An Overview of Air Cooler Net: Standards, Grades, and Mechanical Performance

Types of Air Cooler Nets

A air cooler net (also known as a cooling pad or evaporative media) is a crucial component in evaporative air coolers that enables efficient cooling through water evaporation. These nets directly influence cooling efficiency, airflow quality, and maintenance frequency. Choosing the right type ensures optimal performance, energy efficiency, and indoor comfort.

CELDEK Cooling Pad

Engineered with a cross-fluted cellulose structure, CELDEK pads offer maximum surface area for water retention and evaporation, delivering superior cooling performance.

Advantages

• High evaporation efficiency (up to 90%)
• Excellent dust and particle filtration
• Resistant to mold, algae, and bacterial growth
• Long service life (4–6 years with maintenance)
• Promotes clean, fresh, and healthy indoor air

Limitations

• Higher initial cost compared to natural fiber pads
• Requires regular cleaning to prevent mineral buildup
• Less biodegradable than natural alternatives

Best for: Commercial spaces, industrial units, and homes in hot, dry climates requiring maximum cooling efficiency

Aspen Cooler Pad

Made from shredded aspen wood fibers, this natural cooling media absorbs water effectively and cools air through evaporation in a simple, eco-friendly design.

Advantages

• Low cost and widely available
• Natural, biodegradable material
• Easy to install and replace
• Provides adequate cooling for small to medium rooms
• Soft airflow with minimal noise

Limitations

• Shorter lifespan (typically 1 year)
• Prone to rotting and mold in high-humidity areas
• Less efficient in extremely hot conditions
• May require more frequent replacement

Best for: Residential use, seasonal cooling, and budget-conscious buyers in moderate climates

Honeycomb Cooling Pad

Constructed from durable synthetic materials with a hexagonal honeycomb structure, this pad maximizes surface contact between air and water for enhanced cooling.

Advantages

• High water absorption and retention
• Superior cooling efficiency in large units
• Durable and long-lasting (up to 5+ years)
• Resistant to clogging and mineral deposits
• Aesthetic, modern appearance

Limitations

• Higher cost than aspen pads
• Heavier and bulkier, requiring robust support
• Limited availability in some regions

Best for: Large commercial coolers, industrial applications, and users seeking long-term durability

Indoor vs. Outdoor Air Cooler Nets

Cooling pads are also categorized by installation environment, influencing design, filtration, and protection requirements.

Indoor Nets

• Smaller size, designed for indoor units
• Focused on air purification and quiet operation
• Often paired with pre-filters for dust reduction
• Ideal for bedrooms and living spaces

Outdoor Nets

• Larger surface area for higher airflow
• Enhanced filtration to block leaves, insects, and debris
• UV-resistant and weatherproof materials
• Require protective housing or enclosures

Best for: Indoor: Homes and offices; Outdoor: Patios, warehouses, and open industrial areas

Type	Cooling Efficiency	Lifespan	Maintenance	Best Application
CELDEK	Excellent	4–6 years	Moderate (quarterly cleaning)	Commercial, industrial, dry climates
Aspen	Good	~1 year	Low (easy replacement)	Residential, seasonal use
Honeycomb	Very Good	5+ years	Low to Moderate	Large coolers, long-term installations
Indoor/Outdoor	Varies by material	Depends on type	Indoor: Low; Outdoor: Moderate	Indoor: Homes; Outdoor: Open areas

Expert Tip: To extend the life of any cooling pad, drain and flush the water reservoir weekly during peak use, and perform a deep clean at the start and end of the cooling season to prevent mineral buildup and microbial growth.

Specifications and Maintenance of Air Cooler Nets

Air cooler nets are essential components in evaporative cooling systems, playing a critical role in maximizing cooling efficiency, ensuring clean airflow, and preventing the release of moisture droplets into the environment. Understanding their technical specifications helps buyers choose the right net for residential, institutional, or industrial applications. Equally important is proper maintenance to preserve performance and extend the lifespan of both the net and the cooling unit.

Key Specifications of Air Cooler Nets

When selecting an air cooler net, several technical and material factors must be considered to ensure compatibility with the cooling system and effectiveness in specific environments. Below is a detailed breakdown of the most important specifications.

