AC making strange noises repair Greenville SC that finds the cause fast
Rattles, buzzing and grinding traced to the real part, not guessed at
If your system is rattling, buzzing or grinding, AC making strange noises repair Greenville SC starts with finding the exact part making the sound. We handle AC noise repair in Greenville for homeowners across Greenville County, from Downtown to Berea, and most noise calls are diagnosed within the first 30 minutes on site. October is a smart month to catch it, because a loose blower or failing capacitor rarely stays quiet for long.
AC making strange noises repair Greenville SC, explained
AC making strange noises repair Greenville SC is a diagnostic repair service that identifies the component producing the sound, confirms whether it is a safety or efficiency risk, and replaces or adjusts that part. A rattle is usually mechanical: a loose blower wheel, a failing condenser fan motor, or debris in the outdoor unit. A buzz often points to a bad capacitor or a chattering contactor. A grind or screech means metal-on-metal, and those calls should not wait.
Greenville summers push systems hard, and by fall the wear shows up as noise. If you are searching for AC making strange noises repair near me Greenville SC, the sound is your system telling you a part is on its way out. We see it constantly in older homes around Nicholtown and Sans Souci, where original ductwork and 15-year-old condensers amplify every vibration. Catching it early is what keeps a $200 capacitor replacement from becoming a compressor job.
Why homeowners call us about noisy AC units
A noisy system is rarely just annoying. It is the cheapest warning you will get before a part fails completely, and it usually shows up before your house stops cooling. Here is what you get when we handle the diagnosis and repair.
Sound traced to the part
We do not replace parts until we know which one is making the noise. A manifold gauge set and clamp meter confirm whether a buzzing condenser is a failing run capacitor or a contactor that is pulling too many amps. That 20-minute test is what keeps you from paying for a part you did not need.
Same-day noise repair
Most AC loud noise fix near me Greenville calls get a same-day slot when you call before noon. We stock run capacitors, contactors and condenser fan motors on the truck, so the common culprits are fixed in one visit instead of two. Average repair time runs two to four hours.
Quieter, cooler house
Once the failing blower motor or loose fan blade is corrected, decibel levels drop noticeably and airflow returns to spec. Customers in Overbrook and Heritage often tell us the house feels cooler at the same thermostat setting, because the system is moving the air it was designed to move.
Stops small noise, big bill
A $180 to $450 noise repair today prevents the $1,800 to $3,200 compressor replacement that follows a seized fan motor or a shorted capacitor. We also check refrigerant charge and the condensate drain line while we are there, so one visit covers the parts most likely to fail next.
What our noise repair visit looks like
You get a clear sequence from the first phone call to the final test, with no mystery about what we are doing or why. Here is how a typical AC making noise service Greenville appointment runs.
Phone triage
We ask what the noise sounds like, when it happens, and whether the house is still cooling. A grind at startup reads differently than a rattle only at high fan speed, and that five-minute conversation tells us which parts to load on the truck before we leave.
On-site sound check
The technician starts the system and listens at the air handler and the outdoor condenser separately. This isolates whether the noise is indoors, outdoors, or both, and it usually narrows the suspect list to two or three components within the first 15 minutes.
Electrical and mechanical testing
We test the run capacitor and contactor with a multimeter, check amp draw on the blower motor and condenser fan motor with a clamp meter, and inspect the blower wheel for debris or imbalance. Readings outside the manufacturer range confirm the diagnosis.
Repair and parts replacement
We replace the failed component, torque the mounting hardware, and clear any debris from the condenser cabinet. If refrigerant is low, we locate the leak with a leak detector before recharging with R-410A, because topping off a leaking system just means paying twice.
Test and quiet confirmation
We run the system through a full cooling cycle and listen again at both ends. You hear the difference before we pack up, and we show you the failed part and the readings that condemned it, so you know exactly what your money bought.
Why Greenville homeowners trust our noise repair
We are a local crew, not a call center. When you book AC making strange noises repair Greenville SC with us, the person who answers the phone is the person who can tell you what the sound probably means.
We name the part first
You get the diagnosis before the repair. We show you the failed capacitor, the scorched contactor, or the blower wheel with a bent fin, and we explain what the meter reading was supposed to be. No vague talk about wear and tear.
