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How to Choose the Right Ventilation & Cooling Equipment for High-Temperature Regions

How to Choose the Right Ventilation & Cooling Equipment for High-Temperature Regions

04 Aug 2025

Introduction

In scorching climates where temperatures routinely exceed 40°C (104°F), effective cooling isn't just about comfort—it's about safety and productivity. This guide breaks down how to select industrial-grade cooling solutions that combat extreme heat efficiently.


The High-Temperature Challenge: Key Considerations

1. Climate Profile

    • Dry Heat (e.g., deserts): Prioritize evaporative cooling (works best<60% humidity)

    • Humid Heat (e.g., tropics): Opt for HVLS fans + ventilation systems

    • Intense Solar Radiation:  Roof-mounted units with UV-resistant housings

2. Space Requirements


Space Type
Cooling Approach
Warehouses (>500m²)Industrial evaporative coolers (20K+ CMH)
WorkshopsPortable coolers + directional airflow
Outdoor AreasMist fans + shaded cooling zones

3. Heat Sources

    • Machinery-heavy sites: Add 20% extra cooling capacity

    • High-occupancy areas: Prioritize air exchange rates (≥40 changes/hour)



Sizing Your System: A Data-Driven Approach

(Based on Siboly's Model Selection Guide)

Step 1: Calculate Air Changes Needed

Air Changes/Hour (N) = Total Airflow (CMH) ÷ Room Volume (m³)

Reference Chart:


Environment
Air Changes/Hour
General Space25-30x
Crowded Areas30-40x
Machinery/Heat-Intensive40-60x


Step 2: Determine Total Airflow

Total Airflow (CMH) = Room Length × Width × Height × N

Example:20m × 30m × 10m workshop needing 40 changes/hour

= 6,000m³ × 40 = 240,000 CMH

Step 3: Select Equipment

  • 240,000 CMH requirement = 12 × Siboly 20,000 CMH roof-mounted coolers

  • Add HVLS fans for 5-8°C perceived temperature reduction




Equipment Recommendations for Extreme Heat

  1. Evaporative Coolers

    • Best for: Dry regions (≤50% humidity)

    • Top Picks:

      • Roof-Mount Units (1.5KW-3KW) for large spaces

      • Portable 20K+ CMH models with 100L+ tanks

    • Key Features:

      • Corrosion-resistant pads (5090 cellulose)

      • Auto-refill systems for 24/7 operation

  2. Hybrid Solutions (Humid Climates)

    • HVLS Fans (7.3m diameter) + exhaust systems

    • Desiccant dehumidifiers + spot-cooling units

  3. Critical Add-Ons

    • HEPA/Dust Filters (for sandy/dusty areas)

    • Solar-powered options (reduce grid dependency)

    • Remote monitoring (track humidity/temp via app)


Cost-Saving Strategies

  • Energy EfficiencyEvaporative coolers use 90% less power than AC

  • Zoned Cooling: Target only occupied areas

  • Preventive Maintenance:  Clean pads monthly → 30% efficiency boost

Real-World Case: Saudi auto plant reduced cooling costs by 62% using roof-mounted evaporative systems + HVLS fans.



Common Mistakes to Avoid

  1. Under sizing equipment for heat-intensive processes

  2. Neglecting humidity control in tropical zones

  3. Using residential-grade units in industrial settings



Call to Action

"Struggling with extreme heat? Our engineers will design a custom cooling solution—request a free site assessment today!"

+86-0591-23533555 |  siboly@siboly.com

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