WhisperWallâ„¢ fans offer through-the-wall ventilation with quiet operation and low energy consumption, says the manufacturer. These fans operate a 0.45 sones, with power consumption of 16 W. They can be
A new brochure compares operating features, savings, and maintenance costs of single-screw versus twin-screw compressors. It includes comparisons of 11 operating parameters, including part-load efficiency, thrust loads, compressor speed, bearing
The ISS-105 IS Super Cell is a five-channel multiple pump controller. The microprocessor-based controller is capable of performing multiple duties and can operate as a pump controller for eight different
The Super Trac III (5 in 1) robotic duct inspection and cleaning system includes a manual inspection system, a robotic inspection system, an air washing system, a power brushing system,
A 28-page catalog lists fabric duct products and accessories for commercial buildings. The 2004 Fabric Duct Ventilation catalog provides detailed description and application photographs of Sedona, Tuftex, and Duratex fabrics.
The American Contractor version 7.0 allows the tracking, reporting, and sorting of data to fit the business needs of all types of contractors, including general contractors, subcontractors, and service contractors,
The Xgard gas detector features a universal junction box and replacement sensors. The unit monitors for combustible, toxic, and oxygen hazards. A two-year sensor is available for oxygen monitoring. For
The Vari+Plus VP is an extended surface filter for HVAC and turbine intake applications. The media is used in a dual layer for efficiency at MERV 15 and has a
The WaterWizardâ„¢ evaporative cooling optimizer is designed to provide evaporative cooling control while reducing water waste. It measures the outside temperature and humidity then adjusts the water supply to provide
The HVAC Engineer's Handbook has a comparative summary of all air conditioning techniques. The Plant Engineer's Handbook provides comprehensive coverage of subjects of interest to plant engineers, says the company.