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Hot and dry climate

HVAC services in Arizona

Phoenix and Tucson see summer highs above 110°F, so AC capacity, rooftop units and dust from monsoon storms shape most service calls.

ZIP codes covered
379
Cities and towns
138

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Heating and cooling in Arizona

Extreme summer heat with low humidity. Systems are sized for very high outdoor temperatures, dust loads coils and filters, and evaporative coolers still serve many older homes.

Arizona HVAC work is regulated through the Registrar of Contractors (ROC). Check a contractor's ROC license number before work begins; the ROC website lists license status and complaints.

In the desert metros most homes cool with heat pumps or gas-pack rooftop units. Monsoon dust and haboobs clog filters and condenser coils in July and August, and attic air handlers work in spaces that reach 140°F or more. A failed AC in July is a health risk, not an inconvenience, especially for older residents.

Northern Arizona is a different climate: Flagstaff and Prescott need real heating, and many homes there run gas furnaces with little or no AC.

Low desert homes in Phoenix, Tucson and Yuma use far more energy for cooling than heating, so equipment efficiency (SEER2) has an outsized effect on summer bills. Rooftop units and attic ducts benefit from regular sealing and insulation checks.

Most common needs in a hot and dry climate

  • AC capacity at 100°F+
  • Coil and filter cleaning from dust
  • Rooftop and attic unit service
  • Heat pump heating for mild winters

Arizona city guides

Local details on housing, utilities and permits.

Phoenix, AZPhoenix averages well over 100 days a year above 100°F, so air conditioning here is a safety system. Most homes use heat pumps or gas-pack rooftop units, and a summer outage can make a house dangerous within hours.Tucson, AZTucson summers routinely pass 100°F, and the July to September monsoon brings dust, lightning and humidity. At about 2,400 feet, Tucson is a little cooler than Phoenix, and evaporative coolers remain common alongside heat pumps and refrigerated air.Mesa, AZMesa shares Phoenix's extreme summer heat, with many days above 110°F. Most homes use heat pumps or gas-pack rooftop units, and AC reliability is a health and safety issue from May through September.Scottsdale, AZScottsdale's desert summers bring many days above 110°F, and larger homes often run two or three systems. Heat pumps and gas furnaces with AC are common, and rooftop and attic equipment both take a beating from the sun.Chandler, AZChandler shares the Valley's extreme summer heat, with weeks above 110°F. Most homes were built from the 1980s on, with heat pumps or gas furnaces and attic air handlers, and many first and second systems are now due for replacement.Glendale, AZGlendale, in the West Valley, shares Phoenix's extreme summers, with many days above 110°F. Most homes use heat pumps or gas packs, and the older central neighborhoods have rooftop units and older ductwork.Gilbert, AZGilbert grew from a farm town into one of Arizona's largest suburbs in the 1990s and 2000s, so most homes are newer two-story houses with heat pumps or gas furnaces in hot attics. Many first systems are now due for replacement.Flagstaff, AZFlagstaff sits at about 7,000 feet in the pines, with snowy winters, cool summers and a monsoon season. Heating is the main concern, and many homes were built without air conditioning.Tempe, AZTempe, home to Arizona State University, shares the Valley's extreme summer heat. Older central neighborhoods have rooftop units and many student rentals, while south Tempe has larger 1970s–90s homes.

More covered areas in Arizona

Contractors also take calls in these communities, among many others. Check your ZIP above to confirm.

  • Peoria · Maricopa Co.
  • Prescott · Yavapai Co.
  • Surprise · Maricopa Co.
  • Sedona · Yavapai Co.
  • Casa Grande · Pinal Co.
  • Lake Havasu City · Mohave Co.
  • Bullhead City · Mohave Co.
  • Apache Junction · Pinal Co.
  • San Tan Valley · Pinal Co.
  • Prescott Valley · Yavapai Co.
  • Sun City · Maricopa Co.
  • Kingman · Mohave Co.
  • Goodyear · Maricopa Co.
  • Buckeye · Maricopa Co.
  • Avondale · Maricopa Co.
  • Maricopa · Pinal Co.
  • Marana · Pima Co.
  • Sierra Vista · Cochise Co.
  • Sun City West · Maricopa Co.
  • Fountain Hills · Maricopa Co.
  • Green Valley · Pima Co.
  • Fort Mohave · Mohave Co.
  • Wickenburg · Maricopa Co.
  • Cave Creek · Maricopa Co.
  • Higley · Maricopa Co.
  • Luke Air Force Base · Maricopa Co.
  • Waddell · Maricopa Co.
  • Dewey · Yavapai Co.
  • Cashion · Maricopa Co.
  • Queen Creek · Maricopa Co.
  • Fort Huachuca · Cochise Co.

HVAC services available in Arizona

AC RepairAC Installation & ReplacementAC Tune-Up & MaintenanceFurnace RepairFurnace Installation & ReplacementBoiler & Radiant Heat RepairHeat Pump RepairHeat Pump InstallationDuctless Mini-SplitDuctwork Repair & SealingIndoor Air Quality & HumidityThermostat Installation

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