HVAC/DFT Terms
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- ACD
- Air Control Damper
- ACFM
- Actual Cubic Feet per Minute
Example: Measurement (Airflow) - AGA
- American Gas Association
More Info: http://www.aga.org/ - AHU
- Air Handling Unit
- AIHA
- American Industrial Hygiene Association
More Info: http://www.aiha.org - AMCA
- Air Movement & Controls Association
More Info: http://www.amca.org/ - ANSI
- American National Standards Institute
More Info: http://www.ansi.org/ - ARI
- Air-Conditioning & Refrigeration Institute
More Info: http://www.ari.org/ - ASHRAE
- American Society of Heating Refrigeration and Air Conditioning Engineers
More Info: http://www.ashrae.org/ - ASTM
- American Society of Test and Measurement
More Info: http://www.astm.org/ - AWG
- American Wire Gauge
- BMS
- Building Management System
- BOCA
- Building Officials and Code Administrators International
More Info: http://www.iccsafe.org/ - CE
- Compliance European
- CES
- Commercial Environmental Systems
- CFM
- Cubic Feet per Minute
Example: Measurement (Airflow) - CGA
- Canadian Gas Association
More Info: http://www.cga.ca/ - COP
- Coefficient of Performance
- CSA
- Canadian Standards Association
More Info: http://www.csa.ca/ - DB
- Dry Bulb Temperature
Example: DB Temperature - DDC
- Direct Digital Controller
- DFT
- Demand Flow Technology
- Dx
- Direct Expansion
Example: Dx Coil - EATR
- Exhaust Air Transfer Ratio
- ECM
- Environmental Control Module
- EER
- Energy Efficiency Ratio
- EMC
- Electromagnetic Compatibility
- ERV
- Energy Recovery Ventilator
- ETL
- Electrical Testing Laboratories
- FLA
- Full Load Amperes
- FMS
- Flow Measuring Station
- FOB
- Free On Board
Example: Stands for freight being prepaid from a specific destination (FOB Saskatoon) - HEF
- High Efficiency Filter
- HOA
- Hand/Off/Auto
Example: Hand/Off/Auto Control - HP
- Horsepower
- HRV
- Heat Recovery Ventilator
- HVAC
- Heating, Ventilation, & Air Conditioning
- IAQ
- Indoor Air Quality
- ICBO
- International Conference of Building Officials
- IPC
- In Process Change
- IPK
- In Process Kanban (DFT Term)
- ITS
- Intertek Testing Services Ltd
- LAT
- Leaving Air Temperature
- LC
- Light Commercial
- LEED
- Leadership in Energy & Environmental Design (United States Green Building Council)
- MCA
- Minimum Circuit Ampacity
- MEF
- Medium Efficiency Filter
- MOP
- Maximum Over-Current Protection
- NBCC
- National Building Code of Canada
More Info: http://www.nationalcodes.ca/nbc/index_e.shtml - NFPA
- National Fire Protection Association
More Info: http://www.nfpa.org/ - NRC
- National Research Council
More Info: http://www.nrc.ca/ - OACF
- Outside Air Correction Factor
- OMS
- Operation Method Sheet (DFT Term)
- OSHA
- Occupational Safety & Health Administration
Example: U.S. Department of Labor - Occupational Safety & Health Administration - RH
- Relative Humidity
Example: Percent RH - RTU
- Roof Top Unit
- SBCCI
- Southern Building Code Congress International
More Info: http://www.iccsafe.org/ - SCFM
- Airflow rate moved at standard conditions
Example: Measurement (Airflow) 0.075 lbs/ft^3 70F sea level pressure 29.92 in Hg - SEER
- Seasonal Energy Efficiency Ratio
- SI
- System International
Example: Measurement (Metric) - SOE
- Sequence of Events (DFT Term)
- SRC
- Saskatchewan Research Council
More Info: http://www.src.sk.ca/ - SWF
- Standard Washable Foam
- TQC
- Touch Quality Control (DFT term)
- Tx
- Thermal Expansion
Example: Tx Valve - UL
- Underwriters Laboratories Inc.
- ULC
- Underwriters Laboratories Canada
- VFD
- Variable Frequency Drive
- VHC
- (Venmar CES Product Line) Ventilation, heating and cooling
- VSD
- Variable Speed Drive
- WAM
- Web Account Manager
- WB
- Wet Bulb Temperature
Example: WB Temperature - WG
- Inches of Water Gauge


