Heating Repair & Installation in Phoenix
Arizona winters are mild, but when they arrive you need heating that works reliably. IcyFrost repairs and installs gas furnaces, heat pumps, and electric heat systems across Phoenix and Scottsdale with the same care we bring to summer AC service.
Heating in the Phoenix Desert — More Complex Than You'd Think
Most Phoenix homes use a packaged unit or split system heat pump that handles both heating and cooling. These systems are efficient and reliable, but they do require periodic service, particularly the auxiliary heat strips that kick in when temperatures drop below the heat pump's efficient operating range on cold desert nights.
Gas furnace homes in the Phoenix metro face a different challenge: systems that sit dormant for 7–8 months and are then called to run at full capacity when the temperature drops. Igniter failure, heat exchanger cracks, and dirty flame sensors are the most common issues we see, all preventable with an annual fall inspection.
IcyFrost technicians are trained on both heat pump systems and gas furnace equipment. We carry igniter assemblies, flame sensors, control boards, and heat strip components on service vehicles to handle most repairs on the first visit.
If you're building a new home or upgrading an older system, we can help you choose between a high-efficiency gas furnace and a variable-speed heat pump, two very different technologies with very different economics depending on your home's insulation, your usage patterns, and current utility rates.
Heating Services We Provide
All heating system types: repair, tune-up, and new installation.
Gas Furnace Repair
Igniter replacement, heat exchanger inspection, flame sensor cleaning, control board diagnosis, and gas valve testing.
Heat Pump Service
Heating mode diagnostics, reversing valve testing, auxiliary heat strip inspection, and defrost control service.
Electric Heat Strip Replacement
Failed heat strips in air handlers leave homes cold on winter nights. We replace them same-day with correct-amperage OEM strips.
New Furnace Installation
High-efficiency 2-stage and variable-capacity gas furnace installation with proper flue venting and combustion safety testing.
Heat Pump Installation
For all-electric homes, a cold-climate heat pump delivers efficient heating even on the coldest Arizona nights.
Fall Heating Tune-Up
Full operational test of heating system, heat exchanger visual inspection, combustion analysis, and airflow measurement.
Heating Service FAQs — Phoenix, AZ
My heat isn't coming on in Phoenix — what should I check first?
Start with the thermostat: verify it's switched to Heat mode and the setpoint is above the current indoor temperature. Check the circuit breaker for the air handler. If those are fine, the most common culprits are a failed igniter (gas furnace), failed heat strips (electric), or a thermostat fault.
Do I need a gas furnace or a heat pump in Phoenix?
Most Phoenix homes with existing ductwork use a heat pump or packaged unit. Gas furnaces are common in custom homes with gas service. Either option works well for Arizona's mild winters. Heat pumps are more efficient for the 40–65°F range that characterizes Phoenix winter nights.
When should I schedule heating system service in Arizona?
October or early November, before the first cold nights arrive. You want to discover any issues while there's still time to order parts without urgency.
How long do gas furnaces last in Arizona?
Gas furnaces in Phoenix often outlast the HVAC industry average of 15–20 years because they run so infrequently. We've serviced furnaces over 25 years old in the Phoenix metro that still operate correctly, though efficiency and safety should be evaluated annually on older equipment.
Heating Not Working? We'll Fix It Today.
Gas furnace, heat pump, or electric heat: we service all types across Phoenix & Scottsdale.