Electrical Panel Upgrades & Circuit Breaker Installations in Ontario, CA

Safe & Dependable Replacement & Installation in San Bernardino County

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The ALL PRO Membership

As an ALL PRO Member, you’re backed by the beary best guarantees, offers, & priority scheduling.


Optimize performance, lower energy bills, prevent costly repairs, preserve warranties & experience peace of mind. All is paw-sible as an ALL PRO member.

• PRIORITY SERVICE SCHEDULING Get scheduled ahead of non-members when you need a diagnostic service call.
• 4 TUNE-UPS PER / YEAR A certified technician will tune up your cooling, heating, plumbing & electrical systems.
• NO BREAKDOWN GUARANTEE We guarantee your system will not break down within six months of service. In the rare chance a breakdown does occur within six months of services, we will waive all dispatch & diagnostic fees, & apply a $100 credit towards any repair needed.
• 15% OFF SERVICE REPAIRS As a member, get 15% off service repairs & indoor air quality products
• CREDIT TOWARD INVESTMENT 100% of your membership fees (up to $500) can be credited towards a replacement.

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When an Electrical Panel Upgrade in Ontario, CA, Makes Sense

Many Ontario homes built before the 1980s still have 60- or 100-amp panels. That was plenty at the time, but today’s homes run central AC, large appliances, and electronics in every room. You should consider a panel upgrade if you’re:

• Adding a Level 2 EV charger
• Installing solar panels or a battery backup system
• Switching to a heat pump, electric water heater, or induction range
• Remodeling a kitchen or adding a room, ADU, or garage workshop
• Living with an older Federal Pacific, Zinsco, or fuse box panel

What to Expect During Your Panel Upgrade

We start with a load calculation to size your new panel correctly, usually 200 amps for a modern home. We handle the permit through the City of Ontario and coordinate the power disconnect and reconnect with Southern California Edison. Most installs are completed in one day, followed by a city inspection. Afterward, you can add whole-home surge protection to protect your new panel and electronics.

If your wiring is also outdated, we can pair your upgrade with house rewiring. Ask about financing options for larger projects.

Breakers & Fuse Box Services

Many homes are outfitted with the wrong electrical panels, either because the panel they use is too small to support the electricity they use or the panel is outdated. In either case, having the wrong electrical panel for your residential or commercial property in Ontario or San Bernardino County can cause electrical malfunctions or it may prevent your system from working at all. Plus, a bad electrical panel can be extremely dangerous.

If your electrical issue is not caused by the electrical circuit breaker panel, you might be dealing with a fuse box error or malfunction. A blown fuse can be annoying, but the problem might only require a simple repair. However, if blown fuses happen frequently, you may need a new fuse box or you might need a new circuit breaker panel instead.

Whatever the issue, if you are dealing with electrical problems associated with breakers and fuses, our electricians can help.

Our services include repairs and replacements for the following:

• Electrical panels
• Circuit breakers
• Fuse boxes

Panel Rejuvenation

Electrical panels are prone to wear and tear, meaning they have a finite lifespan and will eventually need to be replaced. However, upgrading them can be a costly endeavor. Purchasing a new electrical panel in Ontario is expensive, and likewise the labor to have one properly installed in accordance with all relevant safety codes isn’t a small matter either. Ignoring signs of a worn-out panel can be disastrous, but you also shouldn’t have to break the bank just to keep your lights on. At All Pro Cooling, Heating, Plumbing & Electrical, we have the solution: a panel rejuvenation.

Some common panel problems that may signal it’s time for a replacement include:

Common signs it’s time for electrical panel replacement include:

• Flickering or dimming lights
• Circuit breakers that frequently trip
• Ringing or humming noise coming from switches or outlets
• Use of an appliance causing lights to dim
• Excessive energy bills

Panel rejuvenation in Ontario and San Bernardino County involves keeping the same essential framework of your old panel in place and simply replacing parts that are worn out and potentially becoming dangerous. This not only improves your panel’s reliability and safety but also saves you a significant amount of money as well.

A panel rejuvenation uses fewer parts and can often be completed far quicker than a total panel replacement. You’ll enjoy a safer and more reliable electrical system without worrying about the service blowing through your budget.