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This webinar provides a practical and technical overview of variable speed PTAC and VTAC systems utilizing inverter-driven compressor technology, with a focus on how these systems operate and why they are increasingly adopted in modern HVAC applications. Participants will gain an understanding of the evolving efficiency demands within the HVAC industry and how inverter technology addresses energy consumption, comfort, and equipment longevity challenges compared to traditional single- and dual-speed compressor designs.

We will explain the fundamentals of inverter-driven operation, including the conversion of single-phase AC power to DC power and back to variable-frequency three-phase AC using capacitors and insulated gate bipolar transistors (IGBTs). These concepts are tied directly to real-world performance benefits such as improved part-load efficiency, reduced electrical stress, and smoother compressor operation.

In addition, we will cover comfort and system protection considerations, including humidity control, dehumidification with reheat, and the importance of voltage monitoring and surge protection for inverter-driven equipment. The session concludes with a forward-looking discussion on industry trends, including AI and smart-home integration, sustainability initiatives, emerging refrigerants, and expected market growth in sectors such as hospitality and assisted living.

1. You don’t have to leave your office. The entire training session is conducted from the convenience of your desk or meeting room.
2. No fancy technology required. A computer or smart phone with a good Internet connection is all the equipment you need. Just log in and start learning.
3. No wasted time. Our compact, one–hour sessions fit into the busiest of schedules. In no time, you’re back on the job using the wealth of relevant information you gained.
4. Earn PDH credit. Webinars earn PDH credit for engineers in all states, unless noted otherwise in the literature for a specific webinar.  For more details, check your state requirements.
5. You have nothing to lose. Noon Pi webinars are offered to engineers free of charge!