Size and Dimensions

Air cooler nets come in a variety of standard and custom sizes to fit different cooling units. The dimensions—typically measured in length, width, and thickness—must match the cooler’s frame to ensure full coverage and optimal air contact with the wet surface.

Sizes vary based on application: smaller nets (e.g., 60x60 cm) are common in household room coolers, while larger panels (up to 120x120 cm or more) are used in institutional or industrial cooling systems. Incorrect sizing can lead to bypass airflow, reduced efficiency, and uneven cooling.

Mesh Size (mm)

The mesh size refers to the diameter of the individual openings between the plastic strands, typically ranging from 2–3 mm. This fine structure allows air to pass through while capturing and retaining water droplets, effectively acting as a demister.

A smaller mesh size improves moisture retention and cooling efficiency but may restrict airflow if not properly balanced. Nets with optimal mesh design enhance evaporative cooling by increasing the surface area for water evaporation while minimizing water carryover into the airstream.

Aperture Size (mm)

Aperture size—commonly between 7–12 mm—refers to the distance between adjacent mesh layers or the overall cell size in the honeycomb structure. This dimension directly impacts both airflow dynamics and structural strength.

Larger apertures allow greater airflow with less resistance, ideal for high-velocity cooling systems. However, they may reduce water retention and cooling efficiency. Smaller apertures enhance water contact time and cooling performance but require more powerful fans to maintain airflow. A balanced aperture design ensures efficient cooling without overburdening the motor.

Material Composition

Air cooler nets are primarily made from durable, moisture-resistant plastics. Polypropylene (PP) is the most widely used material due to its excellent tensile strength, chemical resistance, and ability to withstand prolonged exposure to water and UV radiation.

Other materials like PVC or high-density polyethylene (HDPE) may also be used, each offering different trade-offs in flexibility, durability, and cost. The choice of material affects the net’s lifespan, resistance to algae buildup, and ease of cleaning. High-quality materials prevent warping, cracking, and degradation over time.

Color Options

Most air cooler nets are manufactured in black, which helps reduce algae growth by minimizing light penetration through the wet media. However, white, yellow, and gray variants are also available to suit aesthetic preferences or specific installation environments.

While color does not significantly affect cooling performance, darker colors tend to absorb heat, which may slightly reduce efficiency in direct sunlight. Lighter-colored nets reflect heat but may allow more light transmission, potentially encouraging biological growth if not maintained properly.

Structural Design

The internal geometry of the net—often a cross-corrugated or honeycomb pattern—maximizes surface area for water film formation and air contact. This design promotes efficient heat exchange by allowing air to travel through a long, moist pathway.

Advanced designs include anti-drip features, self-supporting rigidity, and interlocking edges for seamless installation. The structural integrity ensures the net remains stable under continuous wet-dry cycles and resists deformation from water weight or airflow pressure.

Specification	Typical Range	Performance Impact
Size (L × W × T)	60–120 cm × 60–120 cm × 10–20 cm	Must match cooler dimensions for full coverage and efficiency
Mesh Size	2–3 mm	Smaller mesh improves demisting; balances airflow and moisture retention
Aperture Size	7–12 mm	Larger apertures increase airflow; smaller ones enhance cooling
Material	Polypropylene (PP), PVC, HDPE	PP offers best durability, chemical resistance, and longevity
Color	Black (standard), White, Yellow, Gray	Black reduces algae; lighter colors reflect heat but may allow light penetration

Essential Maintenance Practices

Regular maintenance of air cooler nets is vital to sustain cooling efficiency, prevent microbial growth, and avoid clogging from dust, minerals, and biological contaminants. A well-maintained net ensures cleaner air output, reduces strain on the cooling system, and extends the service life of the entire unit.

Weekly Cleaning Routine: Rinse the cooler net thoroughly under running water to remove accumulated dust, pollen, and debris. For deeper cleaning, use a mild soap or non-abrasive detergent to break down organic buildup. This prevents clogging and maintains consistent airflow and evaporative efficiency.

Monthly Deep Cleaning: Remove the net from the cooler frame and soak it in warm, soapy water for 30 minutes. Gently scrub with a soft brush to dislodge algae, mineral deposits, or stubborn grime. Avoid harsh chemicals or metal brushes that can damage the plastic structure.

