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 ...

Airflow is a critical component in the performance and efficiency of HVAC systems. Proper airflow ensures optimal heat transfer at the evaporator coil and distribution of properly conditioned air ...

The motor calculations presented here apply to changing conditions of a blower motor when pulley adjustments are made. However, these calculations are useful wherever electric motors are used. These ...