The Model 25HFU portable air conditioner offers 26,000 Btuh of cooling and runs on 208/230-V, single-phase power. The unit is self-contained and lightweight, says the company. Its quiet operation allows use in offices, hospitals, and computer rooms, while its powerful cooling is useful for factory and warehouse applications, the company says. The unit features a hermetic scroll compressor with centrifugal fan, and has airflow of 708 cfm, allowing ducting up to 60 ft away from the unit, the manufacturer says.

Topp Portable Air Conditioners, 12 Crozerville Rd., Aston, PA 19014; 800-892-8677; 610-459-3822 (fax); (e-mail); (Web site).