HVAC Abbreviations

• Tags: HVAC Abbreviations

A

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Air Conditioning (AC)
• Air Handling Unit (AHU)
• Alternating Current (AC)

B

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• British Thermal Unit (BTU)

C

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Chilled Water (CHW)
• Chilled Water Pump (CHWP)
• Chilled Water Return (CHWR)
• Chilled Water Return Temperature (CHWRT)
• Chilled Water Supply (CWS)
• Chilled Water Supply Temperature (CWST)
• Cooling Load Factor (CLF)
• Cooling Load Temperature Difference (CLTD)
• Cooling Tower (CT)

D

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Demand Controlled Ventilation (DCV)
• Dew Point (DP)
• Digital Input (DI)
• Digital Output (DO)
• Direct Current (DC)
• Direct Digital Control (DDC)
• Discharge Air (DA)
• Dry Bulb (DB)
• Duct Heater (DH)

E

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Electric Heater (EH)
• Electric Unit Heater (EUH)
• Energy Efficiency Ratio (EER)
• Energy Management System (EMS)
• Entering Air Temperature (EAT)
• Entering Water Temperature (EWT)
• Exhaust Fan (EF)

F

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Facility Management System (FMS)
• Fan Coil Unit (FCU)
• Feed Water (FW)

G

H

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Heat Exchanger (HX)
• Heat Recovery (HR)
• Heat Recovery Unit (HRU)
• Heat Recovery Ventilator (HRV)
• Heating Seasonal Performance Factor (HSPF)
• Heating Ventilation and Air Conditioning (HVAC)
• High Pressure Steam (HPS)
• Hot Water Pump (HWP)
• Hot Water Return (HWR)
• Hot Water Supply (HWS)

I

J

K

L

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Leaving Air Temperature (LAT)
• Leaving Water Temperature (LWT)
• Local Operating Network (LON)
• Low Pressure (LP)
• Low Pressure Steam (LPS)

M

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Mixed Air (MA)
• Mixed Air Temperature (MAT)

N

O

P

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Pressure Differential (PD)
• Pressure Relief Valve (PRV)

Q

R

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Relative Humidity (RH)
• Return Air (RA)
• Return Fan (RF)

S

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Seasonal Energy Efficiency Ratio (SEER)
• Sensible Heat Ratio (SHR)
• Set Point (SP)
• Static Pressure (SP)
• Steam Working Pressure (SWP)
• Supply Air (SA)
• Supply Air Temperature (SAT)

T

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Temperature (T)
• Thermostat (TSTAT)
• Thermostatic Expansion Valve (TEV)

U

V

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Variable Speed Drive (VSD)

W

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Wet Bulb (WB)

X

Y

Z