This unit of instruction on insulation, caulking, and weatherstripping homes was designed for use by home economic teachers in Florida high schools and by home economics extension agents as they work with their clientele. It is one of a series of 11 instructional units (see note) written to help teachers and agents to educate their students and clients about the problems of energy shortages and strategies for energy conservation and management. Topics covered in this unit include the purpose and results of proper insulation; four methods of insulating a house; advantages and disadvantages of various types of insulation materials; R values; how to insulate a house; cost of installing insulation; and materials and methods used in caulking and weatherstripping. The unit contains student performance objectives, content information, teaching-learning activities, student handouts, transparency masters, and evaluation instruments. (KC)