All rights reserved. Printed in the United States of America. Page 4 a word that matches the picture (Listening Comprehension standard score = 84) and generate words within a category, describe scenes, and give directions (Oral Expression standard score = 83).
The power is supplied by a transformer, and when the thermostat makes contact between the 24 volt power and one or two of the other wires, a relay back at the heating/cooling unit activates the corresponding heat/fan/cool function of the unit(s).
Meet the Nest, the World's First Learning Thermostat. Your thermostat controls almost half your energy bill â more than TVs, computers, appliances and lighting combined â but a lot of that energy is wasted. A properly programmed thermostat can cut your heating and cooling bills by 20%.