: A sudden jump in your electric bill usually means your system is working overtime to compensate for a mechanical issue. The "Golden Window" for Maintenance

Here is what you need to know to keep your home cool and avoid the dreaded "emergency" call. 5 Signs You Need a Professional Repair

: Grinding, squealing, or rattling sounds often point to loose parts or a failing capacitor , which is the most common part to fail in an AC unit.