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Honest Pro Air Conditioning & Heating - HVACHVAC contractor in Diamond Bar, CA

Honest Pro Air Conditioning & Heating - HVAC is an HVAC contractor at 324 S Diamond Bar Blvd Suite 259, Diamond Bar, CA 91765, ranked #17 of 1,311 HVAC contractors in Diamond Bar and rated 4.9 from 89 Google reviews. Open 24 hours a day, 7 days a week.

Diamond Bar, CAUpdated 0 paid placements in any rankingHow we rank

Call (909) 990-7996Website ↗

Key facts

Key facts about Honest Pro Air Conditioning & Heating - HVAC
Address324 S Diamond Bar Blvd Suite 259, Diamond Bar, CA 91765Get directions
Phone(909) 990-7996
Websitehonestproair.com
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 89 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Diamond Bar and 11 towns within 25 miles: Walnut, Chino Hills, Pomona, South San Jose Hills, San Dimas, La Verne, Charter Oak, Rowland Heights, Los Serranos, Covina and Chino.

Based in Diamond Bar, CAView on map

Opening hours

Opening hours for Honest Pro Air Conditioning & Heating - HVAC
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • 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.

Compare nearby HVAC contractors

Honest Pro Air Conditioning & Heating - HVAC compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Honest Pro Air Conditioning & Heating - HVAC (this business)—624.9 (89)—YesYes
Airplus of California Inc.#15624.9 (1,325)—YesYes14.2 mi
Western Air Mechanical#16624.9 (251)—YesYes5.7 mi
Titan Air Conditioning#18624.9 (439)—YesYes9.1 mi

See all 1311 ranked HVAC contractors in Diamond Bar

Reviews

ContractorsRanked reviews

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Google

4.9from 89 Google reviews

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Questions about Honest Pro Air Conditioning & Heating - HVAC

How is Honest Pro Air Conditioning & Heating - HVAC ranked in Diamond Bar?

Honest Pro Air Conditioning & Heating - HVAC is ranked #17 of 1,311 HVAC contractors in Diamond Bar by CR Score, with 62 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Honest Pro Air Conditioning & Heating - HVAC’s hours?

Honest Pro Air Conditioning & Heating - HVAC is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Honest Pro Air Conditioning & Heating - HVAC serve?

Serves Diamond Bar and 11 towns within 25 miles: Walnut, Chino Hills, Pomona, South San Jose Hills, San Dimas, La Verne, Charter Oak, Rowland Heights, Los Serranos, Covina and Chino. 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 Honest Pro Air Conditioning & Heating - HVAC?

Honest Pro Air Conditioning & Heating - HVAC has a rating of 4.9 from 89 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 Honest Pro Air Conditioning & Heating - HVAC?

Call Honest Pro Air Conditioning & Heating - HVAC on (909) 990-7996. The business is at 324 S Diamond Bar Blvd Suite 259, Diamond Bar, CA 91765. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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