PORTLAND – Improving energy efficiency in older homes will be the featured topic at the 11th annual Old House Trade Show presented by Greater Portland Landmarks. The show, with exhibits from more than 55 New England providers of restoration products and services, will take place Saturday and Sunday, March 18 and 19, at the Westbrook Campus of the University of New England.

Attendees can get answers to questions about specific restoration and repair topics, as well as participate in eight workshops (free with admission). The show runs from 9 a.m. to 5 p.m. Saturday and from 10 a.m. to 4 p.m. Sunday. Cost: $10.

FMI: (207) 774-5561, ext 105; or [email protected] (subject: Trade Show);or www.port-landlandmarks.org.