Share Listed below are the hotels where AIChE has negotiated special rates for the 2013 Annual Meeting in San Francisco. Use direct booking links and follow booking instructions where noted to get AIChE rates. Hilton San Francisco Union Square Rates from $209 Map Book at Special Rate Parc 55 Wyndham Rates from $215 Map Book at Special Rate Handlery Union Square Call +1 415 781 7800 for rates and reservation. Map Hotel website