Parts stocked for one visit
Run capacitors, start capacitors, contactors, condenser fan motors and blower motors ride on every truck. That is why most AC rattling repair Greenville SC jobs finish the same day, with an average of two to four hours on site from arrival to final test.
Honest pricing, no upsell
Diagnostics run $89 to $129, and we credit that toward the repair when you approve the work. If the noise is a $15 blower wheel set screw that worked loose, we tighten it and tell you so, rather than selling you a motor you do not need.
Local to Greenville County
We work out of Greenville and cover ZIP codes 29601, 29605, 29607, 29609, 29614 and 29602 daily. That means short drive times, familiar neighborhoods, and technicians who know how Paris Mountain humidity and Upstate pollen loads affect the equipment we service.
What our noise repair service covers
Every noise call includes a full diagnostic of the components most likely to produce sound, plus a basic system health check. Parts are quoted separately once we know what failed, and you approve the number before we start turning wrenches.
What's Included
Full noise diagnosis
We run the system and isolate the sound at the air handler and condenser, then test the suspect parts with a multimeter and clamp meter. You get the reading, the manufacturer range, and a plain explanation of why the part is making noise.
Capacitor and contactor testing
A weak run capacitor is the single most common cause of a buzzing outdoor unit, and a pitted contactor chatters when it pulls in. We test both, replace what fails, and verify amp draw returns to spec after the swap.
Blower and fan motor inspection
We pull the air handler panel to check the blower wheel for debris, imbalance and bearing play, and inspect the condenser fan motor for wobble. A blower motor failure caught here costs far less than one that seizes mid-August.
Refrigerant and drain check
Low charge makes a compressor work harder and louder, so we verify pressures with a manifold gauge set and use a leak detector if readings are off. We also flush the condensate drain line and add drain pan tablets to head off the clog that causes water damage.
Post-repair quiet test
After the repair we cycle the system through a complete cooling run and listen at both ends again. You hear the result yourself, and we leave the failed part with you so you can see what was making the noise.
Noises we fix and what they mean
Most strange sounds fall into a handful of categories, and each one points at a different part. Here is what we find when Greenville homeowners call us about an AC making loud noise.
Buzzing from the outdoor condenser unit
A buzzing condenser is usually a failing run capacitor or a contactor that is chattering instead of pulling in cleanly. Left alone, the compressor draws high amps and can fail within weeks, turning a small repair into a major one.
We test the capacitor with a multimeter and check contactor voltage drop. If either is out of range, we replace it with an OEM-spec part, then confirm compressor amp draw is back within the nameplate range before we call the job done.
Rattling or vibrating at the air handler
Rattles inside the house often mean a loose blower wheel, a failing blower motor bearing, or a panel that is not seated. Vibration wears the motor mounts and can crack the wheel, which then throws the whole assembly out of balance.
We open the cabinet, check the wheel for debris and bent fins, inspect bearing play, and tighten or replace the mounting hardware. If the blower motor is failing, we swap it and balance the wheel so the unit runs smooth and quiet again.
Grinding or screeching at startup
Grinding is metal-on-metal and almost always means a bearing is seizing in the condenser fan motor or the blower motor. Running it longer can burn out the motor windings and, on some systems, damage the compressor circuit.
We shut the system down, confirm which motor is grinding, and replace it. Because we carry condenser fan motors and blower motors on the truck, most grinding calls are resolved the same day with a full amp-draw test afterward.
Clicking that repeats every few minutes
Repeated clicking usually means the system is short cycling, often from a failing contactor, a thermostat malfunction, or a refrigerant issue. Short cycling spikes your power bill and puts extra wear on the compressor with every start.
We test the contactor, verify thermostat calibration, and check refrigerant pressures with a manifold gauge set. Once we correct the cause, we run a full cycle to confirm the system holds a steady run instead of clicking on and off.
When Greenville homeowners call us
A homeowner in North Main hears a new rattle from the hallway air handler that started after the first cool snap in October.
We check the blower wheel for debris and balance, inspect the motor mounts, and test the blower motor amp draw. If the bearing is dry or the wheel is out of balance, we replace or reseat the part and retest airflow.
The rattle is gone, airflow returns to spec, and the homeowner avoids the mid-summer blower failure that was coming.
A rental property owner near Furman gets a tenant complaint about a loud buzzing from the outdoor unit that runs day and night.
We test the run capacitor and contactor, replace the failed part, and verify compressor amp draw against the nameplate. We also clear debris from the condenser coil and check the fan blade for cracks.
