RM3 Mechanical logo
D

RM3 Mechanical

Tempe, AZ · 15 years in business · 2123 S Priest Dr #215, Tempe, AZ 85282

(480) 270-8321 rm3mechanical.com
D

D · Poor · 37 points A starts at 58 points. The top score in the Valley today is 76.

48 Google reviews at 5.0.

  • Licence and insurance0 of 8

    Licensed, insured and bonded as stated on their site. ROC numbers earn nothing until they can be checked.

  • Credentials0 of 29

    NATE, ACCA, EPA 608, brand programmes and BBB accreditation, as stated.

  • Track record6 of 14

    Years since founding, and profiles on BBB, Yelp, Angi and similar.

  • Reviews18 of 22

    Google review count and average.

  • Service terms5 of 12

    Emergency service, permits, load calculations, warranty, free estimates, financing.

  • Profile8 of 22

    Website, phone, description, how complete the facts are, social accounts.

How we grade

From their website

What the company says on its own pages, checked Oct 16, 2026. We quote it; we have not verified it.

Hours
24 hours a day, 7 days a week, 365 days a year
After hours
24/7 listed in their hours
Service area
Phoenix, AZ and Phoenix Metro area, suburban communities

At a glance

As stated on their website.

  • Free estimates
  • Financing
  • Emergency service
  • Commercial too

Specialties

  • residential and commercial HVAC
  • commercial refrigeration
  • walk-in coolers and freezers
  • boilers
  • ductless HVAC
  • maintenance plans

Services

Main work

Also does

About RM3 Mechanical

RM3 Mechanical is a Tempe, Arizona-based heating and cooling contractor that treats every customer like family. With 15 years of local experience, the company delivers residential and commercial HVAC service across Phoenix and surrounding Metro area communities, backed by factory authorized technicians.

  • 15 years of experience serving the Phoenix Metro area
  • 24/7/365 emergency service, including holidays
  • Factory authorized technicians using genuine replacement parts for all makes and models of air conditioners
  • Residential and commercial services, including commercial refrigeration and walk-in cooler and freezer service
  • Free estimates and financing available for residential and commercial projects

From air conditioning repair and installation to furnace service, ductless systems, boilers, and maintenance plans, RM3 Mechanical aims to resolve each job without unnecessary delays while respecting your property.

Reviews

5.0 from 48 Google reviews.

Also graded in the East Valley

A

Mesa, AZ · 20 years in business

Salt River Air

A · Excellent · 95 Google reviews at 5.0 · their site says: licensed, insured, bonded, NATE, EPA 608, BBB accredited

  • AC Repair
  • AC Tune-Up and Maintenance
  • Air Duct Cleaning
  • +5 more
ROC no.
Not on their site
Google
5.0 · 95
After hours
Emergency service listed
Terms
Financing, free estimates
Request an estimate from Salt River Air
A

Gilbert, AZ · since 2009

Ellsworth Air and Plumbing

A · Excellent · 488 Google reviews at 4.8 · their site says: licensed, insured, bonded, NATE, BBB accredited

  • AC Repair
  • AC Tune-Up and Maintenance
  • AC Replacement and Installation
  • +4 more
ROC no.
Not on their site
Google
4.8 · 488
After hours
24/7 listed in their hours
Terms
Financing, free estimates
Request an estimate from Ellsworth Air and Plumbing
A

Mesa, AZ · since 2020

A/C Rangers Heating & Cooling

A · Excellent · 1,048 Google reviews at 4.9 · their site says: licensed, insured, bonded, BBB accredited

  • AC Repair
  • AC Tune-Up and Maintenance
  • Emergency / 24-Hour AC Repair
  • +2 more
ROC no.
ROC 328460listed on their site
Google
4.9 · 1,048
After hours
24/7 listed in their hours
Posted price
$39.95 · A/C Maintenance Tune-Upon their site
Request an estimate from A/C Rangers Heating & Cooling

Free · no sign-up

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How we grade