I have been in the HVAC field for the past 18 years. I can help with most HVAC questions. I work on commerical buildings for the most part, and have yet to find anything I could not troubleshoot and repair, when repairable. I work on small 1 ton units to a 2500 ton chiller. Troubleshoot air flow, elect, and control problems. I attend regular classes to keep up with the latest and greatest.
I work on commerical sites, hospitals, gov't buildings. I can troubleshoot just about anything in the HVAC business.
5 years trade school, VFD training classes, Liebert factory training, some York and Trane factory training.
Always a new challange, and a different problem to solve.
Units have different layouts in relationship to the A coil. The unit can be a force though or a draw through. In some cases the coil can be accessed both through the access panels and the air entering
Consider yourself lucky to have a unit still working after 23 years in Florida. The average life of a unit in Florida is round 15 years. In some ways units are better, and in some ways they may not
That fact that you do not live in the same state as I do, am not really sure. My state requires mech. contractors to be licensed by the state. There is a means to which to file a complaint because of
The answer really depends on how the system was installed. Every system needs a filter in it somewhere. Sometimes the filter is in or near the unit, while other times the filter is located in the return
There are quite a few brands to pick from. There are also many common parts used between them. I would stick with a know brand, and not some off the wall brand. Look for ones with the best warranties
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