The $19 Part That Kills More ACs Than a Bad Capacitor — HVAC Techs Charge $350 To Swap It

A $19 electrical switch inside many air conditioners may be responsible for more costly misdiagnoses than most homeowners realize. In this video, we uncover how contactors wear out, why their symptoms can resemble major compressor failures, and why this tiny component is rarely discussed. You'll learn what to watch for, what questions to ask, and how understanding one small part could save you thousands. There's also another cheap component hiding in your home that may be even worse. Copyright Disclaimer: Under Section 107 of the U.S. Copyright Act, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, and research.