
As temperatures rise in Marlton, NJ, a reliable AC system isn't just a luxury; it is a necessity for the safety and comfort of your home. If your AC is failing to keep up with the humidity or has stopped working entirely, it is time for a swift, professional repair. Contact Gibson Heating & Cooling directly or inquire about our financing options to restore your home’s climate immediately.
When your cooling system malfunctions, you need a solution that addresses the root cause rather than a temporary patch. We prioritize accurate diagnostics and efficient service to get your system back online quickly.
Fully licensed and insured, we offer competitive warranties and flexible financing options to ensure your repair is stress-free.

Air conditioning systems are complex machines with numerous electrical and mechanical components that must work in unison. When one part fails, it often triggers specific symptoms that indicate exactly what needs attention. Identifying these issues early can prevent a minor repair from becoming a catastrophic system failure.
One of the most frustrating issues homeowners face is an AC unit that runs but pushes warm or room-temperature air through the vents. This often points to a restricted airflow issue or a problem with the compressor. If the air filter is clogged with dust and debris, the system cannot pull enough air over the evaporator coils to cool it effectively. Alternatively, low refrigerant levels caused by a leak can prevent the heat exchange process required to cool the air.
While a low hum is normal, sharp banging, grinding, or squealing sounds are immediate red flags. A grinding noise often suggests a motor bearing is failing or that the fan blades are obstructed. Squealing usually indicates a belt issue or high internal pressure within the compressor. Ignoring these sounds can lead to the motor burning out or the compressor seizing, both of which are significant repairs.
Your air conditioner naturally dehumidifies the air as it cools, producing condensation. This water should drain away via the condensate line. However, if you see pooling water around your indoor unit, the drain line is likely clogged with algae or sediment. In some cases, a frozen evaporator coil can melt rapidly, overwhelming the drain pan and causing overflow. This requires immediate attention to prevent water damage to your flooring and drywall.
If your air conditioner turns on and off every few minutes, it is "short cycling." This puts immense strain on the compressor and drives up energy bills. This can be caused by an oversized unit, a failing thermostat, or safety switches tripping due to overheating or electrical faults. Professional diagnostics are required to determine if this is an electrical calibration issue or a mechanical obstruction.

When you request service, you are looking for a comprehensive resolution, not just a quick part swap. Our repair protocol covers the entire cooling ecosystem to ensure that fixing one part does not expose a weakness in another.
Every repair begins with a full electrical inspection. Technicians measure voltage and amperage on all motors to ensure they are operating within manufacturer specifications. We inspect the capacitor, which acts as a battery to start the compressor, as this is a common failure point. Loose wiring connections are tightened to prevent arcing and potential fire hazards.
If your system is low on refrigerant, simply adding more is not the solution. Gibson Heating & Cooling technicians utilize advanced detection tools to locate the source of the leak. Once the leak is sealed and the integrity of the lines is verified, we recharge the system to the precise factory-specified level. Incorrect refrigerant charge significantly reduces energy efficiency and cooling capacity.
A clean system is an efficient system. Repair services often include clearing blockages in the condensate drain line to prevent water damage. We also inspect the outdoor condenser coil. If this coil is matted with dirt, grass clippings, or pollen, it cannot release heat effectively. Cleaning this coil is often essential to resolving high-head pressure issues that cause the system to shut down on hot days.
Sometimes the issue lies not with the machinery, but with the brain of the operation. We verify that your thermostat is reading indoor temperatures accurately and communicating correctly with the control board. If you have a zoned system, we check the dampers and zone control panels to ensure air is being distributed to the correct areas of the home.
Transparency reduces anxiety during a home repair. We follow a structured process to ensure you know exactly what is wrong, what it will cost to fix, and how long it will take.
Homeowners often face the difficult decision of whether to invest in a repair or replace the entire system. Making the right financial choice depends on several technical and economic factors.
A general guideline used in the industry is the 50% rule. If the cost of the necessary repair approaches 50% of the value of a new system, replacement is usually the wiser investment. This is particularly true if the unit is out of warranty, as you are unlikely to recoup the cost of a major repair like a compressor replacement through extended lifespan alone.
Air conditioners in the Marlton area typically last between 10 and 15 years depending on maintenance levels. If your unit is over 12 years old and requires a significant repair, replacement offers better long-term value. Additionally, older systems may utilize R-22 (Freon) refrigerant, which has been phased out. Repairs involving R-22 are becoming prohibitively expensive due to scarcity. Newer systems use R-410A or newer eco-friendly refrigerants, which are cheaper to service.
Older units often have a SEER (Seasonal Energy Efficiency Ratio) rating of 10 or 12. Modern standards require a minimum of SEER 14, with high-efficiency units reaching SEER 20 or higher. By replacing an aging unit, the monthly savings on electricity can help offset the cost of the new installation. If your current unit constantly struggles to dehumidify your home or requires frequent minor repairs, it is signaling that it has reached the end of its useful life.
Operating an HVAC system in South Jersey requires attention to specific regional factors. The local climate features humid subtropical conditions, meaning your AC has to work twice as hard: it must lower the temperature and remove significant moisture from the air.
In our region, an oversized AC unit is detrimental. If a unit is too large, it will cool the house too quickly and shut off before it has had time to dehumidify the air. This leads to a cold, clammy indoor environment. Proper repair and maintenance ensure your system runs long enough cycles to effectively remove humidity, which is crucial for preventing mold growth and maintaining comfort.
For standard repairs like replacing a capacitor, contactor, or fan motor, permits are generally not required. However, if the repair involves replacing the entire condenser unit or making significant alterations to the electrical or gas lines (in the case of combined systems), permits from Evesham Township may be necessary. We handle the logistical details regarding code compliance so you do not have to worry about regulatory issues.
Given the potential for snowfall in the winter and moderate annual precipitation, protecting your outdoor unit is vital. While you should never wrap the unit in airtight plastic (which traps moisture and causes rust), placing a piece of plywood over the top of the fan guard during winter can prevent ice and debris accumulation. However, it is critical to remove any covers before the first warm day of spring to prevent overheating the compressor upon startup.
Finding a service provider who understands the intricacies of residential cooling systems is essential for long-term reliability. We focus on technical excellence and customer transparency — read our reviews.
Our team undergoes regular training to stay updated on the latest HVAC technologies, from variable-speed compressors to smart thermostat integration. We invest in the proper tools to diagnose issues accurately the first time, preventing the "trial and error" approach that wastes your time and money.
We understand that an AC breakdown is stressful. Our technicians are trained to be courteous, punctual, and tidy. We utilize drop cloths and protective gear to ensure your home is left in the same condition we found it, minus the broken air conditioner.
We stand behind the quality of our workmanship. Repairs come with warranties on both parts and labor, providing you with peace of mind. We believe in fixing the system correctly so you don't have to call us back for the same issue a week later.
Don't let a malfunctioning air conditioner compromise your comfort or safety during the peak of summer. Whether you are dealing with a frozen coil, a failing compressor, or simply a system that cannot keep up with the heat, immediate professional attention is required.
We are ready to diagnose your issue, provide a clear solution, and restore cool air to your home efficiently.
Restore your home's cooling today. Contact us now to schedule your AC repair service.
our process
Our heating Process Section
01
We start with a comprehensive assessment of your needs.
02
We provide a clear, detailed estimate before any work begins.
03
Our certified technicians perform the work to the highest standards.
04
We ensure everything is working perfectly and leave your home clean.
testimonials
The Customer Experience:
Where Comfort Meets Reliability.
Trusted by Homeowners Across Burlington County.