Preferred Instruments (Danbury, CT) has released the ZP oxygen probe for use with the company's PCC-III multiple loop controller. The probe is directly connected to the controller, eliminating the need
Pacific Science & Technology's (Bend, OR) ULTRAlite(tm) is a recording four-channel datalogger for monitoring multiple inputs. It was designed for monitoring air quality and meteorological inputs, pulse measurements for flow
From Modine Airsystems (Racine, WI) comes the Series QVA/QV line of variable-air volume, direct-fired, makeup air units are available in 15 model sizes and eight configurations and have Btuh capacities
Koldwave (Westfield, MA) has added a 20-ton unit to its line of vertical, self-contained air conditioners. Features include single-point power connections and removable side and front panels. All models offer
Savings Estimator from Honeywell (Minneapolis) is a PC-based program that estimates energy use and potential savings for new or existing commercial/institutional buildings. Customized estimates based on building use, system type
The hvac Division of Siemens Building Technologies (Buffalo Grove, IL) now offers a complete line of 2- to 12-in. electronic and pneumatic butterfly valves for use in applications requiring two-position
The Q-Track Plus IAQ monitor from TSI Incorporated (St. Paul, MN) measures and simultaneously displays up to five parameters, including temperature, humidity, CO2, and CO. The unit also calculates dewpoint,
A few circumstances in a data center make it ripe for a CHP design to boost efficiency. Let’s get into the options within both relevant chiller types, why payback may be shorter than expected, and the assorted potential benefits from lower costs to higher reliability. Some tips from an array of manufacturers’ reps round out this useful investigation.