| Vane Axial Fans (Greenheck) | Airelink Products Corporation |
| Vane Axial Fans (Woods) | Air Treatment Corp. |
| Variable Frequency Drives (ABB) | Air Treatment Corp. |
| Variable Frequency Drives (AC Tech) | Air Conditioning Specialties Co. |
| Variable Frequency Drives (Hitachi) | K. H. Watts Company, Inc. |
| Variable Speed Drives for Centrifugal Chillers and Air Handling Units | York International Corp. |
| VAV Terminal Boxes | Air Conditioning Specialties Co.; Haldeman, Inc. |
| VAV Terminal Units (Krueger) | Airelink Products Corporation |
| VAV Units | Trane Company, The |
| Ventilation Equipment | Haldeman, Inc. |
| Ventilators, Gravity (Greenheck) | Airelink Products Corporation |
| Vertical Riser Fan Coil | DB Sales & Service |
| Vertiflo - Wet Pit Pumps | Dawson Co. |
| Vibration Isolation - Cal Dyn | California Dynamics Corp. |
| Vibration Isolation, Shock & Sound Control | DB Sales & Service |
| Vibrex - Vibration Isolators | Sausse M.W., & Co., Inc. |
| Viron - Corrosion Resistant Fans, Dampers, Duct & Fittings | Toro-Aire, Inc. |
| Vogt/Turbo - Ice Harvesters | Engineered Comfort Systems |