DuraComfort 12000 BTU ASHRAE / 8150BTU(SACC) portable air conditioners with heating capability offer great flexibility, allowing you to adjust indoor temperatures according to the season and personal preferences. In the summer, you can set it to a range of 61-90℉, and in the winter, it can be adjusted to 55-81℉. This is very useful for maintaining comfort and energy efficiency in varying temperature conditions and adapting to changes in indoor and outdoor temperatures, ensuring that your living environment is always comfortable. The portable AC unit with heating is suitable for larger spaces up to 350 square feet. Additionally, this temperature range can be controlled via a smartphone app, making it convenient for you to use and adjust everywhere.