The Report
What the homeowner told us
Coil froze, turned the system off to thaw.
Repair · Surprise
Furnace Control Board Replacement in Surprise — September 2025
✓
Certified HVAC DiagnosisLicensed technicians, real data
⚡
Documented ServiceFindings supported by service notes
🛡️
Lifetime Repair GuaranteeFor Diamond Members
Reported by the Homeowner
Coil froze, turned the system off to thaw.
Surprise homeowner · September 16, 2025
Findings & Work Performed
What Garrett documented during the visit
Furnace control board failed and was not sending a signal to the indoor fan.
Replaced the furnace control board and tested system operation.
The Verification
Verification performed
System was cycled to verify normal operation upon departure.
— 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
| Item | Description | Qty | Price |
|---|---|---|---|
| Trip charge to travel to customer home (waived with paid repair during normal business hours). | 1 | $49.98 | |
| Diamond Tier 2 Perfect Comfort Club membership: two maintenance visits/year, 26-point checkup, 20% repair discount, no overtime, priority service, 50% off service call fee, evaporator coil clean (limi | 1 | $600.00 | |
| Trip charge waived with performed and paid repair or service (Mon–Fri 7am–5pm). | 1 | $-49.98 | |
| Remove existing control board, install new control board, and test operations. | 1 | $660.00 |
Total: $1,260.00
— Photo Documentation
11 photos from this repair
Every step of this repair was documented on-site by Garrett.
— Frequently Asked
Questions about this repair
What was documented about the HVAC system?
Furnace control board failed and was not sending a signal to the indoor fan.
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.
— Related Repairs
More real repair case studies from AZ Perfect Comfort
— 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.