Trusted Heating & Cooling Experts in the Flagstaff Area

Schedule a Furnace Tune-Up Today!

When it comes to your comfort, our Campbell’s A/C LLC heating and cooling professionals are experts. Our team is trained, certified, and ready to take care of whatever your HVAC needs may be. Our superior customer service is at the heart of all we do.

You can trust Campbell’s A/C LLC to service and repair your equipment correctly so that it keeps your Flagstaff, AZ, home comfortable throughout the year. Our technicians can also provide expert guidance on how to get the most out of your HVAC equipment for many years to come.

Breathe easy and stay healthy by improving the indoor air quality (IAQ) in your home or business. Our team of indoor air quality experts can help you clean your air to help promote good health. Campbell’s A/C LLC has all of the right solutions for an ideal indoor environment.

ABOUT Campbell’s A/C LLC

With over 30 years of combined experience, Campbell’s A/C LLC provides heating and air conditioning services in northern Arizona.

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NEED HVAC SERVICE?

CUSTOMER TESTIMONIALS

Excellent
Campbell's A/C4.8
Based on 182 reviews
Susan Swann
2 days ago
prompt, thorough-did the job.
Julie Zeilenga
3 days ago
Benjamin Martinez was awesome! He arrived on time, quicky diagnosed the issue with our ERV system, and fixed it on the spot. Thank you Benjamin!
Phil Hildebrand
4 days ago
Excellent service, extremely knowledgeable pertaining to the replacement of 3 AV units and 3 furnaces.

WE LOVE HEARING FROM OUR CUSTOMERS!

If you’ve had us work on your HVAC system we would love to hear from you, too.

WE SERVICE ALL BRANDS

Amana Heating & Air Conditioning. American Standard Heating & Air Conditioning. Ameristar by American Standard Heating & Air. Armstrong Air. Bryant Heating & Cooling Systems. Carrier. Coleman Heating & Air Conditioning. Comfortmaker. Daikin. Day & Night Heating & Cooling Products. Fujitsu. Goodman Air Conditioning & Heating. Heil. Lennox. Mitsubishi. Payne. Rheem. RunTru by Trane. Ruud. Trane. Westinghouse. York.

READ THE Campbell’s A/C LLC BLOG

Why You Need Whole-House Humidity Control

December 31, 2025

Everyone knows temperature plays a vital role in comfort and indoor air quality (IAQ).

Why Is My Heat Pump Turning On and Off Frequently?

December 15, 2025

Homeowners in Williams, generally favor heat pumps for their energy efficiency and dual heating and cooling capabilities. However, like any HVAC system, they can develop issues that impact performance.

Schedule Your Annual Furnace Inspection Now

November 10, 2025

What’s at the top of your fall to-do list in Flagstaff? Make sure it is your furnace.

Prepping your heating, ventilation, and air conditioning (HVAC) system for winter not only enhances your safety and your furnace’s efficiency, it can help keep your repair budget in line during cold weather.

Is Your Thermostat Causing Your AC to Freeze Up in Flagstaff?

October 8, 2025

It’s another hot summer day in Flagstaff, and you feel like you might melt. Your air conditioner AC is not doing its job.

How to Reduce Dust in Your Williams, Home

September 2, 2025

Everyone has it, and nobody wants it: dust. It might seem like a minor nuisance, but in reality, dust is no laughing matter, no matter the setting.

Why Is My AC Blowing Hot Air?

August 1, 2025

It’s a hot day outdoors, and you are inside your Williams home waiting for your air conditioning (AC) system to kick into full gear.

Your HVAC System Can Enhance Sleep

July 16, 2025

The sound of a well-maintained heating, ventilation, and air conditioning (HVAC) system is like a lullaby for a good night’s sleep.

5 Ways to Save Money on Your AC and Summer Energy Bill

June 10, 2025

The US Department of Energy says air conditioning can account for 35 to 40 percent of your utility bill. We take energy efficiency seriously.

When Do I Replace My Air Conditioner in Flagstaff

May 2, 2025

Sometimes, life moves incredibly fast. You could have sworn you just bought your air conditioner. But lately, it doesn’t seem to be working so well.

What Is an Air Handler?

April 7, 2025

The same goes for a heat pump. The outdoor unit might be in perfect working condition. Still, the heating and cooling process stops without an indoor evaporator coil, connecting refrigerant lines, and a fan to blow conditioned air through ductwork.

What are you waiting for?
Contact Campbell’s A/C LLC today!