Do All Homes Have Lightning Rods?
Residential Lightning Rods: Are They Worth It?
You might not spot lightning rods on houses in your neighborhood, but these low-profile systems offer an added degree of lightning protection.
Residential lightning rods aren’t as common as they once were, which reflects as much on improved electrical technology as it does on residential lightning rods’ performance track record.
Find out why modern lightning mitigation methods have largely replaced this old-school tech and how your existing lightning rod might protect your home.
First, How Do Lightning Rods Work?
Whether installed on a commercial building or a house, lightning rods provide a safe, controlled path for lightning to reach the ground. Installed at the highest point of a building, these metal devices aren’t actually designed to attract lightning but rather to guide nearby strikes away from vulnerable structures.
Here’s a closer look at how lightning rods work …
Like water, electricity follows the path of least resistance. Lightning rods are made from highly conductive materials like brass or copper, which are much more likely to absorb electricity without causing heat damage. The lightning rods on buildings and homes are just the tip of a connected grid that runs from the rod into the ground through metal cables.
Even when a lightning strike occurs nearby, the rod and connected grid can reduce the risk of damage. Lightning often “jumps” during a strike, darting between structures as it searches for the most conducive material. A residential lightning rod system offers electricity a safe route to the ground, even if the strike never actually runs through the rod itself.
Related: Preparing Your Home for A Storm
Are Lightning Rods Effective?
Residential lightning rods are effective in mitigating damage but aren’t foolproof. First, they don’t reduce the risk of a lightning strike on your home. Further, lightning mitigation systems require comprehensive design to function properly, and they still may not protect your home’s electrical appliances and devices from a power surge.
Finally, modern electrical standards like mandatory ground wire outlets, whole-home surge protectors, and additional regulations included in updated residential building codes are equally or more effective at reducing lightning damage.
How Often Does Lightning Strike Homes?
The odds of a lightning strike on your home are long – but not nothing: In 2022, homeowners filed just 62,189 claims for lightning damage out of 144 million homes in the US. That means lightning damaged 0.04% percent of US homes. While some strikes may have gone unreported, the chance of experiencing a direct strike is small.
At the same time, you may know someone (or someone who knows someone) whose home was damaged, or even burned to the ground, as a result of a lightning strike. It happens.
Where you live influences whether investing in a residential lightning rod makes sense. For homeowners in higher-risk states like Texas, Florida, Georgia, North Carolina, and Kentucky, the cost of a lightning mitigation system might be worth it.
Are Residential Lightning Rods Worth It Everywhere?
Probably not, and a big part of that is how much lightning rods cost. Most residential systems cost several thousand dollars plus installation costs. Most homeowners believe the low risk of a strike and adequate homeowners insurance combine to make the expense of a lightning system unwarranted.
Check your insurance policy to make sure lightning damage is covered – and consult local weather authorities for recommendations on the need for residential lightning rods in your area.
Protect Against Lightning Damage with Mister Sparky
Count on your local Mister Sparky Electric to provide cost-effective solutions against storm-related power surges and other hazards. With whole-home surge protection and professional electrical inspection, we’ll identify at-risk electrical components and make the fix more storm season rolls in. Our licensed and insured electricians offer years of experience and are happy to answer all your questions.
Learn how to protect your home and family from electrical issues with friendly advice from our professionals. Find the Mister Sparky location near you, or call (800) 906-4577 to book an appointment today!