Service Visit · South Phoenix

Surface-Mount Transformer Installation in South Phoenix — July 2024

CompletedJuly 24, 2024

Technicianour technician

Service AreaSouth Phoenix

Visit Invoice Total$1,087.95

Call (602) 613-3489

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Documented ServiceFindings supported by service notes

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Reported by the Homeowner

System not operating since 4/11.

South Phoenix homeowner · July 24, 2024

The Report

What the homeowner told us

System not operating since 4/11.

Findings & Work Performed

What our technician documented during the visit

I documented my findings and addressed minor adjustments that could be made during the visit. No major parts were replaced during this diagnostic check.

The Verification

Verification performed

I re-ran each system to confirm normal operation after the checks and adjustments. All four units operated as expected when I left.

— Related Services

How this repair fits into our Phoenix HVAC service

This repair is one example of the AC Repair & Maintenance work AZ Perfect Comfort performs across Phoenix, AZ. You can browse every case study we have published for this type of work in the Surface-Mount Transformer Installation case studies archive. Homeowners who join our Comfort Club maintenance membership get every eligible repair backed by our Lifetime Repair Guarantee. For larger repairs and replacements, financing options are available for qualifying projects.

— Parts & Work Performed

Exactly what was installed

Item	Description	Qty	Price
COM-SER-LEAD-LBR	Hourly labor charges for labor of lead service technician	3.55	$532.50
COM-LBR-HRS	Commercial Maintenance Member: Hourly labor charges for labor of service technician	7.07	$530.25
111040516	Surface Mount Transformer 60VA W/120/208/230/277 24V Secondary	1	$25.20

Total: $1,087.95

— Photo Documentation

30 photos from this repair

Every step of this repair was documented on-site by our technician.

Digital thermometer shows 66.0 °F surface temperature while pressed against a metal surface near the repair area.

Outdoor electrical disconnect enclosure with red handle and surface corrosion visible on the metal cover.

Digital thermometer measures 11.1 °C on a metal surface near HVAC equipment, showing the current surface temperature reading.

Digital thermometer shows 59.3 °F surface temperature at the repair site during air conditioning repair.

Air handler cabinet interior with evaporator coil and drain line visible, showing open access panel and surrounding insulation.

Digital thermometer measures 55.2 °F on the metal equipment panel near the repair area.

Digital thermometer shows 118.5 °F surface temperature on the outdoor unit’s metal panel near the condenser.

Digital thermometer shows 52.5 °F surface temperature on the HVAC unit cabinet during air conditioning repair.

Outdoor electrical junction box near HVAC equipment, labeled with marker as number 11, showing weathered metal housing and fasteners.

Rooftop air conditioning condenser unit on a flat roof, showing weathered condenser coil and protective grille under direct sunlight.

Surface-mount electrical box secured with two screws, marked '#2', installed near HVAC equipment with visible conduit.

Digital thermometer measures 119.4 °F on the metal surface of the outdoor air conditioning unit panel.

Digital thermometer shows 99.7 °F on the metal panel of the outdoor air conditioning unit cabinet.

Digital thermometer shows 57.0 °F surface temperature on the HVAC cabinet during air conditioning repair.

Outdoor electrical disconnect enclosure labeled #5 next to the air conditioning unit, showing closed cover and red handle.

Outdoor electrical enclosure with hand-marked label “#10” next to a red-handled disconnect switch on the HVAC unit.

Surface-mount transformer installed inside the unit with connected low-voltage leads and secured mounting bracket.

Digital thermometer shows 48.5 °F on the metal equipment panel next to the installed component.

Digital thermometer shows 85.5 °F on the outdoor unit’s panel near the service compartment.

Rooftop package HVAC unit on curb mount, showing exterior access panels and top-mounted condenser fan opening.

Digital thermometer shows 17.7 °C surface temperature on metal HVAC equipment during air conditioning repair.

Digital thermometer shows 68.7 °F at the probe tip during air conditioning repair diagnostics.

Surface-mount electrical box on the outdoor unit, labeled "#7," with weathered finish and red disconnect handle visible.

Surface-mount electrical enclosure labeled “#3” installed on exterior HVAC equipment with secured cover and visible disconnect handle.

Close-up of rooftop HVAC duct curb with cracked and peeling sealant, measured across with a tape showing approximately 6 to 9 inches.

Rooftop air conditioning unit with exposed condenser coil and refrigerant piping on a flat commercial roof.

Rooftop air conditioning condenser unit with external disconnect and flexible conduit, showing weathered housing on a flat commercial roof.

Digital multimeter measures resistance at 0 Ω on a small component using red and black probes on an HVAC unit.

Surface-mount transformer and contactor wiring inside the condenser compartment, showing multiple connected conductors and dusty components.

Surface-mount low-voltage transformer installed inside the condenser control compartment, with connected low-voltage wiring and wire nuts visible.

— Frequently Asked

Questions about this repair

What was the problem with the AC system in this South Phoenix repair?

The homeowner in South the homeowner requested service on four HVAC systems. The technician performed advanced diagnostics on all four systems; no specific faults were documented in the field note.

Does AZ Perfect Comfort service South Phoenix?

Yes. AZ Perfect Comfort services South Phoenix and the greater Phoenix Metro area, including same-day repairs like this one. Call (602) 613-3489 to schedule.

Are these AC repairs guaranteed?

AZ Perfect Comfort Diamond Members receive our Lifetime Repair Guarantee — if the same failure returns, the repair is on us. All other repairs are covered by our standard workmanship warranty. Ask your technician about becoming a Diamond Member to unlock the lifetime guarantee.

— Same Problem At Your Home?

Let's get your home feeling "just right" again.

AZ Perfect Comfort has served South Phoenix and greater Phoenix with same-day HVAC diagnostics and repair. Diamond Members get every repair backed by our Lifetime Repair Guarantee.