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Energy Savings - Indirect  Evaporative Cooling Concepts
Humisteam Xplus - Carel USA
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For every 100 lbs/hr of atomized water, over 105,000 btu’s of heat is absorbed from the air. This can result in savings of up to 40% in energy costs.

Example:

A 10,000 cfm Air Handling Unit with intake air of 95 ° F and required cooling to 40 ° F saturated suction temperature requires 1,060,000 btu’s/hr.

CFM

10,000

Intake Air

95

Saturated Suction Temperature

40

Btu's/Hr Required

1,060,000

Energy Consumption

100.1 Kw/Hr

Cost Per KW/Hr (based on $0.10 per KW/hr)

$11.00

With the use of a humiFog ™ 220lbs/hr pumping station, atomizing manifold and a heat exchanger at 65% efficiency , 235,400 Btu’s/Hr of cooling is exchanged resulting in a net cooling load of 153,218 Btu/Hr to the intake air.

CFM

10,000

Intake Air

81

Saturated Suction Temperature

40

Btu's/Hr Required

718243

Energy Consumption

68.4 Kw/Hr

Net Operating Cost

$7.51

Cost Per KW/Hr (based on $0.10 per KW/hr)

$0.10

Cost For RO Water $4.00/1000 Gals

$0.11

Total Cost Per Kw/Hr(based on $0.10 per KW/hr)

$7.72

Energy Savings of 29.9% or $6560.00
Based on annual operating hours of 2000

     
When developing this sophisticated product, CAREL fitted its labs with a complete and modern test air handling unit, including heat recovery unit, as seen below.
air handling unit

 

 

 
 
 
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