Thorough Drying Before Reinstallation: After cleaning, allow the net to air dry completely in a shaded, well-ventilated area. Installing a damp net can promote mold and mildew growth inside the cooler, compromising air quality and system hygiene.

Inspection for Damage: Regularly check for signs of warping, cracking, or deformation. Replace damaged nets promptly to maintain cooling performance and prevent uneven water distribution or airflow disruption.

Water Quality Management: Use clean, filtered water in the cooler tank to minimize mineral deposits and scaling on the net. In hard water areas, consider periodic descaling with a vinegar solution (1:3 ratio with water) to dissolve calcium buildup.

Important: Neglecting regular maintenance can lead to reduced cooling efficiency, increased energy consumption, and poor indoor air quality due to mold or bacterial growth. Always follow the manufacturer's guidelines for cleaning intervals and compatible cleaning agents. Using incorrect materials or skipping maintenance may void warranties and shorten the lifespan of your cooling system.

Applications of Air Cooler Nets: Versatile Solutions for Agriculture, Livestock, and Outdoor Environments

Air cooler nets are highly versatile, engineered textiles designed to provide shade, reduce heat exposure, and improve microclimates in a wide range of environments. Originally developed for cooling systems in evaporative coolers, their durability, UV resistance, and airflow properties have made them indispensable in agriculture, animal husbandry, and outdoor infrastructure. Below is a comprehensive overview of the most common and impactful applications of air cooler nets.

Shade for Young Trees

Establishing young trees in hot or arid climates can be challenging due to intense solar radiation and heat stress. Air cooler nets are widely used to create protective canopies over saplings, shielding them from direct sunlight while still allowing air circulation and diffused light.

• Reduces leaf scorch and moisture loss in tender foliage
• Encourages healthier leaf development and early fruiting
• Strengthens root systems by maintaining a stable, cooler root zone
• Supports higher survival rates in reforestation and orchard projects

Best practice: Install nets at 60–70% shade density for optimal growth in tropical and subtropical regions.

Livestock Housing Climate Control

Heat stress in cattle, goats, sheep, and other farm animals leads to reduced feed intake, lower weight gain, and decreased milk production. Air cooler nets installed on barns, sheds, and open-sided housing help regulate internal temperatures.

• Blocks up to 80% of solar heat while maintaining ventilation
• Reduces reliance on mechanical cooling systems, cutting energy costs
• Improves animal comfort, leading to better health and productivity
• Extends the lifespan of cooling equipment by reducing operational load

Pro tip: Combine with evaporative cooling pads for maximum efficiency in dry climates.

Poultry Farming Protection

Poultry, especially broilers and layers, are extremely sensitive to high temperatures. Overheating can cause respiratory distress, reduced egg production, and increased mortality. Air cooler nets are preferred over glass or solid panels in poultry houses due to their durability and safety.

• Prevents overheating without compromising airflow
• Serves as a physical barrier against dust, insects, and airborne pathogens
• Reduces the risk of injury from broken glass in traditional cooler units
• Helps maintain consistent internal temperatures, crucial for hatcheries and brooding

Key benefit: Contributes to biosecurity by filtering particulates while allowing fresh air exchange.

Canopies & Outdoor Shading Structures

Air cooler nets are ideal for constructing temporary or permanent shade structures in open areas where traditional roofing is impractical or too costly.

• Used in agricultural fields, sports complexes, beach parks, and event venues
• Provides UV protection and reduces ambient temperature by 5–10°C
• Lightweight and easy to install on tensioned frames or poles
• Resistant to wind, rain, and prolonged sun exposure

Ideal for: Public seating areas, playgrounds, outdoor markets, and emergency shelters.

Bush Regeneration & Ecological Restoration

In degraded or overgrazed landscapes, native vegetation struggles to regenerate. Air cooler nets offer a cost-effective microclimate solution for protecting seedlings and young plants during critical growth phases.

• Shields emerging shoots from desiccating winds and intense sunlight
• Allows sufficient light penetration for photosynthesis
• Reduces competition from invasive species by creating controlled growth zones
• Supports biodiversity recovery in rewilding and conservation projects

Environmental impact: Promotes sustainable land rehabilitation with minimal infrastructure.

