Panasonic has added two 110-cfm models to its line of WhisperGreen premium ventilation fans. More
Green rater's tips help building pros ace their final inspection. More
Green rater's tips help building pros ace their final inspection. More
The Energy Star-qualified WhisperGreen-Lite exhaust fan features a motion sensor, variable-speed controls, and a timer that makes possible both intermittent and continuous ventilation. More
U.S. SUNLIGHT CORP. One of three solar-powered attic fans from the manufacturer, the 9915TR features a 15-watt solar panel and a 14-inch fan capable of ventilating up to 1,750 square feet of attic space. The unit’s deflector design provides a smooth air exhaust passage and increases the overall volume of air movement, the firm says. A solar controller option allows the unit to switch to AC power when solar power is not available and includes a humidistat and thermostat to manage attic humidity levels and temperatures. 866.446.0966. www.ussunlight.com. More
Guidelines for interpreting blower-door test results. More
A selection of sustainable products, including ventilation fans, thin-film solar roofing, low-flow faucets, and energy monitoring. More
