The City's Renew Boston initiative and West Roxbury Saves Energy are hosting two presentations to help you tighten up your home. Learn about no-cost energy assessments and incentives of 75% off insulation and air-sealing up to $2,000. The program includes rebates for heating and hot-water upgrades, appliances, and more. Refreshments seved. This presentation repeats on Monday, March 4, at 6:45 at the West Roxbury Library, 1961 Centre Street.