Equations (List)

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Equations (List)

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General

Net Area of Roof

Net Area of Walls

Converting Air Changes per Hour to CFM (Ventilation)

Converting Air Changes per Hour to CFM (Infiltration)

Heat Loss Equations

Heat Loss Due to Walls, Doors, Glass, Roofs, and Floors

Heat Gain and Loss for Partition Walls

Total Heat Loss Due to the Structural Components of a Room

Heat Loss Due to Ductwork

Heat Loss due to Infiltration and/or Ventilation for the Entire Building

Heat Loss Through A Slab

Heat Loss For Below Grade Walls

Total Heat Loss Per Room

Heat Loss Due To Hot Water Piping

Heat Loss for Entire Building

Heat Gain Equations

Heat Gain for Walls, Doors, Roofs, and Floors

Heat Gain and Loss for Partition Walls

Heat Gain for Glass Not Shaded by an Overhang (Including Glass Doors and Skylights)

Height of Unshaded Portion of Glass

Heat Gain for Glass Shaded by an Overhang

Total Sensible Heat Gain due to Structural Components of a Room

Sensible Heat Gain due to People

Latent Heat Gain due to People

Sensible Heat Gain Due to Lights

Sensible Heat Gain Due to Equipment or Appliances

Latent Heat Gain Due to Equipment or Appliances

Heat Gain Due To Blower Motor

Sensible Heat Gain due to Ductwork

Total Building Sensible Heat Gain Due to Infiltration or Ventilation

Total Building Latent Heat Gain Due to Infiltration or Ventilation

Sensible Heat Gain of a Room

Total Sensible Heat Gain of a Building

Total Latent Heat Gain of a Building

Total Tonnage Required

Grains Difference

CFM Equations

Total Supply CFM Requirement for Heating

Total CFM Requirement for Cooling

Heating Supply CFM Requirement Per Room

Cooling Supply CFM Requirement Per Room

Duct Size Equations

Equivalent Length of Fitting

Barometric Pressure

Air Density

Velocity

Velocity pressure

Equivalent Circular Diameter (Rectangular)

Reynolds number

Friction Factor

Colebrook equation