The buzz stops, the unit runs within spec, and the owner gets a written summary of the repair for their records.
A family in Berea calls because the AC is making a grinding sound and the house is no longer cooling well.
We isolate the grind to the condenser fan motor, replace it with a matching-horsepower motor, and confirm the blade is seated and balanced. We then check refrigerant charge and the condensate drain while the system is open.
The grind is gone, cooling is restored, and the repair costs a fraction of the compressor replacement a seized motor would have caused.
A homeowner in Augusta Road notices a high-pitched squeal only when the system first starts in the morning.
We test the start capacitor and contactor, inspect the blower bearings, and check belt-driven components if present. A weak start capacitor is replaced and the startup sequence is re-tested through three full cycles.
The squeal disappears, startup amp draw drops back into range, and the compressor is spared the hard starts that shorten its life.
Tools and methods we use on noise calls
Tools & Equipment
Manifold gauge set
Reads high and low side refrigerant pressures so we can tell whether a noisy compressor is starving for charge or working against a restriction.
Clamp meter
Measures amp draw on the blower motor and condenser fan motor. A motor pulling above nameplate amps is on its way out, even if it still spins quietly.
Multimeter
Tests capacitance on run and start capacitors and verifies contactor coil voltage. This is how we confirm a buzz is electrical before we touch a wrench.
Leak detector
Finds refrigerant leaks on systems that read low on the gauges. Recharging without finding the leak just means the noise and the cost come back.
Fin comb and coil cleaning pump sprayer
Straightens bent condenser fins and clears the coil so airflow and sound levels return to normal after debris and pollen buildup.
Nut driver set and flaring tool
Secures mounting hardware and makes clean flare connections when a line set or component has to be opened during the repair.
Methods & Techniques
Sound isolation at both ends
We run the system and listen at the air handler and the condenser separately before touching anything. This single step eliminates half the possible causes and keeps the diagnosis honest.
Electrical test before parts replacement
Capacitors, contactors and motors get tested with a multimeter and clamp meter against manufacturer specs. We replace what fails the test, not what looks old.
EPA Section 608 refrigerant handling
Any refrigerant work follows EPA Section 608 rules, including recovery with a recovery machine before opening a sealed system. That protects your equipment and keeps the job compliant.
Full-cycle verification
After the repair we run a complete cooling cycle and re-check amp draw, pressures and sound. A repair is not finished until the system proves it under real load.
How noise repair works in Greenville
Greenville's climate does specific things to AC equipment. Summers run hot and humid, which means the system cycles hard from May through September, and by October the wear shows up as noise. Fall pollen and leaf debris collect in condenser cabinets around Paris Mountain and Furman, where tree cover is heavy, and that debris unbalances fan blades and drives up amp draw. Older homes in Nicholtown, Sans Souci and Sterling often still have original ductwork and 15-year-old condensers, so a rattle that would be minor in a newer house can signal a blower motor on its last bearing. We also work in newer builds around Haywood Road and Cherrydale, where tight mechanical closets make air handler vibration louder inside the living space. If you need AC noise repair in Greenville South Carolina, we cover Greenville County daily and can usually reach you the same day. Our trucks carry R-410A, run capacitors, contactors and fan motors, so the common failures get fixed in one visit instead of two.
Service Areas
Condenser units on rooftops and tight side yards collect debris fast, and limited clearance makes fan blade imbalance a common noise complaint.
Older housing stock with original ductwork means blower motor noise travels through the house, so we check wheel balance and motor mounts on every call.
Heavy tree cover drops leaves and pollen into outdoor units, which unbalances the condenser fan and produces a rhythmic rattle at high speed.
Newer construction often puts the air handler in a small closet next to bedrooms, so even minor vibration reads as a loud noise to the homeowner.
Aging condensers and contactors here are frequent sources of buzzing, and we stock the replacement parts to fix them the same day.
Local Considerations
Long, humid Greenville summers
Extended run times wear capacitors, contactors and fan motors faster, which is why buzzing and rattling calls spike in late summer and fall.
Heavy Upstate pollen and leaf debris
Debris in the condenser cabinet unbalances the fan blade and raises amp draw, producing a rattle that gets worse the longer it is ignored.
