CORRECT DIAGNOSIS: By understanding the causes behind air-side and refrigerant problems, technicians will be better equippied to quickly diagnose issues in an air conditioning system. September 9, ...

This is the final article in a series covering inefficient compressors, noncondensibles in the system, low and high condenser entering air temperatures, and different metering devices as they apply to ...

Like any appliance, air conditioners need a little TLC to deliver optimal performance. ACs that haven’t been kept in top-notch condition tend to struggle most. We asked air conditioner pros and ...

A newly developed pneumatic-control system provides basic valve operation, as well as detailed monitoring of electrical solenoids, sensors, wiring, and connections. Called Drive Diagnostic Link (DDL), ...

Summer comfort depends on a cooling system that can respond quickly and consistently to rising temperatures. When an air conditioning system begins to show early warning signs, comfort is often the ...