A comprehensive list of in Covina, CA commercial and residential air conditioning companies offering installation, replacement and repair services. Read unbiased customer reviews and recommendations of local contractors. 
Sinclair Air Systems, a family-owned business in Los Angeles County, offers 30+ years of HVAC expertise. Specializing in AC install, repair, and preventative maintenance, we provide reliable, energy-efficient solutions for heating, cooling, and indoor air quality. Your trusted HVAC contractor for residential and commercial services.
Mr. Lynch — Spoke with Susie, awesome lady there! Caitlin you as well. Tech showed up at 0800ish, even though my AC unit is a bit old