Sinclair Air Systems


721 E San Bernardino Rd
Covina, CA 91723

A HVAC Service in Covina CA

We are a licensed HVAC Contractor specializing in the wants of the consumer and the needs of the city. Over 25 years of family owned and operated business allows us to touch our …


Mon 8:00 am - 5:00 pm Closed now Tue 8:00 am - 5:00 pm Wed 8:00 am - 5:00 pm Thu 8:00 am - 5:00 pm Fri 8:00 am - 5:00 pm Sat 8:00 am - 2:00 pm Sun Closed

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