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Sinclair Air SystemsHVAC contractor in La Verne, CA

Sinclair Air Systems is an HVAC contractor at 1935 McKinley Ave Suite D, La Verne, CA 91750, rated 4.7 from 35 Google reviews. Open Monday to Saturday.

La Verne, CA0 paid placements in any rankingHow we rank

Call (626) 331-4541Website ↗

Key facts

Key facts about Sinclair Air Systems
Address1935 McKinley Ave Suite D, La Verne, CA 91750Get directions
Phone(626) 331-4541
Websitesinclairair.com
HoursMonday to Saturday: open 24 hours
Google rating4.7 from 35 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves La Verne and 11 towns within 25 miles: San Dimas, Pomona, Claremont, Charter Oak, Diamond Bar, Montclair, Glendora, Covina, Chino Hills, Citrus and Walnut.

Based in La Verne, CAView on map

Opening hours

Opening hours for Sinclair Air Systems
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no
  • Emergency service

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Reviews

ContractorsRanked reviews

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Google

4.7from 35 Google reviews

Hired Sinclair Air Systems? Write a review

Questions about Sinclair Air Systems

What are Sinclair Air Systems’ hours?

Sinclair Air Systems is open Monday to Saturday. Its listed hours are Monday to Saturday, open 24 hours. On Saturdays it is open Open 24 hours and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Sinclair Air Systems serve?

Serves La Verne and 11 towns within 25 miles: San Dimas, Pomona, Claremont, Charter Oak, Diamond Bar, Montclair, Glendora, Covina, Chino Hills, Citrus and Walnut. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about Sinclair Air Systems?

Sinclair Air Systems has a rating of 4.7 from 35 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Sinclair Air Systems?

Call Sinclair Air Systems on (626) 331-4541. The business is at 1935 McKinley Ave Suite D, La Verne, CA 91750. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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