If your outdoor AC unit isn't turning on, check these switches, levels, and lines yourself, before calling for professional ...

But you would think that a service call on a 16-year-old AC system would at least offer to replace all the capacitors. Now I wonder if that blower the young fella pulled out had a run capacitor on it.

One of the worst feelings as a homeowner with an HVAC system is when your central AC stops cooling. Take these steps to start troubleshooting the issue.

PFCH ratings range from 0.5 to 17.5 KVAR at 240 V ac; 0.5 to 30 KVAR at 480 V ac, and 1 to 25 KVAR at 600 V ac. Case sizes range from 2.0 to 3.5 in. in diameter; lengths extend from 5.75 to 13.73 ...