Today

“Efficiency Maine: Improving the Energy Efficiency of your Commercial Properties,” 7:30 to 9 a.m., Portland Regency Hotel, 20 Milk St., Portland. Maine Real Estate and Development Association breakfast program with Chuck Porter from Energy Resource Solutions. For details or to register, visit www.mereda.org.

“Starting Your Own Business: Everything You Need to Know,” 2 to 5 p.m., SCORE Offices, 100 Middle St., second floor, East Tower, Portland. Cost is $35 with online registration. For more information and reservations, go to www.scoremaine.com or call 772-1147 weekday mornings.

PubHub, 6 to 8 p.m., networking for the tech community with speaker Rob Kelley, founding partner of LiquidHub. Held at Casco Bay Technology Hub, 30 Danforth St., Portland. The program is free, but pre-registration is required at www.cascobaytechhub.com/tech-hub-events.php.

Wednesday

Maine Telecommunications Users Group meeting, 9 a.m. to noon, Fairchild Semiconductor, 85 Running Hill Road, South Portland. With presentations by Network Instruments and T-Mobile. The meeting is free, and all are welcome to attend. Visit www.mtug.org/ for more information and to register.

“Marketing and Promoting Your Website,” 9 a.m. to noon, Coastal Enterprises, Inc., 36 Water St., Wiscasset. Sponsored by Maine Women’s Business Center at CEI and the Lincoln County Regional Planning Commission. Pre-registration is required at www.wbcmaine.org/Events or by calling 882-7564. The cost is $25, and space is limited.

Thursday

“Workplace Wellness Programs for Employees,” 7:30 to 9 a.m., Thomas College, Student Commons, 180 West River Road, Waterville. Business Breakfast program with Willow Sherwood, executive director of the Wellness Council of Maine. Cost is $14 for Mid-Maine Chamber of Commerce members with advanced registration, $16 for members at the door and $20 for general admission. Contact the chamber at 873-3315 for more information or to register.

“Financial Incentives to Rehabilitate Historic Buildings,” 5:30 p.m., Gardiner Main Street offices, 177 Water St., Gardiner. Informational tax credit workshop for property owners within the downtowns and historic districts of Gardiner and other Kennebec Valley communities. The free workshop is open to the public. For more information, contact Patrick Wright at 582-3100.

Friday

“What’s Happening in Downtown Brunswick,” 3:30 p.m., Thornton Oaks, 25 Thornton Way, Brunswick. Overview of current and future plans with Stephanie Slocum, executive director of the Brunswick Downtown Association, and Margo Knight, town councilor and chair of the Downtown Master Plan Committee. The public is welcome.

Saturday

Greater Kennebunks Home and Business Expo, 9 a.m. to 4 p.m., Kennebunk High School. With more than 70 vendors, entertainment, informational sessions and crafts for children. Admission is $2 per person, or bring a food item to donate to the Church Community Outreach Food Pantry. For more information, call Kennebunk-Kennebunkport Chamber of Commerce at 967-0857 or go to www.visitthekennebunks.com.