Offered spring. Offered at Missoula College. Prereq., NRGY 101. Provides an overview of energy efficiency opportunities in residential buildings with an emphasis on the Passivhaus standard. Prepares the student to take the National RESNET Home Energy Rater Exam, which is a required final exam. Local home and industry tours, and hands-on exposure to HVAC controls and maintenance are also offered. Study of the analysis techniques used for reduction of energy consumption and energy management, including energy accounting and energy auditing. Residential and commercial building energy efficiency opportunities will be covered. Other topics addressed include motors, pumps, green building, and purchasing energy supplies. Career opportunities in energy efficiency will be discussed. Several local tours of energy-efficient homes will occur throughout the semester.