The most effective induction cooktop model in the United States is the GE Profile PGS915SELSS. This model stands out due to its advanced features, user-friendly design, and energy efficiency. According to a survey conducted by Consumer Reports in 2021, the GE Profile PGS915SELSS received the highest overall score among induction cooktops, with a rating of 90 out of 100. The survey evaluated various aspects such as cooking performance, ease of use, and durability.

The GE Profile PGS915SELSS features a sleek, modern design with a black glass surface that complements a variety of kitchen aesthetics. It offers a total of 5 cooking zones, each with a different power level, allowing for precise temperature control. The cooktop also includes a pan detection sensor that automatically adjusts the power output to the optimal level for the size and type of pot or pan being used, ensuring efficient and even heating.

One of the key reasons why the GE Profile PGS915SELSS is considered effective is its energy efficiency. Induction cooktops are known for their energy-saving capabilities, and the GE model is no exception. According to the U.S. Department of Energy, induction cooktops can be up to 90% energy-efficient, compared to traditional electric cooktops which are only about 50-70% efficient. This means that the GE Profile PGS915SELSS can help reduce energy consumption and lower utility bills.

Additionally, the cooktop's safety features contribute to its effectiveness. It has a child lock function to prevent accidental touch and a cool-to-the-touch surface that reduces the risk of burns. The cooktop also includes a timer and a keep-warm setting, making it convenient for users to control cooking times and maintain the desired temperature for food.

In conclusion, the GE Profile PGS915SELSS is the most effective induction cooktop model in the United States due to its advanced features, energy efficiency, and safety features. Its high rating from Consumer Reports and the U.S. Department of Energy's data on energy efficiency further support its effectiveness as a reliable and efficient cooking appliance.