Chino AC repair work runs differently from upper-IE cities because the city sits at 715 ft — the lowest elevation in our IE dispatch zone after Jurupa Valley. Summer afternoons regularly hit 98-106°F and the cooling season runs from early May through late October, putting more annual cumulative cycle wear on AC systems than foothill IE cities like Rancho Cucamonga or Redlands. Capacitor failures dominate Chino summer call volume, especially on systems older than 8-10 years. The Preserve at Chino and College Park master-planned communities (post-2010) have efficient builder-grade 14-16 SEER2 systems entering paid service, while older central Chino along Central Ave and Riverside Dr (pre-1980) has higher R-22 retrofit and replacement-age work. We carry 25 of the most common capacitor sizes on every truck and resolve most calls on the first visit.