AC Repair
Weak cooling, a system that will not start, ice on the lines or water where it should not be. We diagnose residential air conditioning across South Jersey and Southeastern Pennsylvania and explain what we find before anything gets replaced.
- Diagnosis before any quote
- Refrigerant leaks located, not just topped off
- Straight answer on repair versus replacement
- Central AC, heat pumps and mini-splits
Check these before you call
A few things are worth ruling out, and they resolve a fair number of calls:
- The thermostat. Set to cool, and below the current room temperature. Replace the batteries if it uses them.
- The filter. A badly clogged filter is the leading cause of weak cooling and frozen coils. If it is grey and packed, replace it.
- Both breakers. Cooling systems typically have separate breakers for the indoor and outdoor units. Check both. Reset once — if it trips again, stop and call.
- The outdoor unit. Clear leaves, grass clippings and debris away from it, and make sure nothing is stacked against the sides blocking airflow.
- Ice. If you see ice on the lines or coil, switch cooling off and the fan on, and let it thaw completely before running it again.
Past this point you are into refrigerant and electrical work, neither of which is homeowner-serviceable. Refrigerant handling is federally regulated and requires certification.
Cooling problems we diagnose
If your system is doing one of these, it is worth looking at. Several get worse — and more expensive — the longer the system keeps running.
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Blowing air, but it is not cold
The blower works while the cooling side does not. Often refrigerant, compressor or capacitor related, or a system that has iced over.
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The outdoor unit will not start
A silent condenser while the indoor blower runs is a strong clue — commonly a capacitor, contactor or electrical supply issue.
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Ice on the refrigerant lines or coil
Almost always restricted airflow or low refrigerant. Turn the system off and let it thaw; running it iced can damage the compressor.
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Water around the indoor unit
Usually a clogged condensate drain. Worth addressing quickly — this is the failure that damages ceilings and floors.
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Short cycling
Starting and stopping every few minutes. Hard on the compressor, and typically airflow, refrigerant charge, control or sizing related.
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It runs constantly and never catches up
Extended run time in extreme heat is normal. Running nonstop while the house warms is not, and suggests lost capacity.
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Loud buzzing, clicking or grinding
Electrical buzzing and mechanical grinding are different problems. Both are worth stopping the system for rather than running it harder.
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The house is cold but clammy
Cooling without dehumidifying often indicates an oversized system that satisfies the thermostat before it removes moisture.
If you see or smell smoke, or notice a burning electrical smell, shut the system off at the breaker before calling. If anyone in the home is showing signs of heat illness, treat that as a medical emergency first.
What a repair visit looks like
- You describe the symptoms
Whether the outdoor unit runs, whether air moves, whether there is ice or water, and when it started.
- We diagnose the actual cause
Including locating refrigerant leaks rather than simply adding refrigerant and leaving the underlying problem in place.
- We explain what we found
What failed, what repair involves, and honestly whether the system is worth repairing.
- You decide, then we work
Nothing happens without your approval.
The refrigerant conversation
Refrigerant deserves its own explanation, because it is where cooling customers most often get taken advantage of.
A refrigerant system is sealed. Under normal operation it neither consumes nor loses refrigerant — the charge that was installed should still be there years later. So when a system is low, the refrigerant did not get used up. It escaped, which means there is a leak somewhere.
Adding refrigerant without finding that leak restores cooling temporarily and guarantees the same call next season, at the same cost, with the leak still there. On some systems that is an expensive cycle to repeat. Our approach is to find where it is going and tell you what repairing it involves, including when the honest answer is that the repair is not economical and replacement deserves consideration.
Most refrigerant loss is preventable in the sense that it is catchable early — seasonal maintenance checks system performance in spring, when a developing problem is still a scheduling question rather than a July emergency.
Who is coming to your house
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25 years of HVAC experience
Co-founder Steve Dingas has spent approximately 25 years working in the HVAC industry.
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Veteran co-founded
Steve Dingas is a United States Marine Corps veteran. Four Seasons Comfort Systems was founded by Steve and longtime friend Keith Rambo.
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Focused on one region
We work in South Jersey and Southeastern Pennsylvania — the same climate and the same housing stock, season after season.
AC repair questions
My AC is frozen. What should I do?
Turn the cooling off at the thermostat but leave the fan running — that circulates air over the coil and speeds thawing. Do not chip at the ice, and do not keep running the system in cooling; operating an iced system can damage the compressor, which is the most expensive component you own. While it thaws, check your filter, because severe restriction is one of the two most common causes. The other is low refrigerant, which means a leak, and that needs a technician.
Do I just need more refrigerant?
This is worth being direct about: refrigerant is not consumed. A sealed system does not use it up the way a car uses gas. If your system is low, it leaked, and adding more without finding the leak means paying again next season while the leak continues. Anyone offering to simply "top it off" without looking for the cause is not doing you a favor. We locate the leak and tell you what repairing it involves.
Why is there water around my indoor unit?
Air conditioning removes humidity, and that water drains away through a condensate line. When that line clogs — usually with algae or debris — water backs up and overflows. It is a common problem and generally straightforward to address, but worth handling promptly: a slow overflow above a finished ceiling causes far more damage than the repair itself costs.
Is it worth repairing an older air conditioner?
It depends on the repair and the equipment. A capacitor or contactor on an otherwise sound system is clearly worth doing. A compressor replacement or a significant refrigerant leak on aging equipment is where replacement usually makes more sense — and on older systems, refrigerant availability and cost are a real consideration that we will explain if it applies to yours. We will tell you which situation you are in rather than defaulting to the larger job.
My upstairs never gets cool enough. Is that a repair issue?
Sometimes. Heat rises, so some difference is expected, but a pronounced one usually involves duct design, insufficient return air upstairs, leakage, or a system that is undersized for the layout rather than the square footage. Those are not always repairs — occasionally the most sensible fix is a ductless mini-split for the problem area rather than replacing a system that serves the rest of the house well. We will tell you what we actually find.
How fast can you get here?
We respond to service requests as quickly as we are able. We have not published a guaranteed response time because we would rather not promise something we cannot consistently meet, particularly during a heat wave when demand spikes across the whole region. Send a request with your situation and we will get back to you about scheduling.
Related services
Not cooling? Tell us what it is doing.
Serving South Jersey and Southeastern Pennsylvania. Send the details and we will respond about scheduling.