Your home is full of sensitive electronics: TVs, computers, smart appliances, HVAC control boards, LED lighting. All of it is vulnerable to voltage spikes, and replacing it all at once is a genuinely expensive surprise. Whole-home surge protection is one of the least glamorous and most cost-effective upgrades you can make.
Where surges actually come from
- The grid: Utility switching, downed lines, and transformer issues send spikes into your home far more often than lightning.
- Inside your home: Large appliances like AC compressors and well pumps create small surges every time they cycle on and off — dozens of times a day.
- Lightning: The dramatic one, and real along the Front Range in summer storm season, but the rarest cause.
Power strips are not enough
The surge strip behind your TV only protects what is plugged into it, and only up to a point. It does nothing for your furnace control board, your hardwired appliances, or your LED lighting. Whole-home protection installs at the electrical panel, so every circuit in the house sits behind it.
How whole-home protection works
A whole-home surge protective device mounts at or near your electrical panel. When it senses a voltage spike, it diverts the excess energy safely to ground before it reaches your circuits. It works in layers with plug-in protectors for your most sensitive devices, but the panel-level device is the foundation everything else builds on.
Is it worth it?
Add up the cost of everything electronic in your home, then compare it to the price of one device that protects all of it for years. For most homeowners the math is not close. If your home has valuable electronics — and every modern home does — Smith's licensed electricians can install whole-home surge protection in a single visit.
Frequently asked questions
Do power strips protect my whole house from surges?
No. A surge strip only protects what is plugged into it. Whole-home surge protection installs at your electrical panel, so every circuit — including hardwired appliances, HVAC boards, and lighting — sits behind it.
Where do most power surges come from?
Most surges come from the utility grid (switching, downed lines, transformer issues) and from large appliances inside your home cycling on and off. Lightning is the dramatic cause but the rarest one.
Is whole-home surge protection worth the cost?
For most homeowners, yes. Add up the cost of every electronic device in the home, then compare it to one device that protects all of it for years. The math usually favors protection.