Circuit Board Replacement
The control board is essentially your AC's brain — when it fails, the system can stop responding to the thermostat entirely, even though individual components are otherwise fine.
Signs you need this repair
If you're seeing any of these, it's a strong indicator this is the fix your system needs.
How it's fixed
What a technician actually does during a circuit board replacement visit.
Isolate the fault
The technician uses a multimeter to determine whether the problem is actually on the control board itself, or elsewhere in the control circuit.
Inspect for visible damage
The board is checked for scorch marks, blown capacitors, or corrosion — visible signs that often confirm board failure.
Install a matched replacement board
A replacement board matched to your system's exact model and control scheme is installed.
Re-terminate and test
All wiring is carefully re-terminated to the new board, and the system is run through a full cycle to confirm normal operation.
Why this is common in Las Vegas
During peak summer, when the entire city runs air conditioning simultaneously, the power grid experiences small voltage fluctuations that ripple through to individual homes. Over time, these minor spikes gradually degrade sensitive circuit board components — a stress most other climates simply don't put systems through as often.
Common questions
How do I know it's the circuit board and not something simpler?
A technician tests this directly rather than guessing — a board failure often looks similar to a thermostat or contactor issue from the outside, so proper diagnosis matters.
Is a circuit board replacement always this price?
This flat rate covers standard residential control boards. Less common or specialty boards may require a separate quote, which your technician will confirm before starting work.
Can a power surge cause this?
Yes — surge-related damage is one of the more common causes we see, particularly during Las Vegas's peak-demand summer months.
Available across the Las Vegas Valley
This flat rate applies wherever you are in the valley, including Summerlin, Henderson, Spring Valley, and every neighborhood we serve.
Other common repairs
Book your circuit board replacement
Tell us a bit about your system and we'll get a technician out — usually same day.
Request received
We'll call you shortly to confirm your appointment window.
Need it sooner? Call 702-335-7141 directly.