Updates

Every spring we get the same call. A Naperville homeowner just had a spa delivered, the patio crew is staging concrete for next week, and somebody at the supply store told them the tub plugs into a 240V outlet “like a dryer.” It does not. And the inspector who shows up to sign the job … Naperville hot tub & spa wiring: GFCI, disconnect distance, and the 2026 permit walkthrough most homeowners get wrong

If your house was built somewhere between 1965 and 1973, there’s a real chance the branch circuits behind your walls are aluminum, not copper. We see it most often in older sections of Naperville and in pockets of Lisle, Downers Grove, and Aurora where the original wiring never got touched during a renovation. I want … Aluminum Wiring in Your 1965–1973 Naperville Home: AlumiConn, CopAlum, or Full Rewire? (And What Your Insurance Actually Wants)

By Alexandr Godonoaga, Owner and Lead Electrician, Cob Services LLC. ICC-certified, ComEd-approved EVSP, Illinois Electrical Contractor License #26-00032356. Published April 2026. Substantially rewritten and fact-checked September 5, 2026. Three things have changed since the spring, and all three matter if you are pricing a Level 2 charger right now. The ComEd residential rebate is closed for … ComEd EV Rebate in Naperville: 2026 Step-by-Step Walkthrough (With Time-of-Use Rate Math)

By Cob Services LLC | Licensed Illinois electrical contractor #26-00032356 | Naperville, IL If you’re trying to figure out which ceiling fan to put on your screened porch, your pergola, or the open deck off the back of the house, the answer depends on one thing: how much water is going to actually hit it. … Indoor vs. Outdoor Ceiling Fans in Naperville: Damp-Rated, Wet-Rated, and What Actually Works on a Midwest Patio

By Alexandr Godonoaga, owner and lead electrician, Cob Services LLC. Illinois electrical contractor license #26-00032356. Yes, you can put a fan where a light is. The wiring is usually fine. The box almost never is, and the box is the whole job. This is one of the most common calls I get. Somebody buys a … Can I replace a light fixture with a ceiling fan? What Naperville homeowners need to know about fan-rated boxes

By Cob Services LLC | Licensed Illinois electrical contractor #26-00032356 | Naperville, IL If your ceiling fan wobbles, hums, or clicks, the cause is almost always one of six things. We pulled this list from the actual service calls we’ve run across Naperville, Lisle, Aurora, and Plainfield over the last few years. Most of these … Ceiling Fan Wobbling, Humming, or Clicking? A Naperville Electrician’s Troubleshooting Guide

The most common question we get on EV charger estimates in Naperville isn’t about the charger itself. It’s: “Do I need to upgrade my panel?” The honest answer: sometimes yes, sometimes no, and you can usually figure out which camp you’re in before we ever show up. This guide walks you through how to assess … Will My Naperville Home’s Electrical Panel Handle an EV Charger? A Self-Assessment Guide

If you’ve been comparing Level 2 home chargers and your eyes have started to glaze over at spec sheets, here’s the honest version from someone who installs all of these every week. We’re an electrical contractor in Naperville. We don’t sell EV chargers — we wire whatever the homeowner buys. So we’ve got no horse … Tesla Wall Connector vs ChargePoint vs Wallbox: An Installer’s Take on the Best Level 2 Home Charger for 2026

If you’re closing on a new construction home in West Naperville — White Eagle, Ashwood Park, Tall Grass, Stillwater, Hobson Greene, or one of the newer builds further out toward Route 59 — you’re getting a house that’s been through formal inspection by the City of Naperville’s building department. Code-compliant, signed off, Certificate of Occupancy … West Naperville New Builds The Pre-Move-In Electrical Walk-Through Every Buyer Should Do

Think about how much we ask of our homes these days. Between charging EVs in the garage, running home offices, and powering “smart” everything, our electrical systems are working harder than ever before. But for many of us in Naperville—especially those living in our beautiful older neighborhoods—the wiring behind the walls was never designed for … Common Electrical Issues in Naperville Homes