Families everywhere have been counting on the reliability of Bryant home comfort equipment since 1904. Through the years, Bryant has established and maintained a reputation for delivering top-quality, energy-efficient home comfort equipment such as central air conditioners. Bryant offers a wide variety of models to satisfy your desire for comfort and value. Units are listed in descending order of efficiency, with short descriptions to help you choose the model that is right for you. QuantumPlus™ Deluxe Standard High Efficiency Standard Efficiency