Greenhouse Temperature Management

While greenhouses protect plants from pests and weather, they often trap excessive heat, creating a hostile environment for many crops. Air cooler nets are used as internal or external shading layers to moderate solar gain.

• Diffuses harsh sunlight to prevent leaf burn on sensitive crops
• Reduces internal temperatures without blocking essential light spectrum
• Can be rolled or automated for seasonal or daily climate control
• Extends growing seasons in hot climates

Technical note: 50% shade nets are optimal for most vegetable and ornamental greenhouses.

Crop Protection from Wind and Sun

Fragile crops like seedlings, leafy greens, and flowering plants are vulnerable to wind damage and sunburn. Air cooler nets act as a dual-purpose shield against both elements.

• Reduces wind speed, preventing stem breakage and soil erosion
• Mitigates evapotranspiration, conserving soil moisture
• Protects against hail and sand abrasion in exposed areas
• Enhances recovery and growth rates in stressed plants

Farmers’ advantage: Increases yield and reduces crop loss during extreme weather events.

Horticulture & Ornamental Landscaping

In parks, gardens, and urban landscapes, maintaining ornamental plants requires protection from environmental stress. Air cooler nets are used to create shaded nurseries and acclimatization zones for sensitive species.

• Protects exotic flowers, ferns, and shade-loving shrubs from sun damage
• Speeds up transplant adaptation by reducing shock
• Used in botanical gardens and urban greening projects
• Available in aesthetic colors and mesh patterns for visual integration

Design tip: Green or black nets blend naturally with garden settings while maximizing heat absorption control.

Expert Recommendation: When selecting air cooler nets, consider the shade percentage (ranging from 30% to 90%), UV stabilization, and tensile strength based on your specific application. For agricultural use, 50–70% shade nets with anti-aging additives offer the best balance of performance and longevity. Always secure edges properly to withstand wind loads and ensure even coverage.

Application	Recommended Shade Density	Key Benefits	Lifespan (Approx.)
Tree Saplings & Orchards	60–70%	Heat protection, improved growth	3–5 years
Livestock Sheds	70–80%	Heat stress reduction, energy savings	4–6 years
Poultry Houses	70%	Ventilation + pathogen barrier	3–4 years
Greenhouses	50–60%	Temperature control, light diffusion	5+ years (UV-stabilized)
Outdoor Canopies	80%	Human comfort, UV protection	3–5 years
Bush Regeneration	50–60%	Seedling protection, moisture retention	2–3 years

Additional Benefits and Considerations

• Cost-Effective: Significantly cheaper than permanent roofing or mechanical cooling systems
• Reusable: High-quality nets can be relocated and reused across seasons or sites
• Eco-Friendly: Reduces energy consumption and supports sustainable farming practices
• Easy Installation: Lightweight and compatible with simple support structures
• Versatility: Available in various colors, densities, and sizes for customized applications

How to Choose Air Cooler Nets: A Comprehensive Guide for Wholesale Buyers

Selecting the right air cooler nets is essential for ensuring optimal cooling performance, customer satisfaction, and inventory turnover. Whether supplying to residential, commercial, or industrial clients, wholesale buyers must evaluate several key parameters before making bulk purchases. This guide provides a detailed breakdown of the most important factors—size, material, performance, design, and brand—to help you make informed decisions and stock high-demand, high-performance products.

Important Note: Air cooler nets (also known as evaporative cooling pads) are critical components in evaporative coolers. Their quality directly affects cooling efficiency, energy consumption, and system longevity. Choosing the wrong net can lead to poor airflow, increased maintenance, and reduced customer satisfaction.

Key Parameters for Selecting Air Cooler Nets

1. Size Compatibility

   Air cooler nets are manufactured in a wide range of dimensions to accommodate various cooler models—from compact portable units to large industrial evaporative systems. It’s crucial to match the net dimensions precisely with the cooler’s frame to ensure a snug fit and maximum surface coverage.