Older ductwork in central neighborhoods
Undersized or leaky ducts make the blower work harder, and the resulting vibration is often what homeowners hear first.
Tight mechanical closets in newer homes
Limited clearance amplifies air handler noise, so we balance the blower wheel and check mounts to keep the sound inside the closet.
Buzzing condenser in Sans Souci
A homeowner called about a loud buzz from the outdoor unit that had been building for weeks. The system was still cooling, but the buzz was audible from the driveway and the power bill had crept up. The run capacitor tested well below its rated microfarad value.
We replaced the run capacitor with an OEM-spec part and rechecked compressor amp draw, which dropped back within the nameplate range. The buzz disappeared, and the homeowner reported the unit ran noticeably quieter within the first cooling cycle.
Maintenance & Follow-up
We recommend a spring capacitor test each year, since heat and run time are what degrade them. A $200 to $300 replacement beats the compressor failure a weak capacitor eventually causes.
A family in Berea described a grinding sound from the condenser and said the house was no longer cooling well. The condenser fan motor bearing had seized, and the blade was wobbling against the housing. Amp draw was well above nameplate.
We replaced the condenser fan motor with a matching-horsepower unit, seated and balanced the blade, and cleared debris from the coil. Cooling returned to normal, and the grind was gone on the first test run.
Maintenance & Follow-up
Keep the area around the condenser clear and rinse the coil each spring. Debris and pollen are what unbalance the blade and shorten motor bearing life.
A homeowner in Overbrook heard a rattle from the hallway air handler every time the system started. The blower wheel had collected debris and one fin was bent, throwing the assembly out of balance. The blower motor amp draw was climbing.
We cleaned and balanced the blower wheel, replaced the blower motor, and tightened the mounting hardware. The rattle stopped, airflow returned to spec, and the homeowner said the whole house felt cooler at the same thermostat setting.
Maintenance & Follow-up
Change the air filter every 60 to 90 days and have the blower wheel inspected annually. A balanced wheel is what keeps the motor quiet and extends its life.
What noise repair costs in Greenville
Typical 2026 pricing for AC noise repair in Greenville runs $180 to $850 depending on the failed part. A capacitor or contactor replacement sits at the low end, while a blower motor or condenser fan motor replacement lands higher because of the part and labor. Diagnostics run $89 to $129 and we credit that toward the repair when you approve the work. You get the number before we start, so there is no surprise on the invoice.
Pricing Factors
Which part failed
A run capacitor or contactor is a quick, low-cost swap. A blower motor or condenser fan motor costs more in parts and takes longer to install and balance, which moves the total toward the upper end of the range.
System age and access
Older units in tight mechanical closets take longer to open and reassemble. Restricted condenser clearance in Downtown Greenville side yards can add labor time to a job that would be faster in an open backyard.
Refrigerant work needed
If pressures read low, we locate the leak before recharging with R-410A. Leak repair and recharge add cost, but skipping the leak search just means paying for the same refrigerant twice.
Brand and part availability
Common brands like Carrier, Trane, Lennox, Goodman and Rheem use widely stocked parts. Less common equipment may need an ordered component, which can add a day to the timeline.
Additional repairs found
If we find a clogged drain line or a thermostat malfunction during the same visit, fixing it now costs less than a second trip. We quote it separately and you decide.
Typical Investment Range
$180 - $850 depending on the failed part and scope
Actual pricing varies based on project scope and requirements
Value You Receive
A noise repair is the cheapest intervention in HVAC. Spending $180 to $850 now to replace a failing capacitor or fan motor is what prevents the $1,800 to $3,200 compressor replacement that follows a seized part. We show you the failed component and the meter readings that condemned it.
Frequently Asked Questions
Have questions? We have answers. If you don't see your question here, feel free to contact us.
Call UsWhy is my AC making strange noises in Greenville SC?
In Greenville, the most common causes are a weak run capacitor buzzing, a failing condenser fan motor grinding, or a blower wheel that has collected debris and gone out of balance. Humidity and long summer run times wear these parts faster here than in drier climates. If the sound is a grind or screech, shut the system down and call us, because metal-on-metal means a bearing is seizing.
How much does AC noise repair cost in Greenville?
Most AC noise repair in Greenville runs $180 to $850 in 2026, depending on the failed part. Capacitor and contactor replacements sit at the low end, while blower motor and condenser fan motor replacements land higher. Diagnostics are $89 to $129 and we credit that toward the repair. You get the number before we start work.
