TOSOT is a globally recognized name in heating, ventilation, and air conditioning (HVAC) solutions, dedicated to setting new industry benchmarks for perforaTOSOT Supplies offers a standard 10-year warranty on every compressor and a 10-year warranty on all other parts for our equipment that we sold and that was installed by a licensed professional in a residential application. This warranty is only available to our preferred TOSOT dealers and contractors.mance and efficiency. With a strong foundation in cutting-edge technology and sustainable innovation, we bring products that cater to both residential and commercial needs.