   • Measure the height, width, and thickness required by the cooler model
   • Common thicknesses include 4", 6", and 12" (100mm, 150mm, 300mm)
   • Custom sizes may be available from manufacturers for specialized applications
   • Offer multiple standard sizes to cater to a broader customer base
2. Material Composition

   The material of the cooling pad significantly influences cooling efficiency, durability, and maintenance needs. The three primary materials used in air cooler nets are:

   • Synthetic Fiber (e.g., PVC or Celdek): Durable, resistant to mold and algae, and easy to clean. Ideal for commercial and industrial applications where longevity and low maintenance are priorities.
   • Cellulose Fiber: Made from treated paper-like material, it offers excellent water absorption and cooling performance. Requires periodic replacement but is cost-effective for residential use.
   • Aspen Wood Shavings: Natural, biodegradable, and highly effective at moisture retention. Preferred by many consumers for their eco-friendliness and strong cooling effect. However, they may degrade faster in humid environments and require more frequent replacement.

   Recommendation: Stock a variety of materials to meet diverse customer needs—residential buyers often prefer aspen wood, while commercial clients may lean toward synthetic or cellulose options.

3. Performance Metrics

   Performance is the most critical factor in determining the effectiveness of an air cooler net. Key performance indicators include:

   • Cooling Efficiency: Refers to the temperature drop (typically 70–90% wet-bulb effectiveness) achieved as air passes through the wet pad. Higher efficiency means better comfort in hot, dry climates.
   • Moisture Retention: High retention ensures prolonged evaporation, enhancing cooling output. Aspen and cellulose generally outperform synthetic materials in this area.
   • Evaporation Rate: Determines how quickly water is converted to vapor. A balanced rate prevents over-saturation while maximizing cooling.
   • Dust Holding Capacity: Helps filter airborne particles, improving indoor air quality—especially important in dusty environments.
   • Breathability & Airflow Resistance: The net should allow smooth airflow with minimal pressure drop to maintain fan efficiency and reduce energy use.
   • Water Resistance & Durability: Resists rot, mold, and mineral buildup, especially important in areas with hard water.
4. Design and Structure

   The internal structure of the cooling pad affects airflow dynamics and cooling performance. The main design types include:

   • Vertical Cross-Flute: Features closely spaced vertical channels. Offers high surface area for evaporation and is widely used in standard coolers. Provides consistent cooling with moderate airflow.
   • Horizontal Cross-Flute: Designed with horizontal flutes that allow greater air passage, reducing static pressure. Ideal for high-velocity systems where airflow is prioritized.
   • Hybrid (V-H) Design: Combines both vertical and horizontal flute patterns to optimize both cooling efficiency and airflow. Offers superior performance in demanding environments and is increasingly popular in premium coolers.

   Tip: Hybrid designs often command higher prices but deliver better ROI for customers due to improved efficiency and longer service life.

5. Brand Reputation and Reliability

   Established brands in the evaporative cooling industry are known for consistent quality, technical innovation, and reliable supply chains. Carrying branded products enhances buyer confidence and reduces return rates.

   • Top brands include Coolmaster, Bonaire, Day & Night, Celdek, and Munters
   • Branded nets often come with performance guarantees and compatibility certifications
   • Wholesalers benefit from faster inventory turnover and stronger retailer partnerships when stocking recognized brands
   • Consider private-label options for cost advantages, but ensure they meet industry standards

Selection Factor	Best For	Pros	Cons
Aspen Wood	Residential, Dry Climates	Natural, high cooling, eco-friendly	Shorter lifespan, frequent replacement
Cellulose	Commercial, Moderate Use	Balanced performance, affordable	Can degrade with poor water quality
Synthetic (PVC/Celdek)	Industrial, High-Demand Systems	Durable, low maintenance, long life	Higher initial cost, lower moisture retention
Hybrid Design	Premium Coolers, Harsh Environments	Superior cooling and airflow	More expensive, limited availability

Expert Tip: Offer product bundles or kits that include cooling pads, water treatment additives, and cleaning tools. This not only increases average order value but also positions your business as a solutions provider, enhancing customer loyalty and repeat purchases.

Additional Buying Tips for Wholesalers

• Request product samples before placing bulk orders to test cooling performance and durability
• Check for compliance with industry standards (e.g., ISO, ASHRAE) where applicable
• Maintain relationships with multiple suppliers to ensure supply chain resilience
• Monitor customer feedback to identify top-performing products and emerging trends
• Provide technical specifications and installation guides to your retail partners for better customer support

Choosing the right air cooler nets involves balancing performance, cost, and customer demand. By focusing on size accuracy, material suitability, performance metrics, design efficiency, and trusted brands, wholesale buyers can build a competitive, high-turnover inventory that meets the needs of both retailers and end users. As evaporative cooling gains popularity for its energy efficiency and environmental benefits, strategic product selection will position your business for long-term success.

