Why Your Portable A/C Might Need Its Own Circuit (And What That Means for Your Home)

Portable air conditioners are a lifesaver in the summer heat—but if they’re causing your breakers to trip or dimming your lights every time they start, there’s more going on behind the scenes. What your home likely needs is a dedicated circuit for that unit. Here’s why it matters—and how it keeps your home safer and cooler.

⚡1. Portable A/Cs Pull More Power Than You Think

While they plug into a standard 120V outlet, most portable A/Cs draw between 9 to 12 amps—and that’s just one appliance. If that outlet shares a circuit with lights, TVs, or other devices, it doesn’t take much to exceed the circuit’s safe load.

🚨2. Breaker Trips Aren’t Just Inconvenient—They’re a Warning

If your portable unit frequently trips the breaker, it’s not a fluke. That breaker is doing its job to prevent overload and overheating. Ignoring these trips can lead to overheated wires, melted insulation, or worse—an electrical fire.

✅3. A Dedicated Circuit = Cooler, Safer, More Reliable Operation

Adding a dedicated circuit means your A/C unit has its own power line, free from other competing loads. This minimizes strain on your panel and ensures consistent performance, especially during extreme temps when you need it most.

🛠️4. It’s an Easy Fix That Pays Off Fast

Upgrading to a dedicated circuit is a relatively small project that can prevent major damage—and even extend the life of your A/C. Plus, it's one of those fixes that offers peace of mind all summer long.

Not Sure If You Need One? Here’s What to Look For:

• Breaker trips when A/C runs

• Lights dim when the unit kicks on

• Warm or buzzing outlets near the unit

• A/C shuts off unexpectedly

If any of these sound familiar, it’s time to call in a professional.

Bowman Electric can help. We’ll assess your setup, ensure your panel can handle the load, and install a safe, code-compliant dedicated circuit that gives your A/C room to breathe.

📞 Call us today at 406-880-4777 before the next heat wave hits. Let’s keep your home cool and electrically sound.