SEER2 is the latest U.S. standard for measuring how efficiently an air conditioner or heat pump performs in real-world conditions. A higher SEER2 rating means lower energy use, reduced electricity bills, and more consistent comfort. In this guide, we break down what SEER2 means, how different levels compare, and how to choose the right TOSOT mini-split for your space and lifestyle.
Life Well Lived
When a heat pump blows cold air in winter, it doesn’t always mean a failure. In many cases, the system is running defrost mode to maintain efficiency in cold, humid conditions. This article explains what’s normal and when to contact an HVAC professional.
A mini-split with a heat pump offers efficient year-round heating and cooling—without ductwork. It’s a smart option for older homes, small spaces, and additions, and it can still draw heat even in freezing weather.
