The Pro-Lift is connected to rooftop packaged air conditioning units, boilers, and other equipment to assist in removing old units and placing new units. It has a 28-inch lifting height. The device uses pneumatic tires for stable mobility and has adjustable support bars for units of various sizes, the company says. It is manufactured from lightweight, aircraft aluminum, with a powder-coat finish to prevent corrosion. It runs on a 12-V, 12-amp-hour rechargeable battery. Model B1230 is designed to maneuver equipment easily with a zero turning radius. The Pro-Lift has a rated capacity of 1,500 pounds per pair. According to the company, this device works well with most modern air conditioning factory-installed forklift rails.

ProSource LLC, 801 Hebron Parkway, Ste. 3306, Lewisville, TX 75057; 972-939-3231; 972-459-9763 (fax); www.prolift.com.