West · Climate zones 2–5
HVAC service in Arizona
Arizona's low deserts, including Phoenix and Tucson, are among the hottest places in the country, with summer highs regularly above 110°F. Northern Arizona around Flagstaff is high and cold, with snowy winters.
- 370 ZIP codes covered
- 125 cities and towns
- Licensed contractors
Arizona HVAC at a glance
- Climate
- Hot-dry (IECC zones 2–5)
- What it means
- Extreme dry heat, attic and rooftop equipment, and dust. Capacitors, coils and evaporative coolers need regular attention.
- Common systems
- Heat pumps, Rooftop package units, Evaporative coolers, Gas furnaces in the high country
- Coverage
- 370 ZIP codes in 125 cities and towns
- Region
- West
Homes & equipment
Heating and cooling in Arizona
Heat pumps and package units are very common in Phoenix and Tucson, often on rooftops. Evaporative coolers are still used on dry days, and the summer monsoon brings dust storms and humidity spikes.
Flagstaff and the high country need furnaces or cold-climate heat pumps for winter.
Common problems
HVAC problems we see in Arizona
Extreme heat failures
Capacitors, contactors and fan motors fail more often in 115°F heat.
Monsoon dust
Dust storms clog filters and outdoor coils.
Roof-mounted equipment
Rooftop package units need roof curb sealing and safe access for service.
City guides
HVAC city guides in Arizona
Other Arizona areas in our network
Contractors in our network also cover Mesa, Scottsdale, Glendale, Chandler, Tempe, Gilbert, Peoria, Flagstaff, Prescott, Surprise, Sedona, Casa Grande, and 111 more communities. Enter your ZIP code in the request form to check yours.
Recommended
Services Arizona homeowners need most
Contractor licensing in Arizona
Arizona licenses contractors through the Registrar of Contractors (ROC). Check the ROC license and complaint history before hiring.
Utilities in Arizona
APS, SRP and Tucson Electric Power are the main electric utilities. Southwest Gas supplies natural gas in most metro areas.
FAQ
Arizona HVAC questions
How long do AC systems last in Phoenix?+
Often 10–15 years because of long run times in extreme heat.
Is an evaporative cooler enough in Arizona?+
On dry days yes, but during the monsoon humidity makes it far less effective, so many homes also have refrigerated AC.
Other states in the West
HVAC help in Arizona
Call to be connected with a licensed HVAC contractor serving your ZIP code, or send a request online.