Jacksonville, FL
Air handler repair in Jacksonville when the blower won't move air
Blower motors, control boards, relays and wiring inside the indoor unit, diagnosed with meters and repaired so air moves through the house again.
Quick answer
Why is no air coming from my vents in Jacksonville, FL?
When the outdoor unit runs but no air comes from the vents in a Jacksonville home, the air handler's blower usually isn't running because of a failed blower motor, motor capacitor, control board or relay, or a tripped float switch. A technician tests each part before replacing anything.
Warning signs
Signs the air handler needs repair
Outdoor unit runs, no airflow
The blower inside isn't moving air.
Humming from the indoor unit
A blower motor trying to start and failing.
Burning smell at the vents
An overheating motor or wiring.
Airflow weak on every vent
A failing motor or a clogged blower wheel.
Blinking light on the board
The control board reporting a fault.
Frozen coil with little airflow
The blower not moving enough air across the coil.
Overview
The indoor half does the moving
The air handler holds the blower that pushes air through the coil and the ducts, the control board that tells everything when to run, and in many Florida homes the backup heat strips. When it fails, the outdoor unit may keep running while nothing comes out of the vents, which can freeze the coil and waste power.
We test the blower motor and its capacitor, check the control board's signals and relays, look at the float switch and wiring, and inspect the blower wheel for buildup. Newer variable speed motors have their own electronics, so we test those with the right tools rather than guessing.

What we fix
Blower motor failure
Blower motors wear out after years of long run times, and in this climate they run a lot. A failing motor may hum without turning, run slowly, overheat and shut off, or stop completely. We test the motor windings and its run capacitor, since a weak capacitor often mimics a dead motor and costs far less to replace. If the motor has failed, we replace it with the correct type and speed so airflow matches the system. The old motor's amp draw and the new one's are both recorded so you can see the difference.
Control board failure
The control board is the air handler's brain, switching the blower, heat strips and outdoor unit on command. Boards fail from age, power surges and moisture, and a failed board can leave the whole system unresponsive or cause odd behavior like the blower running constantly. We read any fault codes, test the board's inputs and outputs, and replace it only when it's actually the problem rather than a wire or fuse. We also look for the cause, such as a shorted thermostat wire or water damage, so the new board isn't lost the same way.

Air handler not turning on
When nothing at all happens indoors, we check the simple causes first: the breaker, the service switch, the float switch that cuts power when the drain clogs, and the low-voltage fuse on the board. Many no-power calls end there. If those are fine, we trace power through the transformer and board to find where it stops, and we clear any drain clog that may have caused the shutdown in the first place. You'll know exactly what cut the power before we leave, and how to spot it next time.
How the job runs
How an air handler repair runs
- 1
Call
A dispatcher books the next open technician.
- 2
Check power
Breaker, switch, float switch and fuse checked.
- 3
Test components
Motor, capacitor, board and relays tested.
- 4
Written price
One price for the repair.
- 5
Repair and verify
Airflow and temperature split confirmed.
Timing
How long an air handler repair takes
Capacitors, fuses, float switch issues and relays are usually fixed in one visit. Blower motors and control boards depend on having the right part for your model, and variable speed motors sometimes need ordering. We tell you on the spot whether the part is available.
Air handlers in Jacksonville homes
In Jacksonville the air handler usually sits in an attic, a garage closet or a hallway closet, and it runs for most of the year. That duty cycle is hard on blower motors and capacitors, and attic heat adds to it. Air handlers in the attic also sit above finished ceilings, which is why we check the drain pan and float switch on every air handler call, not just the part that failed.
Brands we service and install
Trane, Carrier, Lennox, Rheem, Goodman, Daikin, Mitsubishi Electric, American Standard, Bryant, Ruud, Amana, Honeywell, York, Heil
Cost factors
What affects the cost of an air handler repair
- The failed partCapacitors and fuses cost far less than motors or boards.
- Motor typeVariable speed motors cost more than standard ones.
- AccessAttic air handlers take longer to work on.
- ModelBrand-specific boards vary in availability.
- Related damageA clogged drain or frozen coil may need attention too.
Every air handler repair is priced in writing after diagnosis.
FAQ
Air handler repair questions
Why is my outdoor unit running but no air comes out?
The indoor blower likely isn't running, often a motor, capacitor or board problem.
Should I keep running the system?
No. Turn it off so the coil doesn't freeze and the outdoor unit doesn't run without airflow.
How long do blower motors last?
It varies; heavy use in Florida wears them faster.
Can a power surge damage my air handler?
Yes, control boards are often damaged by surges.
Is a variable speed motor worth replacing?
Usually, since it matches the system's design and humidity control.
Why is my air handler dead?
Often a tripped float switch, breaker or blown fuse.
Which air handler brands do you repair?
All major brands, including Trane, Carrier, Lennox, Goodman, Rheem and Daikin.
Related services
Other work on the same system
Emergency AC Repair
After-hours and weekend AC calls, answered live and dispatched to the next open technician.
Learn moreAC Repair
Warm air, frozen coils, dead capacitors and fans that stop: diagnosed with readings, priced before work.
Learn moreRefrigerant Leak Repair
Electronic detection and nitrogen testing to find the leak instead of refilling it every summer.
Learn moreAC Compressor Repair
Compressors that hum, trip or won't start, tested before anyone says replace.
Learn moreCondensate Drain Line Cleaning
Clogged drain lines cleared and treated, float switch tested.
Learn moreGet air moving through the house again
Call any hour. We'll find the failed part and price the repair before any work.