Air Cooler Q&A: How They Work, Efficiency, and Usage Tips

Q1: How does an air cooler work without water?

Air coolers are primarily designed to use water as part of their cooling mechanism through evaporative cooling. However, they can still operate without water—though with significantly reduced effectiveness. Here's how:

• Basic Fan Function: When used without water, an air cooler functions similarly to a regular fan, circulating air to create a wind-chill effect that makes you feel cooler, even if the actual air temperature doesn't drop.
• Humidity Factor: In dry climates, the absence of water limits the evaporative cooling process. However, if ambient humidity is already low, adding moisture via water enhances cooling. Without water, this benefit is lost.
• Heat Absorption: While the cooler doesn't "absorb" heat from the environment like an air conditioner, moving air helps evaporate sweat from your skin, which contributes to a cooling sensation.

Important Note: Running an air cooler without water defeats its primary purpose. For optimal performance, always use water and ensure the cooling pads are saturated, especially in hot, dry conditions.

Q2: Which is better—an air cooler or an air conditioner?

The choice between an air cooler and an air conditioner depends on climate, budget, energy efficiency goals, and personal comfort needs. Below is a detailed comparison:

Feature	Air Cooler	Air Conditioner
Cooling Mechanism	Evaporative cooling (water + airflow)	Refrigerant-based heat exchange
Best Climate	Dry, hot environments (low humidity)	All climates, especially humid areas
Energy Consumption	Low (typically 50–200 watts)	High (750–3500+ watts)
Environmental Impact	Low (no refrigerants, uses water)	Higher (uses greenhouse gas refrigerants)
Installation & Cost	Affordable, portable, minimal setup	Expensive, fixed units may require professional installation
Air Quality	Adds moisture; requires fresh air intake	Recirculates indoor air; may dry it out

Conclusion: Air coolers are ideal for dry climates and budget-conscious users seeking eco-friendly cooling. Air conditioners provide powerful, consistent cooling in any weather but at higher cost and energy use. Your decision should align with your environment and priorities.

Q3: Does an air cooler consume a lot of electricity?

No, air coolers are highly energy-efficient compared to traditional air conditioners. Here’s a breakdown of their power usage:

• Typical Power Range: Most household air coolers consume between 50 to 200 watts, depending on size and fan speed. Larger industrial models may use up to 300–400 watts.
• Comparison with ACs: A standard window air conditioner uses 750–1500 watts, while central AC units can draw 2,000–5,000 watts. This makes air coolers up to 90% more energy-efficient in many cases.
• Running Cost Example: Running a 100-watt air cooler for 8 hours consumes 0.8 kWh—costing roughly $0.10 per day (based on average electricity rates), versus $0.60–$1.50 for an AC.
• Portability & Efficiency: Since they don’t require compressors or refrigerants, air coolers generate less heat and use minimal electricity, making them excellent for long-term use.

They are a cost-effective solution for staying cool during summer, especially in regions with high electricity costs or frequent power outages.

Q4: Can air coolers be used in closed rooms?

Using an air cooler in a completely closed room is not recommended for both performance and health reasons:

• Reduced Cooling Efficiency: Air coolers rely on evaporative cooling, which requires a constant supply of fresh, dry air. In a sealed room, humidity builds up quickly, reducing the evaporation rate and diminishing cooling power.
• Increased Humidity: As water evaporates, indoor humidity rises. High humidity can make the air feel sticky and uncomfortable, counteracting the cooling effect.
• Poor Air Quality: Without ventilation, stale air accumulates, reducing oxygen levels and potentially increasing airborne contaminants. This can cause drowsiness, headaches, or respiratory discomfort over time.
• Best Practice: Keep doors or windows slightly open to allow airflow. This ensures a steady intake of dry air and exhaust of moist air, maximizing cooling efficiency and maintaining healthy indoor air quality.

For optimal results, place the air cooler near a window or door where cross-ventilation is possible. If you must use it in a semi-closed space, consider pairing it with an exhaust fan to remove humid air.