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 177 reviews
Todd Ninneman
1 day ago
These guys were great and would recommend them to anyone!!
Jim H
6 days ago
cj g
2 weeks ago
I received spring checkup. Arrived on time. No problems found. Great service. Highly recommend.

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

Is Your AC Ready for Summer? What Homeowners Should Check Now 

May 30, 2026

When the temperatures start climbing, and the sun means business, your AC isn’t just a luxury; it’s your home’s MVP. But before the real summer heat rolls in, it’s worth asking: is your system ready to keep up?  The good news is you don’t need to be an HVAC expert to give your unit a…

Healthy Building Solutions: How Better IAQ Protects People and Productivity

May 15, 2026

More and more organizations are beginning to understand that a building’s true value lies in how effectively it supports the people inside. It’s about creating a space that truly enhances the well-being and productivity of everyone who enters. Commercial indoor air quality (IAQ) is now at the heart of this change…

Spring Allergies: Your HVAC System Can Help You Breathe Easier in Your Home

April 30, 2026

Spring is a time of renewal, but for millions of homeowners, it’s also the season of sneezing, itchy eyes, and congestion. Trees and grass in , are prominent springtime culprits, letting pollen loose into the air and on surfaces—and if we’re not careful—into our homes. We track it indoors, let it in through open windows…

UV Air Filters Cut Airborne Asthma Triggers

April 15, 2026

If you or someone in your home lives with asthma, you already know that itchy eyes, wheezing, or coughing can come out of nowhere. Often, the trigger isn’t outdoor air—it’s what’s floating around inside your house. Dust mites, mold spores, pet dander, pollen, bacteria, and even viruses can circulate through your HVAC system, aggravating asthma…

Can You Repair an AC Compressor?

March 30, 2026

AC compressors act as the “heart” of a cooling system—circulating refrigerant and maintaining pressure—so any issue with them can quickly affect overall performance. So, it is no surprise that when an air conditioning system stops cooling properly, the compressor is often one of the first components HVAC technicians suspect. A common question technicians get during…

Install Ductless Mini Splits for Historic Homes

March 15, 2026

Ductless mini splits are perfect for historic homes because they provide modern comfort without altering the structure or aesthetics—no need for invasive ductwork. Their compact design and energy efficiency make them an ideal solution for preserving character while improving indoor climate control. Historic homes are treasures, snapshots in time with their unique architecture and craftsmanship.…

Signs Your Furnace or Heat Pump Needs Repair Before It Fails

February 28, 2026

Most furnaces and heat pumps rarely quit without warning. Common signs your heating system needs repair include unusual noises, weak airflow, rising energy bills, short cycling, inconsistent temperatures, and strange odors. Ignoring these early symptoms can lead to sudden breakdowns, higher repair costs, and uncomfortable indoor conditions. You know that feeling when your heating…

Does Turning the Heat On and Off Save Money?

February 15, 2026

Everyone wants to save money on heating bills, especially when the winter temperatures start to drop. We love helping homeowners’ lower energy costs without skimping on comfort. One of the questions we often hear from our customers is, “Is it okay to turn the heat off when I leave the house and then…

Why Is My Heat Pump Smoking?

January 30, 2026

If you own a heat pump throughout the greater area, you might have noticed something curious: water pooling around the outdoor unit or even steam rising from it during a cold snap. Before you panic and search for emergency repairs, it’s important to understand heat pump condensation. For homeowners in…

Why Are They Called Ductless Mini Splits?

January 9, 2026

They’re called ductless mini splits because they don’t require ductwork and consist of two main components—a compact indoor air handler and an outdoor compressor.

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