Repair · Surprise

Furnace Control Board Replacement in Surprise — June 2025

CompletedJune 11, 2025

TechnicianGarrett

Service AreaSurprise

Visit Invoice Total$807.30

Call (602) 613-3489

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Documented ServiceFindings supported by service notes

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Findings & Work Performed

What Garrett documented during the visit

Replaced furnace control board; connected common thermostat wire.

The Verification

Verification performed

AC was cycled to verify normal operation.

— 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 Surprise, AZ. You can browse every case study we have published for this type of work in the Furnace Control Board Replacement 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

Description	Qty	Price
Replace manufacturer-specific furnace control board.	1	$897.00
Veteran and First Responder discount.	1	$-89.70
Trip charge.	1	$99.95
Trip charge waived with paid repair.	1	$-99.95

Total: $807.30

— Photo Documentation

10 photos from this repair

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

Furnace control board on mounting plate, showing labeled terminals W Y R G, DIP switches, fuse, and wiring connectors.

Furnace control board with thermostat wires connected to terminals labeled G, R, C, W, Y, and HUM.

Furnace panel shows a factory wiring diagram and legend for controls, blower motor, and safety switches.

HVAC unit access panel with wiring diagram and service instruction labels affixed to the surface.

Furnace control board with multiple colored wires connected, several status LEDs lit, and secured wire bundles inside the cabinet.

Furnace control board mounted on metal panel, showing terminal strip G W Y R and relays labeled COOL and HEAT.

Open air handler control compartment shows multiple wiring harnesses, spade terminals, wire connectors, and a control board above instruction and safety labels on the blower panel.

Furnace control compartment showing control board terminals, multicolor wiring harness with connectors and wire nuts, and instruction labels on the panel.

Furnace service panel with wiring diagram and clearance label displayed on top of the unit.

Thermostat mounting base on wall shows connected control wires on labeled terminals Y, W, G, R, C.

— Frequently Asked

Questions about this repair

Does AZ Perfect Comfort service Surprise?

Yes. AZ Perfect Comfort services Surprise and the greater Phoenix Metro area. Call (602) 613-3489 to schedule.

Are these 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 Surprise and greater Phoenix with same-day HVAC diagnostics and repair. Diamond Members get every repair backed by our Lifetime Repair Guarantee.