In this month’s troubleshooting situation, the equipment that needs servicing is a split system and the refrigerant flow control is handled via an EEV.

Let’s answer a common static pressure question — how many hoses should you use with your manometer?

In this troubleshooting situation, the customer’s description of the problem is that the unit is “running a lot, and not keeping the building warm.”

This article will explore the remote bulb and its proper placement on a system’s suction line.

It is much easier to prevent containments from entering a system then to deal with removing them or the system failure they will cause.

Your troubleshooting situation this month involves a complaint from a customer about their heat pump that’s not working.

Your troubleshooting situation this month involves an 80% single stage gas furnace that has been in service approximately seven years.

Bearing maintenance will ensure a long service life, preventing many common issues that can result in failure and costly downtime.

Performing a more detailed inspection of a compressor might reveal a system issue that could lead to a failed compressor.

Condensing units that are exposed to low ambient conditions must have some sort of low ambient control installed on them.