This one started as a routine morning service call in Lehigh Acres. The homeowner's system was running but not keeping up, which in early September in Southwest Florida is the most common complaint I get. I hooked up my gauges and the numbers told the story right away. The system was low on refrigerant. Not a little low. It took three pounds of R-410A to bring the charge back to where the manufacturer specifies.
Three pounds is a lot. A residential system in this size range doesn't hold that much to begin with, so losing three pounds means a real leak, not a slow seep that took five years to matter. Refrigerant doesn't evaporate or get used up. If it's gone, it left through a hole somewhere, and my job is to find the hole, not just refill the tank.
I charged the system so the house would cool while we sorted out the next step, and I went looking. The leak was on the indoor side, at the evaporator coil inside the air handler. That's the coil that sits in the airstream and pulls heat and humidity out of your house. Coils in this part of Florida fail more than they should. The combination of constant runtime, humidity sitting on the copper and aluminum for eight months of the year, and household chemicals in the air all chew away at the coil over time. When one starts leaking, you can't patch it in any way that lasts. It gets replaced.
Before I quoted a coil, I pulled the equipment information and checked the warranty. The coil was still covered by the manufacturer's parts warranty. That changed the whole conversation. The homeowner wasn't looking at buying a coil, they were looking at paying for the labor and the refrigerant to install one the manufacturer would ship at no charge. I wrote the estimate that way, ordered the coil, and we scheduled the replacement.
I came back eight days later with the new horizontal coil. This is not a quick swap. The air handler has to be opened up, the old coil cut out, the new one brazed in, the system pressure tested with nitrogen to make sure the new connections hold, pulled into a deep vacuum to get every bit of moisture and air out, and then charged back to factory weight. I was on site most of the day. When I left, the system was holding pressure, holding charge, and cooling the way it did the day it was installed.
The homeowner also signed up for the True Care Club while we were working through this, and the membership discount came off the labor on the coil job. That's the kind of situation the club is built for. A repair this size gets 15% cheaper, the diagnostic drops to $89, and I'm out there twice a year looking at the coil, the drain, the charge, and the electrical before something has a chance to strand them.
The takeaway for Lehigh Acres homeowners is this. If a company adds refrigerant to your system and doesn't tell you where it went, ask. Three pounds a year at today's refrigerant prices is real money, and you'll pay it every summer until someone actually fixes the leak. And always ask about the warranty before you agree to a coil or a compressor. Most manufacturers cover parts for ten years on registered equipment, and I've seen too many homeowners pay full price for a part that would have been free with a phone call. I check every time.
If your system is running but the house won't cool down, my AC repair page for Lehigh Acres covers how I work and what a service call costs. If you'd rather find a coil leak in March than in September, the True Care Club maintenance plan is $199 a year per system. The phone is answered 24/7 at (239) 810-2500.
True Care Air LLC | Florida License CAC1824801 | Owner-operated by Derrik Speck | Fort Myers and Southwest Florida | TrueCareAir.com