that would depend on your goal. if you live in a highly-humid wet environment a dehumidifier would pull water out of the air to a more comfortable area. if your forced-air heating tends to dry your environment as it often does some extra humidity in the air will make your inside air quality more breathable. it is really a personal choice since there could be needs for both depending on the time of year the season health status and your geographic area.
humifer vs dehumifer with force air heating. i want to know with force air heating if i should get the humifer or dehumifer.