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Performance Comparison Table of Similar Cooling Products

Negative Pressure Fan / Environmental Air Conditioner / Kemite Energy-saving Air Conditioner / Central Air Conditioner Performance Comparison Table

Type

Negative Pressure Fan

Environmental Air Conditioner

Kemite Energy-saving Air Conditioner

Central Air Conditioner

Comparison Items

Example with a common 1380 model and wet curtain
Construction Cost 1 unit including installation of wet curtain costs about 3800 RMB 1 unit including installation of ductwork costs about 12,000 RMB KMT-160H including installation of ductwork costs about 26,000 RMB 10 HP including installation of ductwork costs about 38,000 RMB
Power Consumption per Hour 1.2 kWh per hour 1.5 kWh per hour 5 kWh per hour 9 kWh per hour
Daily Power Consumption (10 hours of operation) 1.1 kWh x 10 hours = 11 kWh 1.5 kWh x 10 hours = 15 kWh 5 kWh x 10 hours = 50 kWh 9 kWh x 10 hours = 90 kWh
Annual Power Cost (9 months per year, 28 days per month, 1 kWh at 1 RMB) 1.1 kWh x 10 hours = 11 RMB, annual cost: 11 x 28 x 9 = 2,772 RMB 1.5 kWh x 10 hours = 15 RMB, annual cost: 15 x 28 x 9 = 3,780 RMB 5 kWh x 10 hours = 50 RMB, annual cost: 50 x 28 x 9 = 12,600 RMB 9 kWh x 10 hours = 90 RMB, annual cost: 90 x 28 x 9 = 22,680 RMB
Outlet Temperature when Outdoor Temperature is 35°C Mainly for ventilation, can reduce temperature by about 3°C when used with a wet curtain 30-32°C 20-25°C 20-25°C
Outlet Humidity when Outdoor Temperature is 35°C No humidity produced, if used with a wet curtain, humidity is 80-90% 80-90% 50-55% 50-55%
Cooling Effect × × √ √
Ventilation Effect √ √ √ √
Constant Temperature No No Yes Yes
Humidity Control Yes Yes No No
Dehumidification No No Yes Yes
Easy Installation × × √ ×
Easy Maintenance × × √ ×
Independent Control √ √ √ ×
Easy to Dismantle and Reuse × × √ ×
Risk of Rust and Aging of Factory Equipment Yes Yes No No
Impact on Production in Case of Failure No significant impact No significant impact No significant impact No significant impact
Energy-saving √ √ √ ×
Water-saving × × √ ×
Space-saving √ √ √ ×
Need for Other Equipment or Appliances Need to close windows and doors, need to turn on lights Can close or not close windows and doors Need to close windows and doors Need to close windows and doors
Maintenance Cycle All wet curtains need to be replaced every 4 years Maintenance cycle depends on the site conditions, clean the wet curtains as needed Maintenance cycle depends on the site conditions, clean the wet curtains as needed Maintenance cycle depends on the site conditions, clean the cooling towers as needed
Application Fields Industrial, agricultural, livestock Industrial Industrial, commercial, livestock, agricultural, residential Industrial, commercial
Summary: The negative pressure fan with a wet curtain and the environmental air conditioner cannot fundamentally lower the temperature to a comfortable level for humans, and they are difficult to install and maintain, with high humidity and a short service life. Although central air conditioning has good effects, it requires a large investment and consumes a lot of water and electricity during later use, requiring professional maintenance personnel and having low reusability. The Kemite energy-saving air conditioner is the most cost-effective cooling product.

Energy Efficiency Comparison Table of Kemite Evaporative Air Conditioner and Traditional Air Conditioner

Comparison table of energy efficiency between the Kemite 60H Evaporative Air Conditioner and traditional air conditioners - for commercial use

Comparison Item Kemite Energy-Efficient Evaporative Air Conditioner Traditional Air Conditioner
Model Number KMT-60H 3HP
Cooling Area (m²) 40-60m² 40-60m²
Efficiency Ratio (COP) 4.39 2.8 (Inverter 3.6)
Operating Voltage (V) 220V 220V
Average Power Consumption (KW/hour) 1.6 kW/h 3 kW/h
Daily Power Consumption (KW)
Running 13 hours per day		 1.6×13=20.8KW 3×13＝39KW
Monthly Power Consumption (KW)
Running 30 days per month		 20.8×30 days=624KW 39×30 days＝1170KW
Annual Power Consumption (KW)
Running 8 months per year for cooling		 624×8=4992KW 1170×8＝9360KW
Annual Electricity Cost Required
Assuming 1 KW electricity costs 1 unit		 4992KW×1 unit＝4992 units/air conditioner/year 9360KW×1 unit=9360 units/air conditioner/year
Annual Cost Savings per Air Conditioner (units) 9360 units/air conditioner/year - 4992 units/air conditioner/year = 4992 units/air conditioner/year
Annual Cost Savings with 2 Air Conditioners Installed (VND) 4992 units/air conditioner/year × number of installed air conditioners 2 = total savings of 9360 units/year

Kemite 60H Luxury Evaporative Cooling Air Conditioner Energy Saving Comparison Table --- For Commercial Use

