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Master Mechanical

Updated 2026-08-04 · 3,430 reviewed · 448 listed · Scored from 402 Google reviews · How we rank ›

5.0(402) 80 low data composite score See reviews on Google ✓ Google-verified
AC Repair & InstallationDuct Cleaning & RepairHeating & Furnace Services
Master Mechanical
Services
AC Repair & Installation, Duct Cleaning & Repair, Heating & Furnace Services
Reviews
402

What recent reviews say

Master Mechanical, operating since 1997 and Rheem-certified, delivers fast emergency response and knowledgeable repairs, but faces isolated complaints about installation workmanship, appointment reliability, and billing clarity.

Based on limited recent reviews, so treat this as low-confidence.

Praised for
  • responsive and same-day service
  • skilled technician Damien
  • honest diagnosis
  • professional and personable staff
Watch-outs
  • roof damage and poor sealing
  • missed appointments and no-shows
  • billing confusion and system issues
skilled-techniciansfast-responseresponsivehonest-diagnosisno-showquality-installation
Best for: homeowners needing same-day AC repair or emergency service on weekends and evenings
Think twice if: concerned about installation quality, appointment follow-through, or clear billing practices

Strengths

  • same-day and after-hours emergency availability
  • technician Damien consistently praised for professionalism
  • honest diagnosis and system education

Worth knowing

  • Technician Damien Dominguez frequently named for professionalism and punctuality
  • Same-day appointments and after-5pm availability reported
  • CEO follow-up after service noted
  • One-star complaint about roof damage and continued leaking after installation
  • Missed appointments on scheduled dates without proper communication
  • Billing system confusion involving paid invoices and payment re-requests

What reviews say by service

AC Repair & Installation
Repairs consistently praised; installations marred by roof damage complaint and billing issues
Heating & Furnace Services
Limited review evidence; no clear praise or complaint tied to heating-specific work
Duct Cleaning & Repair
One repair (unclogging water line) noted positively

How it compares

  • Rated 5 against a 4.7 average across the 391 ac repair & installation businesses listed here.
  • Has more Google reviews than 84% of the businesses in this directory.

How we scored this

Ranking Method
Star rating 99
Review volume 100
Review recency 65
Review sentiment 57
Profile completeness 75
Verification 30

Rating breakdown

5
396
4
2
3
0
2
0
1
4

Common questions

Do you respond to emergency calls after hours?
Yes; at least one reviewer reached Damien at 5:10pm on a weekday, and another called on Sunday and received next-morning service.
Who should I request as a technician?
Multiple reviewers name Damien Dominguez as professional, punctual, knowledgeable, and willing to educate customers about their system.
Do you serve areas outside Phoenix?
Yes; the business claims service areas in Northern Arizona including Flagstaff, Sedona, Williams, Winslow, Cottonwood, and the Navajo Reservation.
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Last updated 2026-08-04