When choosing an ultra-low temperature gelato display freezer for dessert shops, prioritize stable -22°C temperature, air-cooled frost-free system and curved high-transparency anti-fog glass. Determine specifications based on the number of gelato flavors, cabinet type and budget, balancing attractive display and easy scooping texture.
1. Temperature: -22°C as the Rigid Standard
-
Standard Temperature: -18°C ~ -22°C. Setting the temperature steadily at -22°C works best, as the gelato stays firm and smooth for easy scooping without ice crystal formation.
-
Temperature Accuracy: Temperature fluctuation ≤ ±0.5°C; the cabinet shall cool back to -22°C within 10 minutes after door opening.
-
Temperature Control: Equipped with digital microcomputer control and real-time temperature display, as well as power-off memory function.
-
Common Mistakes to Avoid: Gelato turns soft and mushy above -18°C and becomes overly hard to scoop below -24°C. Direct-cool freezers feature uneven temperature and heavy frost buildup. Air-cooled frost-free type is a must.
2. Refrigeration System: Air-Cooled Frost-Free Design & Branded Compressor
-
Cooling Type: Air-cooled frost-free with forced air circulation, no manual defrosting required and ensures even temperature inside.
-
Compressor: Opt for commercial-grade compressors such as Danfoss, Embraco and Secop. 1 horsepower corresponds to around 200L, and a freezer for 12 trays is about 1300W.
-
Refrigerant: R290 (eco-friendly and energy-saving) is the top choice, followed by R404A. Keep away from refrigerants with high GWP.
-
Defrosting System: Fully automatic electric defrosting. The temperature rise during defrosting shall not exceed 2°C to protect gelato quality.
3. Cabinet Type & Capacity: Select by Flavor Quantity & Store Size (Display-Oriented)
1) Main Cabinet Types (Top Picks for Dessert Shops)
-
Curved Front Glass Cabinet (Most Recommended): Three-sided or curved high-transparency glass delivers excellent display effect, allowing customers to view all gelato flavors clearly.

-
Countertop Built-in Cabinet: Designed to be placed on bar counters or workstations to save space, ideal for small shops holding 6 to 8 trays.

-
Upright Glass Door Cabinet: Large storage capacity suitable for holding more than 12 trays, yet its display performance is inferior to curved cabinets.

2) Capacity Matching (Based on GN1/3 trays, 5L per tray)
-
Small Shops (6~8 flavors): 150~250L / 6~8 trays, width: 1000~1200mm.
-
Standard Shops (10~12 flavors): 300~450L / 10~12 trays, width: 1200~1600mm.
-
Large Shops (14~18 flavors): 500~650L / 14~18 trays, width: 1800mm and above.
4. Glass & Lighting: High-Transparency Anti-Fog Glass & LED Lights (Key to Sales)
-
Glass: Triple-layer insulated tempered glass with Low-E coating and electric anti-fog function. It is essential for humid southern areas to keep the glass clear all the time.
-
Lighting: 4000K cool white LED lights with low glare and low heat output, restoring the natural color of gelato.
-
Night Heat Preservation: Fitted with night thermal curtain to cut power consumption by over 30% during non-business hours.
5. Materials & Details: Durable & Easy to Clean (Essential for Commercial Use)
-
Inner Liner: Made of 304 stainless steel, corrosion-resistant with rounded corners for easy cleaning.
-
Insulation Layer: 60~80mm high-density polyurethane foam for superior cold retention and energy efficiency.
-
Door Seal: Removable antibacterial rubber seal with tight sealing performance and easy replacement.
-
Mobility: Equipped with universal wheels and brakes for convenient cleaning and rearrangement.
-
Noise Level: ≤ 55dB, creating a quiet indoor environment.
6. Energy Efficiency & After-Sales Service: Save Costs in the Long Run & Use with Peace of Mind
-
Energy Efficiency: Commercial Grade 1 energy efficiency with COP ≥ 1.8. R290 refrigerant saves 20%~30% more power than R404A.
-
Voltage: Standard 220V/50Hz, wide voltage range of 187~242V to adapt to voltage fluctuations.
-
After-Sales Service: 1-year warranty for the whole unit and 3-year warranty for the compressor, with local maintenance service available.
7. Quick Selection Checklist for Dessert Shops
Temperature: Adjustable at -22°C, tolerance ±0.5°C, air-cooled frost-free
Cabinet Type: Curved front glass cabinet (preferred) / Countertop built-in cabinet
Capacity: 6~8 trays for small shops / 10~12 trays for standard shops
Glass: Triple-layer tempered glass with Low-E coating and electric anti-fog function
Lighting: 4000K cool white LED lights + night thermal curtain
Inner Liner: 304 stainless steel + 60mm foam insulation layer
Compressor: Danfoss/Embraco/Secop, R290 refrigerant
8. Common Pitfalls to Avoid
Buy cheap direct-cool freezers: Heavy frost, uneven temperature and ice crystals easily form on gelato.
Glass without electric anti-fog function: Condensation is inevitable in southern regions, blurring the view and requiring frequent wiping.
Excessively large capacity: Insufficient cooling, temperature drift and sharp rise in power consumption.
Neglect after-sales service: No local maintenance support will lead to business suspension once the compressor breaks down.
Brand matters a lot. Cooluma has years of experience in developing freezers and gelato display freezers with a full range of models, providing you with high-quality equipment.