Your system is running. You can hear it, you can feel air at the vents, and the house is still hot. Most of the time this comes down to one of three things: a clogged filter choking airflow, a thermostat set wrong, or ice on the evaporator coil. All three are worth checking before you…
If your air conditioner hums but the fan doesn’t spin, or the system trips off after a few minutes, a failed capacitor is one of the first things a technician will check. It’s the most common electrical failure in residential AC systems. The part itself costs $15 to $60. Professional replacement usually runs $150 to…
An HVAC system is really two systems sharing one set of ducts, one blower and one thermostat. Half of it works hard in July, the other half in January, and the shared parts work year-round. That’s why maintenance isn’t a single annual event. It’s eleven tasks spread across the calendar: four you handle seasonally, five…
Most air conditioners don’t fail suddenly. They fail slowly, over two or three summers of nobody touching them, and then quit on the hottest day of the year. Regular maintenance comes down to about six tasks. Two of them you should do every month or two during cooling season, three you can handle once a…