The Refrigeration Service Engineers Society, the Air Conditioning Contractors of American and the Plumbing-Heating-Cooling Contractors-National Association will co-sponsor an indoor air quality seminar this fall at the inaugural ISH North America in Toronto.

The seminar, "Indoor Air Quality: Current Technologies and Applications," will be held Oct. 31 from 3:30 p.m. to 5 p.m. at Toronto's National Trade Centre.