pressure Head Caseless Centrifugal Fan for Central Ducted Refrigeration Service
Hybrid Power Supply Support
Utilizing Solar Assist Capability Results In Significant Savings On Electricity.
Wi-Fi Connectivity
Remote Management and Real-Time Equipment Monitoring Via MRCOOL® Connect App
How the MRCOOL® Compact Refrigeration System Keeps Your Walk-In Perfectly Cold
-18° to 0°C
1° to 10°C
Smarter. Faster. Simpler.
Advanced monitoring and smart temperature control ensure consistent storage, while hot-gas defrost and professional installation keep operation simple and efficient.
Built to Endure
Stronger Outside. Safer Inside.
A galvanized steel exterior reinforced with an epoxy coating provides robust resistance to rust, moisture, and everyday wear.
Cold Box Functionality
Built for Flexible Cold Room Setups
The high-pressure fan delivers strong airflow for custom ducted cold box installations—no extra casing needed.
Designed for Fast, Clean, Hassle-free Setup
Engineered for Simplicity & Flexible Installation Solutions
Fast & Seamless Installation
Our system is designed for maximum installation simplicity, allowing contractors and facility teams to complete setup faster with fewer steps. The modular design, pre-configured components, and clearly marked connections ensure a smooth and predictable installation process. In addition to standard mounting options, our ducted install capability enables flexible airflow routing for walk-in coolers, making it easy to integrate the unit into new builds or retrofit environments. The result is a clean, efficient, and technician-friendly installation every time.
Fast & Seamless Installation
Our system is designed for maximum installation simplicity, allowing contractors and facility teams to complete setup faster with fewer steps. The modular design, pre-configured components, and clearly marked connections ensure a smooth and predictable installation process. In addition to standard mounting options, our ducted install capability enables flexible airflow routing for walk-in coolers, making it easy to integrate the unit into new builds or retrofit environments. The result is a clean, efficient, and technician-friendly installation every time.
Installation options
MRCOOL® Compact Refrigeration System Mounting
Installation 01
Through The Wall Side Mount
Integrating a side-mount design, the MRCOOL® Compact Refrigeration System allows for a through the wall installation, ensuring a clean, efficient, and cost-effective setup.
Installation 02
Side Mounted Remote Duct Connection
The unit can be pulled away for duct connections, adaptable to more complex installation scenarios.
3 Years
Limited Compressor Warranty*
The compressor is covered for three full years, ensuring long-term reliability in demanding commercial cooling environments.
3 Year
Limited Compressor Warranty*
The compressor is covered for three full years, ensuring long-term reliability in demanding commercial cooling environments.
1 Year
Limited Parts Warranty*
Covers all functional components for one full year, providing dependable protection from the start.
1 Year
Limited Unit Replacement Warranty*
If the compressor fails within the first year, the entire unit is replaced — not just repaired.
Frequently Asked Questions
The MRCOOL® Compact Refrigeration System’s suggested maximum size** for 33 to 50°F (1 to 10°C) is up to 11 ft × 11 ft × 7.5 ft (2.44m × 2.44m × 1.98m), or 918 ft³ (25.99 m³) of walk-in cooler space, making it ideal for small to medium commercial storage needs.
The MRCOOL® Compact Refrigeration System suggested maximum size** for 0 to 32°F (-18 to 0°C) up to an 8 ft × 8 ft × 6.5 ft (3.35m × 3.35m × 2.29m) or 416 ft³ (11.79 M³) walk-in space. For cold box cooler insulation requirement (R-Value), 25 minimum. For a cold box Freezer, the insulation requirement (R-value) is 32 minimum.
It will run in temperatures from 5°F to 113°F (-15°C to 45°C)**.
You can side-mount the installation or install it via a duct. For power, you will need 208-240V supplied to the system. These requirements are subject to electrical availability.
Yes, with the MRCOOL® Connect app, you can monitor power usage, temperature, settings, and alerts to ensure it runs smoothly when connected to Wi-Fi.
* This Limited Warranty only applies to USA and Canada.
** The suggested maximum application size and/or temperature range is provided as a general guideline only and does not constitute a guarantee of performance. Actual performance may vary based on factors beyond our control, including, without limitation, insulation quality, ambient or external temperatures, installation conditions, usage patterns, maintenance, and other environmental variables. Such factors may materially affect product effectiveness and overall results.
† ‘Preservation Mode’ is not intended to imply U.S. Department of Energy Low-Temperature certification.
