80
StrongFeatured · Covina 2026Not yet confirmed by ownerPCR-17RWLYH
Sinclair Air Systems
Rated 4.0★ across 86 public reviews · Online for 27 years
721 E San Bernardino Rd, Covina, CA 91723Heating & Air Conditioning/HVAC
HVACHeating & furnacesAir conditioning
65
Details compiled from public sources. The owner has been invited to confirm them.Own this business? Confirm details →
About
Sinclair Air Systems is a heating and air conditioning contractor based in Covina, California. Across Google, Yelp and Facebook it holds a blended 4.0-star rating from 86 reviews. Its website domain has been registered for 27 years. Listed specialties include heating & furnaces, air conditioning.
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Reputation
Blended 4.03 ★ · 86 reviewsGoogle4.624 reviews
Yelp3.862 reviews
FacebookNo Facebook reviews found
Ratings are collected from each platform's public profile and refreshed periodically. The Registry doesn't host reviews.
Registry Score breakdown
65 / 100Reputation29/50
Rating quality and review volume
Digital presence30/30
Website, mobile, schema, analytics, Google profile
Reach6/20
Social profiles, advertising, audience
Location & service area
Areas served
Los Angeles metro area (not yet confirmed)
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Established48
Developing