Phoenix, Arizona Hvac Contractor Guide
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Supreme Comfort LLC

Updated 2026-08-04 · 3,430 reviewed · 448 listed · Scored from 236 Google reviews · How we rank ›

4.9(236) 87 composite score See reviews on Google ✓ Google-verified
AC Repair & InstallationHeating & Furnace ServicesDuct Cleaning & RepairIndoor Air QualityCommercial HVACMaintenance Plans & Tune-Ups
Supreme Comfort LLC
Services
AC Repair & Installation, Heating & Furnace Services, Duct Cleaning & Repair
Reviews
236

What recent reviews say

Named technicians Dean and Jose earn consistent praise for diagnosing tricky problems quickly, explaining repairs clearly, and showing up on time. Most customers report the company schedules them same-day or next-day and calls ahead before arrival. One 30k installation went wrong, though: after a year of followup calls and repeat visits, the owner now suspects the original sale overstated what the system would do.

Refrigerant charges sparked debate at $450 per pound. Staff have fumbled communication when running late. Yet 95% of the 236 reviews are five-star, and repeat customers like the reliability and the willingness to track down wiring errors other technicians missed. The stronger complaint is about the sales pitch matching reality on bigger jobs.

Praised for
  • skilled technicians (Dean, Jose, Edwardo)
  • prompt scheduling and installation
  • good explanations of problems and solutions
  • honest diagnosis and repair work
  • strong communication before arrival
Watch-outs
  • refrigerant pricing questioned as high
  • lack of communication on late arrivals
  • system not functioning as promised after initial installation
  • long-term issues after large purchase
  • staff attitudes when questioned about delays
skilled-technicianspunctualresponsivehonest-diagnosisfriendly-stafffair-pricingpoor-communication
Best for: Homeowners needing same-day or next-day AC repair and straightforward diagnostics from experienced technicians.
Think twice if: Watch the sales pitch on large installations. One customer spent $30k, then needed extra insulation and a year of follow-up calls to get the system performing as promised. Ask hard questions about expected temperature performance before signing.

Strengths

  • rapid scheduling and same-day installation
  • named expert technicians (Dean, Jose)
  • advanced diagnostics and wiring corrections
  • pre-arrival phone calls and tracking

Worth knowing

  • Dean identified and corrected a miswired capacitor that had been causing a fan to spin backward and spike electric bills
  • Jose and Dean specifically named and praised in multiple reviews for professionalism and problem-solving
  • company calls customers two hours before technician arrival
  • same-day and next-day installation reported during holiday weekends
  • one $30k system install required additional $3k in attic insulation and ongoing service calls after purchase

What reviews say by service

AC Repair & Installation
Fast diagnosis and same-day installs; one customer's $30k system required extra work and follow-up after a year
Heating & Furnace Services
Not clearly evidenced in reviews
Duct Cleaning & Repair
Not clearly evidenced in reviews
Indoor Air Quality
Technician offered advice on improving air flow in one review
Commercial HVAC
Not clearly evidenced in reviews
Maintenance Plans & Tune-Ups
Not clearly evidenced in reviews

How it compares

  • Rated 4.9 against a 4.7 average across the 391 ac repair & installation businesses listed here.
  • Has more Google reviews than 78% of the businesses in this directory.

How we scored this

Ranking Method
Star rating 92
Review volume 100
Review recency 100
Review sentiment 61
Profile completeness 100
Verification 30

Rating breakdown

5
224
4
5
3
4
2
2
1
1

Common questions

Can you install a new AC on a weekend or holiday?
Yes. One customer reported a new installation completed within a day when the AC failed on a holiday weekend.
Will someone call before the technician arrives?
Usually. The company calls two hours before the technician is due, according to multiple recent reviews.
What should I ask before a large installation?
Get clear expectations in writing about temperature performance and what the system includes. One customer spent $30k and later needed additional insulation work and months of follow-up calls.

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AC Repair & Installation

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Last updated 2026-08-04