You may be familiar with the formula BTUH = CFM x ΔT x 1.08. This same formula is often rearranged to use for determining airflow by measuring the heat input and temperature rise. The factor 3.41 ...

Fresh, consistent airflow can turn a house into a haven. Smooth circulation prevents that telltale stuffiness, leaving you with even temperatures, fewer odors and a space that simply feels “right.” At ...