Can you fix a noisy AC same day in Greenville South Carolina?
Yes, most same day AC noise repair Greenville SC calls booked before noon get a technician that day. Our trucks carry run capacitors, contactors, condenser fan motors and blower motors, so the common culprits are fixed in one visit. Average time on site runs two to four hours from arrival to final test. Call (903) 627-1334 to check today's availability.
What causes an AC to make loud noises in Greenville?
Loud noises usually trace to four things: a failing capacitor or contactor buzzing, a blower motor or condenser fan motor grinding, debris unbalancing the fan blade, or a compressor working against low refrigerant charge. Upstate pollen and leaf debris make the blade imbalance especially common around Paris Mountain and Furman. We test each suspect part with a multimeter and clamp meter before replacing anything.
Licensed, certified, local
Certifications
Customer Reviews
Our condenser had been buzzing for weeks and we kept putting it off. They tested the capacitor, showed me the reading, and replaced it the same afternoon. The buzz is gone and the unit is quieter than it has been in years. Fair price and no attempt to sell me a new system.
Grinding noise from the outdoor unit on a Friday morning. They came out before noon, confirmed the fan motor bearing had seized, and had a replacement on the truck. Cooling was back the same day. The technician explained the amp draw reading and why the motor failed.
Rattle from the hallway air handler drove us crazy for a month. They found a bent blower wheel fin and a worn motor, fixed both, and the house is finally quiet. They also flushed the drain line while they were there. Honest work and a clear explanation of the cost.
Related Services
Explore our other professional services
Central AC Repair
Most strange noises come from central system components like the blower motor, condenser fan motor or capacitor. If your noise call turns up a broader cooling problem, we handle the full central AC repair in the same visit.
Central AC RepairEmergency AC Repair
A grinding or screeching noise can mean a part is about to seize. When that happens after hours, our emergency AC repair service gets a technician to your Greenville home fast so the system is not run into a compressor failure.
Emergency AC RepairSame-Day AC Repair
Noise complaints are one of the easiest repairs to complete same day because the common parts ride on every truck. Book before noon and we can usually diagnose and repair your noisy system in a single visit.
Same-Day AC RepairResidential AC Repair
From hallway air handlers in Overbrook to rooftop condensers Downtown, our residential AC repair service covers the equipment Greenville homeowners actually have, including the noise diagnostics that come with it.
Residential AC RepairCommercial AC Repair
Restaurants, offices and retail spaces on Haywood Road and Pleasantburg deal with the same noisy capacitors and fan motors on a larger scale. We service commercial equipment and schedule the work around your business hours.
Commercial AC RepairDuctless Mini-Split AC Repair
Mini-split heads can develop a rattle from a dirty blower wheel or a loose mounting bracket. We diagnose and repair ductless noise issues alongside the standard central system work.
Ductless Mini-Split AC RepairHeat Pump Repair
Heat pumps share the compressor, fan motor and capacitor components that cause most noise complaints. If your heat pump is rattling or buzzing, we trace it the same way we trace a standard AC noise.
Heat Pump RepairCarrier AC Repair
Carrier systems have known failure patterns in the contactor and blower motor as they age. We stock common Carrier parts and can usually complete a noise repair on the first visit.
Carrier AC RepairTrane AC Repair
Trane condensers often develop a fan motor bearing noise after years of Greenville humidity. We test amp draw and bearing play, then replace the motor with a matching-spec part.
Trane AC RepairLennox AC Repair
Lennox air handlers are prone to blower wheel imbalance when filters are neglected. We clean and balance the wheel, check the motor, and quiet the system down.
Lennox AC RepairGoodman AC Repair
Goodman units are common in Greenville rentals, and their capacitors and contactors are frequent noise sources. We carry the parts and complete most repairs the same day.
Goodman AC RepairRheem AC Repair
Rheem systems can develop a chattering contactor that clicks every few minutes. We test the coil voltage, replace the contactor, and confirm the system holds a steady run.
Rheem AC RepairYork AC Repair
York condensers with debris-clogged coils run hot and loud. We clear the coil, check the fan blade balance, and verify amp draw is back within nameplate range.
York AC RepairAmerican Standard AC Repair
American Standard equipment shares components with Trane, so the same fan motor and capacitor noise patterns apply. We diagnose and repair them with the same parts stock.
