If your air conditioner needs refrigerant added more than once, it almost certainly has a leak. Refrigerant is not fuel that gets used up in normal operation. It circulates in a sealed system, so a system that keeps going low is losing refrigerant somewhere, and topping it off without finding the leak only buys a short period of cooling while the underlying problem continues.
We handle AC refrigerant leaks as part of our core repair work, and our first job is diagnosis, not a refill.
How a Real Leak Diagnosis Works
A real leak diagnosis starts with the symptoms and the history.
How often has refrigerant been added?
Is cooling fading gradually, or did it stop suddenly?
Is there ice on the lines, water around the indoor unit, or a hissing sound?
Those clues help a technician decide where to look, but they do not replace testing.
Testing can include checking pressures and temperatures, inspecting accessible joints, coils, and line sets, and using leak-detection methods suited to the system and the suspected location.
Where Leaks Are Found
Sometimes a leak is at a fitting or valve and can be repaired directly. Sometimes it is in a coil, where the right answer depends on the age and condition of the equipment and whether repair or replacement of that component makes sense.
What a Leak Diagnosis Should Not Be
What a leak diagnosis should not be is a refill with no explanation, or a replacement quote with no leak found. You should be told where the leak is, or what was tested and what remains uncertain, and what your options are. That honesty is especially important in South Orange County homes in Mission Viejo, Lake Forest, Laguna Hills, Laguna Niguel, Aliso Viejo, and nearby cities, where many systems are older and a quick top-off can be repeated year after year at growing cost.
Frequently Asked Questions
How often should I add refrigerant?
In a healthy sealed system, you should not need regular top-offs. Repeated low refrigerant means a leak needs to be found.
Is a leak dangerous to ignore?
A leaking system cools poorly, works harder, can freeze up, and may eventually fail, so it should be diagnosed rather than repeatedly refilled.
Does a leak always mean I need a new system?
No. Many leaks can be repaired, depending on location and equipment condition. Replacement is a separate decision, based on diagnosis, not a default response to a leak.
Call Fortt Mechanical
Fortt Mechanical Inc is a family-owned, father-and-son HVAC company based in Mission Viejo, with over 40 years of experience. CA HVAC License #646285.
If your system is low on refrigerant, or another company has told you to keep adding it, call (949) 201-0491 for a diagnosis.
Service Area
We serve residential customers in South Orange County, and our replacements and installations are for existing homes and buildings. Please note: we do not do new construction.
