Equipment Total Cooling Load Calculator

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Cooling Loads

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Sensible Cooling Loads

✖Sensible Cooling Load is the heat added or removed from conditioned space by means of roof, ceiling, floor or windows.ⓘ Sensible Cooling Load [Q_{per hour}]			+10% -10%
✖The Latent Factor is approximated latent cooling load.ⓘ Latent Factor [L_F]			+10% -10%

✖Total Cooling Load is heat transferred through the building envelope and heat generated by occupants, equipment, and lights.ⓘ Equipment Total Cooling Load [Q_T]

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Formula

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Equipment Total Cooling Load

Formula

`"Q"_{"T"} = "Q"_{"per hour"}*"L"_{"F"}`

Example

`"10Btu/h"="8Btu/h"*"1.25"`

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Equipment Total Cooling Load Solution

STEP 0: Pre-Calculation Summary

Formula Used

Total Cooling Load = Sensible Cooling Load*Latent Factor
Q_T = Q_{per hour}*L_F
This formula uses 3 Variables

Variables Used

Total Cooling Load - (Measured in Watt) - Total Cooling Load is heat transferred through the building envelope and heat generated by occupants, equipment, and lights.
Sensible Cooling Load - (Measured in Watt) - Sensible Cooling Load is the heat added or removed from conditioned space by means of roof, ceiling, floor or windows.
Latent Factor - The Latent Factor is approximated latent cooling load.

STEP 1: Convert Input(s) to Base Unit

Sensible Cooling Load: 8 Btu (th) per Hour --> 2.3429999999432 Watt (Check conversion here)
Latent Factor: 1.25 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Q_T = Q_{per hour}*L_F --> 2.3429999999432*1.25

Evaluating ... ...

Q_T = 2.928749999929

STEP 3: Convert Result to Output's Unit

2.928749999929 Watt -->9.99999999999999 Btu (th) per Hour (Check conversion here)

FINAL ANSWER

9.99999999999999 ≈ 10 Btu (th) per Hour <-- Total Cooling Load

(Calculation completed in 00.004 seconds)

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Created by Rudrani Tidke

Cummins College of Engineering for Women (CCEW), Pune

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Osmania University (OU), Hyderabad

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< 12 Cooling Loads Calculators

Corrected Cooling Load Temperature Difference given Cooling Load Temperature Difference

Go Corrected cooling load Temperature difference = Cooling Load Temperature Difference+Latitude Month Correction+(78-Room Temperature)+(Average Outside Temperature-85)

Solar radiation cooling load for glass

Go Solar Radiation Cooling Load for Glass = Maximum Solar Heat Gain Factor*Area of Glass*Shading coefficient*Cooling Load Factor for Glass

Sensible Cooling load from ventilation air

Go Sensible cooling loads from ventilation air = 1.1*Air ventilation rate in Cubic foot per minute*Temperature change between Outdoor and Inside air

Cooling load for roof, wall or glass given Corrected Cooling Load Temperature Difference

Go Cooling load = Overall Heat Transfer Coefficient*Area of Roof*Corrected cooling load Temperature difference

Total heat removed from ventilation air

Go Total Heat removed from Ventilation Air = Sensible cooling loads from ventilation air+Latent cooling loads from ventilation air

Cooling load from lighting

Go Cooling Load from Lighting = 3.4*Lighting Capacity*Ballast Factor*Cooling Load Factor for Lighting

Sensible Cooling Load due to infiltrating air

Go Sensible Cooling Load = 1.1*Air Infiltration Rate into Room*Temperature change between Outdoor and Inside air

Average outside temperature on design day

Go Outside Temperature = Outside design dry Bulb Temperature-(Daily temperature range/2)

Air infiltration rate into room (CFM)

Go Air Infiltration Rate into Room = Number of air changes per hour*(Room Volume/60)

Sensible Cooling load due to Equipment

Go Sensible Cooling Load = Total Cooling Load/Latent Factor

Total Cooling Load due to Equipment

Go Total Cooling Load = Sensible Cooling Load*Latent Factor

Equipment Total Cooling Load

Go Total Cooling Load = Sensible Cooling Load*Latent Factor

Equipment Total Cooling Load Formula

Total Cooling Load = Sensible Cooling Load*Latent Factor
Q_T = Q_{per hour}*L_F

What is cooling load calculation?

Space Cooling Load – is the rate at which energy must be removed from a space to maintain a constant space air temperature. Space Heat Extraction Rate - the rate at which heat is removed from the conditioned space and is equal to the space cooling load if the room temperature remains constant.

How to Calculate Equipment Total Cooling Load?

Equipment Total Cooling Load calculator uses Total Cooling Load = Sensible Cooling Load*Latent Factor to calculate the Total Cooling Load, Equipment Total Cooling Load formula is defined as the heat transferred through the building envelope (walls, roof, floor, windows, doors etc.) and heat generated by equipment. Total Cooling Load is denoted by Q_T symbol.

How to calculate Equipment Total Cooling Load using this online calculator? To use this online calculator for Equipment Total Cooling Load, enter Sensible Cooling Load (Q_{per hour}) & Latent Factor (L_F) and hit the calculate button. Here is how the Equipment Total Cooling Load calculation can be explained with given input values -> 34.14426 = 2.3429999999432*1.25.

FAQ

What is Equipment Total Cooling Load?

Equipment Total Cooling Load formula is defined as the heat transferred through the building envelope (walls, roof, floor, windows, doors etc.) and heat generated by equipment and is represented as Q_T = Q_{per hour}*L_F or Total Cooling Load = Sensible Cooling Load*Latent Factor. Sensible Cooling Load is the heat added or removed from conditioned space by means of roof, ceiling, floor or windows & The Latent Factor is approximated latent cooling load.

How to calculate Equipment Total Cooling Load?

Equipment Total Cooling Load formula is defined as the heat transferred through the building envelope (walls, roof, floor, windows, doors etc.) and heat generated by equipment is calculated using Total Cooling Load = Sensible Cooling Load*Latent Factor. To calculate Equipment Total Cooling Load, you need Sensible Cooling Load (Q_{per hour}) & Latent Factor (L_F). With our tool, you need to enter the respective value for Sensible Cooling Load & Latent Factor and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Total Cooling Load?

In this formula, Total Cooling Load uses Sensible Cooling Load & Latent Factor. We can use 1 other way(s) to calculate the same, which is/are as follows -

Total Cooling Load = Sensible Cooling Load*Latent Factor

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