Old or overloaded panels can't keep up with modern homes. We replace outdated electrical panels with safe, properly sized systems built to handle today's power demands across the Flathead Valley.
Licensed, insured, and review-backed
5
Communities Served in Flathead Valley
10+
Residential Electrical Services Offered
100%
Code-Compliant Installations
Many homes in Kalispell and Whitefish still run on panels installed decades ago. As families add EV chargers, generators, and smart home devices, those older panels get pushed past their limits. J. Thomas & Son Services upgrades panels to meet current electrical loads and code requirements, giving your home a safer foundation to build on.
Every upgrade is planned around your home's actual power needs, not a one-size-fits-all install.
Full replacement of outdated or undersized panels
Upgrades to 200-amp service for modern demands
Circuit breaker organization and labeling
Support for EV chargers and generator transfer switches
Code-compliant grounding and wiring updates
Panel relocation when needed for safety or space
Recent customer feedback about service panel upgrades services.
We keep the process straightforward from the first call to the final inspection.
We evaluate your current panel, wiring condition, and household power usage to determine the right size and setup for your home.
You get a clear plan outlining the panel size, scope of work, and pricing before anything is scheduled or installed.
Our team removes the old panel and installs the new system, rewiring circuits as needed to meet current code.
We test every circuit, confirm proper labeling, and walk you through the new setup so you understand what changed and why.
Get clear answers about service panel upgrades, preparation, timing, maintenance, and what to expect before requesting an estimate.
Q1
Signs include frequent breaker trips, flickering lights, a fuse box instead of breakers, or a panel rated below 100 amps. If you're adding an EV charger or generator, an upgrade is often required.
Q2
Most modern homes benefit from a 200-amp panel, which supports central AC, EV charging, and larger appliances without overloading the system. We size each upgrade to your specific home.
Q3
A typical panel upgrade takes one day for most residential homes. Larger homes or those needing significant rewiring may take longer, which we outline during the assessment.
Q4
Yes, power to the home is turned off for safety while the old panel is removed and the new one installed. We schedule this to minimize disruption and restore power the same day whenever possible.
Q5
Panel upgrades typically require a permit and inspection to meet local code. We handle the permitting process as part of the job so you don't have to navigate it yourself.
Q6
Yes. Many older panels don't have capacity for EV chargers or generator transfer switches. We size the new panel to support both current needs and future additions.
Q7
We install and upgrade panels throughout Whitefish, Columbia Falls, Bigfork, and the greater Flathead Valley, along with Kalispell.
Q8
Not every panel issue requires a full replacement. We can assess the condition of your panel, breakers, labeling, grounding, and available capacity, then recommend the most practical and safe solution—whether that is a repair, a tune-up, or a complete upgrade.
If your home's electrical panel feels outdated or maxed out, reach out to schedule an assessment. We'll help you find the right upgrade for your household's needs.
J. Thomas & Son Services is a veteran-owned electrical contractor providing residential electrical repairs, panel upgrades, and rewiring across Kalispell and the Flathead Valley with transparent, upfront pricing.
Services
© 2026 J Thomas And Son Services. All rights reserved.
