HVAC Formulas & Equations Quick-Card By Builder's Book, Inc. This 4-page, full-color card quickly covers essential heating, ventilation and air conditioning (HVAC) formulas and equations. Features:
HVAC Rules-of-Thumb
Fans (Basic Fan Laws, More Fan Equations)
Ductwork and Air Flow
Equivalent Duct Sizes
Air Flow in a Duct
Required Main Duct Sizes (table)
Air Flow for HVAC (Sensible Heat)
Ductwork Pressures
Pressure Drop in HVAC Air Ducts
Reynolds Number
Heat Loss or Gain (Buildings)
Steam Heating or Cooling
Common HVAC Formulas for Air and Water
Energy Efficiency Calculations
Energy Efficiency Ratio (EER)
Coefficient of Performance (COP)
Seasonal Energy Efficiency Ratio (SEER)
Heating Seasonal Performance Factor (HSPF)
Annual Fuel Utilization Efficiency (AFUE)
Useful Conversions
R-Value
AC Condensate Flow
Combustion Air-Opening Sizes (table)
Published/Edition: 2007 / Publisher: Builder's Book, Inc.