CARS.COM — It’s hard to dispute that few things are as unpleasant as setting foot inside your car on a sweltering day only to discover that your air conditioner has failed you. But what happens when ...

Q: My furnace recently started making loud noises and seems to have weak airflow. I think the blower motor may be going bad, but I’m not sure. Is it better to replace my blower motor or buy a new ...