American Standard AC RepairAmana AC Repair
Amana air handlers with worn blower bearings produce a rumble that travels through the house. We replace the motor and balance the wheel to restore quiet operation.
Amana AC RepairAC Compressor Repair
A compressor working against low charge or a failing capacitor gets louder before it fails. If your noise traces to the compressor, we diagnose the cause before recommending repair or replacement.
AC Compressor RepairAC Condenser Repair
The outdoor condenser is where most buzzing and rattling originates. We test the capacitor, contactor and fan motor, and clear the cabinet of the debris that causes imbalance.
AC Condenser RepairAC Evaporator Coil Repair
A frozen evaporator coil can cause a hissing or gurgling noise indoors. We diagnose the airflow or charge problem behind it and repair the coil issue at the source.
AC Evaporator Coil RepairAC Fan Motor Repair
Fan motor bearing wear is the classic grinding noise. We replace condenser fan motors and blower motors with matching-horsepower units and verify amp draw afterward.
AC Fan Motor RepairAC Capacitor Replacement
A weak run capacitor is the number one cause of a buzzing outdoor unit. We test capacitance, replace the failed part with an OEM-spec capacitor, and recheck compressor amp draw.
AC Capacitor ReplacementAC Contactor Replacement
A pitted contactor chatters and clicks, and it can leave your system short cycling. We replace it, verify coil voltage, and confirm the system runs a full cycle without clicking.
AC Contactor ReplacementAC Thermostat Repair
A malfunctioning thermostat can cause repeated on-off cycling that sounds like clicking. We test calibration and wiring, and repair or replace the thermostat as needed.
AC Thermostat RepairAC Refrigerant Leak Repair
Low refrigerant makes a compressor run louder and hotter. We use a leak detector to find the source, repair the leak, and recharge with R-410A to the correct weight.
AC Refrigerant Leak RepairAC Refrigerant Recharge
We recharge systems only after confirming and fixing the leak, because topping off a leaking unit just repeats the cost. Pressures are verified with a manifold gauge set before and after.
AC Refrigerant RechargeAC Drain Line Clog Repair
A clogged condensate drain line can cause gurgling and water damage. We flush the line, add drain pan tablets, and confirm the drain flows freely before we leave.
AC Drain Line Clog RepairAC Frozen Evaporator Coil Repair
A frozen coil restricts airflow and can produce odd indoor sounds. We find the cause, whether it is a dirty filter, low charge or a failing blower motor, and correct it.
AC Frozen Evaporator Coil RepairAC Blowing Warm Air
Noise plus warm air often means a failing capacitor or a refrigerant issue. We diagnose both together so you are not paying for two separate visits.
AC Blowing Warm AirAC Not Turning On
A failed contactor or capacitor can leave the system clicking but not starting. We test the start circuit and replace the failed component to get you cooling again.
AC Not Turning OnAC Short Cycling Repair
Repeated clicking and short run times point to a contactor, thermostat or charge problem. We diagnose the cause and repair it so the system holds a steady cooling cycle.
AC Short Cycling RepairWhat Greenville customers say
Real experiences from customers who chose our AC Making Strange Noises services
"The air handler in our hallway started rattling in October and got worse every week. They opened it up, found debris in the blower wheel and a motor that was pulling too many amps, and replaced it the same visit. The house is quiet again and the airflow is noticeably stronger. They showed me the old motor and the meter reading before they swapped it."
Marcus T.
Homeowner, North Main
"My tenant called about a loud buzz from the outdoor unit that she could hear from the driveway. They tested the capacitor, replaced it, and cleared a pile of leaves out of the condenser. The buzz stopped that afternoon. As a landlord I appreciated the written summary of what was replaced and why, since I was not on site."
Denise R.
Landlord, Furman area
"We had a grinding sound and the house was not cooling well. They diagnosed a seized condenser fan motor, replaced it with the right horsepower motor, and checked the refrigerant while it was open. Cooling came back the same day and the grind was gone. The price matched what they quoted on the phone."
Caleb W.
Homeowner, Berea
Book AC making strange noises repair Greenville SC today
Every noise has a cause, and most causes are cheaper to fix now than later. We are EPA Section 608 and NATE certified, licensed in South Carolina, and we stock the parts that stop the noise. Call (903) 627-1334 and we will get a technician to your door.