The new EconoMi$er™ system increases the energy efficiency and reliability of rooftop air conditioning units while enhancing control flexibility, the manufacturer says. Designed for light commercial rooftop units, the system’s advanced microprocessor-based controller provides setpoint adjustment of parameters, discharge air control, carbon dioxide ventilation control strategy, on-board diagnostics, and the ability to maximize energy efficiency while minimizing indoor temperature swing, says the company.

Carrier Corp., attn: ACLS, Dept. 848-120, 108 Liverpool Drive, Liverpool, NY 13088-5112; 317-240-5328; 317-240-5182 (fax); (Web site).