Homeowners' pick for heating and cooling across central Kentucky and the Bluegrass
HVAC Keeps Blowing the Breaker
Your AC or furnace kicks on, and a few seconds later the whole thing goes dead and the breaker is off. You flip it back, it runs, then it trips again. That is the system or the wiring telling you something is wrong. Here is what to do first, what to leave alone, and when to call us.
Call (888) 560-0120- You reach a person, not a menu
- Open every day
- The quote comes first, in writing
Taking calls until 5:00 PM ET
By our service team · vetted by the techs who do this daily
Safety First: What To Do Before Anything Else
1. If you smell gas or rotten eggs, or a carbon monoxide alarm is sounding, get everyone out of the house first. Call 911 or your gas utility from outside, then call us once they say the building is clear. 2. If you see smoke, smell hot plastic or scorched wiring, or the breaker panel is warm or buzzing, leave the house and call 911. 3. If none of that applies, go to the panel and leave the tripped breaker in the OFF position. 4. Set the thermostat to OFF so the system cannot try to restart. 5. Then call us and tell us what you saw.
What Not To Do
Do not keep resetting the breaker. A breaker trips to stop current it cannot safely carry, and each reset sends that load through a fault again. Two resets is the limit. Do not tape, wedge or hold a breaker in place, and never swap in a larger breaker to stop the tripping. That removes the only protection the circuit has. Do not open the outdoor disconnect box, the electrical panel on the air handler, or the furnace control compartment. Those hold high voltage even with the thermostat off. Do not touch refrigerant lines or gas piping. And skip the hardware store capacitor. Guessing at parts on a live circuit is how people get hurt.
The Safe Checks You Can Make Yourself
There are a few things you can look at without opening anything. Put in a fresh filter if the current one is grey and packed. A choked filter makes the blower and compressor work harder, and heat is what pushes a breaker over the edge. Walk outside and clear grass clippings, leaves, cottonwood fluff and mulch away from the condenser so air moves through the coil. Confirm supply and return vents are open and not blocked by furniture or rugs. Check the thermostat batteries and make sure it is set to the mode you want. Note whether the breaker trips on startup or after ten or twenty minutes. That timing helps us.
What Usually Causes It
On the cooling side, the common ones are a failed capacitor, a compressor drawing too much current, a shorted contactor, a seized condenser fan motor, or a coil so dirty the unit cannot shed heat. Low refrigerant charge and a restricted filter both push amp draw up. On the heating side, a locked blower motor, a bad control board or a chafed wire touching the cabinet will do it. Around the region we see plenty of older farmhouses where ductwork and wiring were added long after the house went up, and undersized or aged circuits show up as nuisance trips. Propane and dual-fuel systems add a changeover control that can stick and hold a relay closed.
When To Call Us
Call us if the breaker trips more than once, if it trips the moment the system starts, or if it has ever tripped with a burning smell. We handle air conditioning repair, air conditioner repair, heating repair and furnace repair for homeowners across Georgia, Indiana, Kentucky, Ohio, Tennessee and West Virginia. We meter actual amp draw against what the equipment is rated for, check the capacitor and contactor, look at motor windings, and follow the wiring from the disconnect to the board instead of replacing parts on a hunch. If the fault is in the house wiring rather than the HVAC equipment, we will tell you plainly so you can get an electrician out.
HVAC Keeps Blowing the Breaker — common questions
Is it safe to reset the breaker once?
One reset is reasonable if there is no burning smell, smoke or heat at the panel. If it trips again, leave it off and set the thermostat to OFF. Repeated resets drive fault current through damaged parts.
Why does the AC only trip the breaker on hot afternoons?
Heat raises amp draw. A unit already running near its limit from a dirty coil, weak capacitor or low charge will cross the breaker's threshold once outdoor temperatures climb. The underlying fault is there on mild days too.
Could the breaker itself be the problem?
Yes. Breakers weaken with age and repeated tripping, and one that trips at lower loads than it should needs replacing by an electrician. We measure the equipment's draw first so you know which side the fault is on.
How it works
- Step 1
Tell us the symptom
Call or fill in the quote form and describe what changed. Warm air, no air, a smell, a noise, a breaker that keeps tripping. That detail tells us what parts to bring along.
- Step 2
We diagnose on site
We check the thermostat, the electrical side, airflow and the equipment itself before we quote anything. If the problem sits in the ductwork rather than the unit, we say so plainly.
- Step 3
We repair and explain
Most air conditioning repair and heating repair work finishes in one visit. We show you the failed part, explain what caused it, and tell you what to watch for next season.
- A real person answers
- Open 7 days
- Written quote before work starts
Why homeowners call us
- Propane and dual fuelPlenty of homes in our service area run propane heat or a dual fuel setup with a heat pump. We know how those systems switch over and why a bad changeover setting can leave you cold and burning fuel.
- Older houses, added ductworkFarmhouses often got ducts decades after they were built, run through crawl spaces and attics. When the equipment tests fine but rooms still fight each other, we look at the duct runs and static pressure.
- Repair before replacementA failed capacitor, a cracked wire, a clogged drain or a bad control board is a repair, not a new system. We tell you when the equipment is genuinely finished and when it is not.
- Plain talk on the phoneWe ask what the thermostat reads, whether the outdoor unit is spinning, and when it last worked normally. That two minute conversation often shortens the visit and keeps the repair cost down.
- All major brands, gas & electricCarrier, Trane, Lennox, Goodman, Rheem, York and more, as an independent company.
- Straight answersIf a system is not worth repairing, we say so, often right on the phone.
About this guide
Safe checks done and it still misbehaves? That's a real fault
Tell us what you tried and what it did. The booking itself takes a minute.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
Rather not call? Get a free quote →