Carrier has introduced the AquaSnap 30RAP chiller featuring the Greenspeed Intelligence option, which includes variable speed technology. The company says adding Greenspeed Intelligence to a 30RAP chiller will boost integrated part load value, making it a more efficient chiller in its class, serving applications from 10 to 60 tons.
Taco has expanded its SelfSensing pump capabilities with the addition of CI and FI end suction pumps. The company says it is the first pump manufacturer to offer SelfSensing end suction pumps and the first to offer drives with a SelfSensing bypass option.
The Drives & Motion Division of Yaskawa America has introduced the Z1000U HVAC Matrix Drive. The company says the drive provides extremely low harmonic distortion in a space-saving design, along with the same HVAC-specific features as the standard Z1000.
Control recommissioning in existing buildings presents an excellent opportunity to not only save energy, but to fix operational deficiencies and work with the building’s occupants to reduce complaints.
This project team left nothing to chance when it came to designing a five-story mixed-space facility for a Chicago gaming company. They also dealt a full hand of space-specific tactics: upgraded DX units, a dedicated variable-speed kitchen exhaust system, underfloor air, and better motors and drives improved the odds for efficiency. Pull the handle on this project story to get to the payoff.
The city of Côte Saint Luc in Quebec recently opened its new Aquatic and Community Centre with a cost of $18 million. While this may seem like a hefty price tag, the city will be saving millions of dollars on energy costs, thanks in part to the center’s HVAC system.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.