Comfort Systems of Arizona LLC
Flagstaff, AZ HVAC · #7 of 10 · BBB A+ Accredited · 17+ yrs
At a glance
- Google rating
- 4.9★ from 50+ reviews
- In business
- 17+ years
- BBB
- A+ accredited
- Services
- 8 HVAC services
- Service area
- Flagstaff, AZ
- Phone
- +1-928-774-9034
Overview
Comfort Systems of Arizona specializes in residential and light commercial HVAC retrofits and new construction installations. This locally owned team manages complex hydronic heating, radiant floor systems, and specialized snow-melt solutions. Flagstaff’s high-altitude climate requires precise equipment sizing, which this experienced staff addresses through thorough system inspections. Homeowners consistently report prompt same-day responses for urgent heating repairs during freezing winter months. Their technicians demonstrate deep expertise by installing high-efficiency Trane systems with professional precision.
Comfort Systems of Arizona provides comprehensive heating and cooling services to the Flagstaff area. This locally owned contractor specializes in residential retrofits, new construction installations, and complex hydronic heating systems. Their team maintains a strong reputation for rapid response times, often providing same-day service for emergency heating repairs. They offer expertise in diverse equipment types, including heat pumps, furnaces, and mini-split systems.
Vouched Score breakdown — 78/100
Flagstaff, AZ HVAC average is 80/100. Ranks #7 of 10 listed HVAC providers in Flagstaff, AZ.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
How Comfort Systems of Arizona LLC compares to the Flagstaff average
| Signal | Comfort Systems of Arizona LLC | Flagstaff avg | Delta |
|---|---|---|---|
| Vouched Score | 78/100 | 80/100 | -2 vs avg |
| Google rating | 4.9★ | 4.7★ | +0.2 vs avg |
| Review volume | 50+ | 180+ | -128 vs avg |
| Years in business | 17+ | 28+ | -11 vs avg |
What customers say
"I have a very old heater, 26 years old to be exact and it was not working properly so I called to schedule a service. They were able to get me in the schedule not only the same day but within a few hours. The technician was very professional and knowledgeable. He got my heater up and running very quickly and took the time to clean it up. I will be updating the whole system hopefully this next year and will definitel…"
— Chad R · Dec 5, 2025 · Google Reviews"I can’t say enough great things about Comfort Systems of Arizona! I called right before Christmas when our heat went out, and they fit us in that same day. The technician was professional, kind, and went above and beyond to make sure we had heat and were comfortable for the holidays. They took the time to explain how our system works, answered all our questions, and even put us on a maintenance schedule to keep ever…"
— Gina Couillard · Jan 9, 2026 · Google Reviews"I highly recommend Flagstaff Comfort Systems! Their response and service is excellent.My call turned out to be a false alarm, but it was handled, to my relief professionally and with good humor. These are kind people who care about their customers. My special thanks to Hannah who minds the calls as they come in with patience and kindness. She knew I was worried, and called her dad Rion to come and help!"
— Sue Strobel · Jan 7, 2026 · Google Reviews"Cole and Dustin were outstanding! They were at my door exactly at 8:30 as promised and went to work so quickly - removed my old furnace and installed a new Trane and made it look easy. So patient as I looked and asked questions. These guys know what they are doing - absolutely delighted! You are in good hands with Comfort Systems."
— Sherry Markel · Nov 4, 2025 · Google Reviews"I can't say enough about Comfort Systems. They were quick to return my call, set up a appointment and give me an estimate for a furnace within two days. Once I accepted the bid the install took place in less than a week. Fast, thorough, and courteous, you can't ask for anymore!"
— Todd Callan · Oct 1, 2025 · Google ReviewsPros
- High Google rating (4.9★ across 50+ reviews)
- Long-established (17+ years in business)
- BBB accredited
When to choose them
- You prefer a family-owned operation
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- Furnace Repair — Repair of gas and electric furnaces — ignition systems, blower motors, heat exchangers, control boards, and flame sensors.
- Heating System Replacement — Replacement of an aging or failed heating system, typically a furnace or heat-pump indoor unit.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Heat Pump Service
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Commercial HVAC — Commercial HVAC service for offices, retail, and light-industrial spaces — rooftop units, package units, and split systems.
Service area
Flagstaff, AZ home
Contact & hours
| Monday | 8:00 AM – 5:00 PM |
|---|---|
| Tuesday | 8:00 AM – 5:00 PM |
| Wednesday | 8:00 AM – 5:00 PM |
| Thursday | 8:00 AM – 5:00 PM |
| Friday | 8:00 AM – 5:00 PM |
| Saturday | Closed |
| Sunday | Closed |
Frequently asked questions
What are the pros of Comfort Systems of Arizona LLC?
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What does HVAC service typically cost when working with a Flagstaff, AZ provider like Comfort Systems of Arizona LLC?
Does Comfort Systems of Arizona LLC do AC Repair in Flagstaff, AZ?
Does Comfort Systems of Arizona LLC do AC Replacement in Flagstaff, AZ?
Does Comfort Systems of Arizona LLC do Furnace Repair in Flagstaff, AZ?
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Comfort Systems of Arizona LLC (this company) |
78/100 | 4.9★ (50+) | 17+ | A+ ✓ | — | Heat Pumps Boiler Service |
| 80/100 | 4.9★ (40+) | 16+ | A+ | — | — | |
| 79/100 | 4.9★ (860+) | 27+ | A+ ✓ | — | — | |
| 70/100 | 4.1★ (95+) | 33+ | A+ | — | — |
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Profile last updated May 16, 2026.