If your central air conditioning condenser problem is that the compressor and condenser fan won’t run, first check the thermostat and be sure it’s turned on to cool, and that the temperature setting ...

Figure 1. Motor wiring configuration. In this month’s troubleshooting situation, our customer has called to say that the roof-mounted gas pack on their 1,500-square-foot home isn’t keeping them cool.

Mini-splits are the talk of the town where I live in California, largely because of the likelihood that gas appliances may not be available for much longer here. A mini-split heat pump system is ...