Since this column's inception, we've received a substantial number of questions concerning air-conditioning troubleshooting. Answering each one would take quite some time, but we will attempt to ...

In this troubleshooting situation your customer is requesting a second opinion on a proposed repair to their air-to-air heat pump. They originally called for service when they noticed that the house ...

Dear Tom and Ray: I have a 2002 Honda Civic. My air conditioner starts off blowing cool air, but after several miles of driving, it blows only hot air. The Honda dealer told me the compressor is shot ...

On the basis of the principal components analysis-particle swarm optimization-least squares support vector machine (PCA-PSO-LSSVM) algorithm, a fault diagnosis system is proposed for the compressor ...