Comparison Item Kemite Evaporative Cooling Energy-Saving Air Conditioner Traditional Air Conditioner
Model KMT-90H 5P
Cooling Area (㎡) 70-90m² 70-90m²
Energy Efficiency Ratio (COP) 4.39 2.8 (Inverter 3.6)
Operating Voltage (V) 220V 380V
Average Power Consumption (KW/hour) 2.5 kW/h 5 kW/h
Daily Power Consumption per Unit (KW)
Running for 13 hours a day		 2.5×13=32.5KW 5×13=65KW
Monthly Power Consumption per Unit (KW)
Running for 30 days a month		 32.5×30 days=975KW 65×30 days=1950KW
Annual Power Consumption per Unit (KW)
Running for 8 months a year		 975×8=7800KW 1950×8=15600KW
Annual Electricity Cost per Unit
Electricity rate at 1 RMB per kWh		 7800KW×1 RMB=7800 RMB/year 15600KW×1 RMB=15600 RMB/year
Annual Savings per Unit (RMB) 15600 RMB/year/unit - 7800 RMB/year/unit = 7800 RMB/year/unit
Annual Savings for 2 Units (RMB) 7800 RMB/year/unit × 2 units = Total project savings of 15600 RMB/year

Kemite 160H Evaporative Cooling Air Conditioning Energy Saving Comparison Table --- Industrial Use

Comparison Item Kemite Evaporative Cooling Energy-saving Air Conditioning Traditional Air Conditioning
Model KMT-160H 10HP
Cooling Area (㎡) 100-150㎡ 100-150㎡
Coefficient of Performance (COP) 4.39 2.8
Supply Voltage (V) 380V 380V
Average Power Consumption (KW/hour) 5 kW/h 9 kW/h
Daily Power Consumption per Unit (KW)
Running for 10 hours a day		 5×10=50KW 9×10=90KW
Monthly Power Consumption per Unit (KW)
Running for 28 days a month		 50×28 days=1400KW 90×28 days=2520KW
Annual Power Consumption per Unit (KW)
Running for 9 months a year		 1400×9=12600KW 2520×9=22680KW
Annual Electricity Cost per Unit
1 RMB per kWh		 12600KW×1 RMB=12600 RMB/year 22680KW×1 RMB=22680 RMB/year
Annual Savings per Unit (RMB) 22680 RMB/year/unit - 12600 RMB/year/unit = 10080 RMB/year/unit
Annual Savings for a Total Installation of 8 Units 10080 RMB/unit/year × 8 units = Total project saves 80640 RMB in one year, break-even in two years

Relationship between Temperature and Productivity

The National Aeronautics and Space Administration (NASA) discovered and reported in the Heat Stress Report CR-1205(1) that if the temperature exceeds 32 ℃, it will have a negative impact on work productivity and accuracy. The table on the right summarizes the relationship between temperature and work output and accuracy as tested by NASA.

Human Comfort Zone

The human comfort zone is also known as the thermal comfort zone, which refers to the range of temperatures and humidity conditions that most people find comfortable. This means that humans are likely to achieve their optimal production state when working in this zone.

Air Conditioning Application Environment Design Guide

Cooling load required for different environments (for places with higher temperature requirements, the main unit can be appropriately increased to enhance cooling capacity)

Building Cooling Load w/m² Occupancy m²/person Lighting w/m² Air Supply 1s/m²
Sensible Cooling Load Total Cooling Load
Office Central Area 65 95 10 60 3
Periphery 110 160 10 60 6
Personal Office 160 240 15 60 8
Meeting Room 185 270 3 60 9
School Classroom 180 190 2.5 40 9
Library 180 190 6 30 9
Cafeteria 150 260 1.5 30 10
Apartment High-rise, South-facing 110 160 10 20 10
High-rise, North-facing 80 130 10 20 9
Theater, Auditorium 10 260 1 20 12
Laboratory 150 230 10 50 10
Library, Museum 95 150 10 40 8
Hospital Surgery Room 110 380 6 20 8
Public Area 50 150 10 30 8
Clinic, Health Center 130 200 10 40 10
Barber Shop, Beauty Salon 110 200 4 50 10
Department Store Basement 150 250 1.5 40 12
Middle Floor 130 225 2 60 10
Top Floor 110 200 3 40 8
Pharmacy 110 210 3 30 10
Retail Store 110 160 2.5 40 10
Boutique 110 160 5 30 10
Bar 110 260 2 15 10
Restaurant 110 320 2 17 12
Hotel Room 80 130 10 15 7
Public Area 110 160 10 15 8
Factory Assembly Room 150 260 3.5 45 9
Light Industry 160 260 15 30 10
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Under the technical guidance of Dr. Zhang Xuejun from the Institute of Refrigeration and Cryogenics at Zhejiang University, combined with Kemite's own national patented technology, the cooling system of the energy-saving air conditioner can effectively accelerate cooling with a dual effect. The energy efficiency COP during cooling is as high as 4.39, and the comprehensive energy consumption can be saved by 50% (Patent No.: 2017213599918, 2017213941182)

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