INFO CENTER SPECIAL ADVERTISING SECTION REPLACE OLD ROOFTOP UNITS FAST! A Thybar Retro-Mate® is custom made to adapt your existing roof curb to a new rooftop unit. It saves time and costly roof reconstruction, preserves roofing integrity, reduces system downtime, and takes advantage of existing ductwork. Our comprehensive library of new and old rooftop specifications lets us design a matching Retro-Mate® without extensive field measurements. Reduced engineering and construction time lets you bid more competitively. Licensed P on staff! Order direct .E. at www.thybar.com. Thybar Corporation 913 S. Kay Ave., Addison, IL 60101 800/666-CURB Fax: 630/543-5309 E-mail: info@thybar.com www.info.hotims.com/49801-47 www.info.hotims.com/49801-48 AAON HEATING AND COOLING PRODUCTS www.info.hotims.com/49801-49 70 ashraE JourNal ashrae.org FEBRUARY 2014 www.info.hotims.com/49801-50