Provides energy improvements to make homes safer, healthier, and more affordable to live in. Home Weatherization Assistance Program (HWAP) services include attic, wall and basement insulation; heating system repairs or replacements; air-leakage reduction; and other measures where appropriate. Additional service options for HWAP participants are also available for Columbia Gas customers. These could include help with: - Insulation — attic, floor, walls, pipes, and ducts. - Energy efficient light bulbs. - Refrigerators. - New energy efficient water measures (low flow shower heads, aerators, hot water heater blanket). - Energy Education.