NEW BUSINESS ASSISTANCE: The North Charleston branch of the NAACP, Charleston County’s Small Business Enterprise and the Small Business Development Center hold a forum for aspiring business owners. 7-8:30 p.m. Alfred Williams Community Center, 4441 Durant Ave., North Charleston. Free. Call 225-6086 for more information.

HEATING, A/C GROUP: The American Society of Heating, Refrigerating and Air Conditioning Engineers meets. 5:30 p.m. Harbor Breezes, 176 Patriots Point Road, Mount Pleasant. $25. Email for more information.

MARKETING WORKSHOP: The Greater Summerville/Dorchester County Chamber of Commerce holds a workshop: “The Power of Email Marketing & Social Media Marketing Made Simple.” 10:30 a.m.-1:30 p.m. Firewater Grille, 109 Holiday Drive, Summerville. Scheduled speaker is Anissa Starnes, regional development director at Constant Contact. $20 for members; $35 for others. Seating limited. Go to greater or email for more information.

BUSINESS TAX WORKSHOP: The Internal Revenue Service and other sponsors hold a tax workshop for small-business owners covering federal and state tax requirements and employment security obligations. 9 a.m.-3 p.m. Small Business Development Center, 2430 Mall Drive, Suite 155, North Charleston. Free. Call 740-6160 to register or for more information.

HOUSING SUMMIT: The Lowcountry Housing Trust holds a summit, “Housing Matters.” 9 a.m.-5 p.m. Trident Technical College’s Complex for Industrial & Economic Development, Building 920, 7000 Rivers Ave. North Charleston. Scheduled keynote speaker is Mitchell Silver, chief planning and development officer and planning director for the city of Raleigh and president of the American Planning Association. Free, but space is limited. Advance registration required at housingmatters- Contact Debra Crawford at 973-7285 or for more details.

TEACHER APPRECIATION: The Greater Summerville/Dorchester County Chamber of Commerce holds its annual Teacher Appreciation Luncheon. 11 a.m.-1 p.m. Bethany United Methodist Church, 118 W. 3rd. South St., Summerville. Contact Abby Hartmann at 873-2931.

ADMINISTRATIVE GROUP: The International Association of Administrative Professionals’ Charleston chapter meets. 6 p.m. Marina Variety Store and Restaurant, 17 Lockwood Drive, Charleston. Register by May 16 at 958-4141. Contact for more information.