The Carrier brand offers three series of furnaces and air conditioners — Infinity, Performance, and Comfort. Each series has a range of different sizes and efficiency levels. The result is approximately 50 furnaces and 30 air conditioners to choose from. Jacobs also carries a wide variety of heat pumps, water heaters, thermostats, and indoor air quality products. We can help you determine the right size and type of system by learning about your needs and performing a detailed load calculation of your space.