Q: Tim, I've got a forced-air furnace. Several rooms in my house are cold in the winter and are hot and stuffy in the summer when the AC is on. Most of the rooms are comfortable. Why do you think this ...

Debbie Wolfe is an author and content creator. In addition to being a contributing writer at Forbes, she writes for other leading online home improvement, DIY, and garden media outlets and online ...

Learn what CFM means in HVAC, why it matters for airflow and comfort and how to choose exhaust fans and ERVs that boost comfort and efficiency.