Airxchange says its new website,, shows visitors how its energy recovery ventilation (ERV) technology can reduce the cost of conditioning outdoor air by recycling up to 80 percent of the heating and cooling energy from exhaust air. The site includes a free “AIRX® Estimator,” which allows visitors to quickly estimate potential energy and environmental savings from using an Airxchange ERV wheel. Also available are three free, downloadable software packages for modeling and evaluating the performance of the company’s ERV wheels.

Airxchange, 85 Longwater Drive, Rockland MA 02370, 781-871-4816; 781-871-3029 (fax);