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.

CUSTOMER TESTIMONIALS
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
READ THE Campbell’s A/C LLC BLOG
Can You Repair an AC Compressor?
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
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
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?
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?
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?
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.
Why You Need Whole-House Humidity Control
Everyone knows temperature plays a vital role in comfort and indoor air quality (IAQ).
Why Is My Heat Pump Turning On and Off Frequently?
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
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?
It’s another hot summer day in Flagstaff, and you feel like you might melt. Your air conditioner AC is not doing its job.














