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Master Mechanical, Inc.HVAC contractor in Flagstaff, AZ

Master Mechanical, Inc. is an HVAC contractor at 3900 Historic Rte 66, Flagstaff, AZ 86004, ranked #12 of 31 HVAC contractors in Flagstaff and rated 3.6 from 46 Google reviews. Open 24 hours a day, 7 days a week.

Flagstaff, AZUpdated 0 paid placements in any rankingHow we rank

Call (480) 400-0323Website ↗

Key facts

Key facts about Master Mechanical, Inc.
Address3900 Historic Rte 66, Flagstaff, AZ 86004Get directions
Phone(480) 400-0323
Websitemastermechanicalaz.com
HoursOpen 24 hours, 7 days a week
Google rating3.6 from 46 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Based in Flagstaff, AZView on map

Opening hours

Opening hours for Master Mechanical, Inc.
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

Master Mechanical, Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Master Mechanical, Inc. (this business)—583.6 (46)—YesYes
Inferno Heating Refrigeration & HVAC Flagstaff#10595.0 (9)—YesYes3.7 mi
Comfort Systems of Arizona Inc.#13584.9 (51)—NoNo1.4 mi

See all 31 ranked HVAC contractors in Flagstaff

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

3.6from 46 Google reviews

Hired Master Mechanical, Inc.? Write a review

Questions about Master Mechanical, Inc.

How is Master Mechanical, Inc. ranked in Flagstaff?

Master Mechanical, Inc. is ranked #12 of 31 HVAC contractors in Flagstaff by CR Score, with 58 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 Master Mechanical, Inc.’s hours?

Master Mechanical, Inc. 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 do Google reviews say about Master Mechanical, Inc.?

Master Mechanical, Inc. has a rating of 3.6 from 46 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 Master Mechanical, Inc.?

Call Master Mechanical, Inc. on (480) 400-0323. The business is at 3900 Historic Rte 66, Flagstaff, AZ 86004. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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