Business Details
48 Years
experience
Emergency
services
Expert Electric Panel Upgrades in Phoenix, AZ
ResArizona has been a trusted leader in electrical services since 1978, specializing exclusively in electric panel upgrades, repairs, and installations. Founded by master electrician Phil Kroff, our family-owned business brings over 40 years of hands-on expertise to residential and commercial clients across Arizona. We pride ourselves on delivering cost-effective solutions backed by deep industry knowledge, specialized tools, and relationships with local utilities and inspectors.Our commitment to transparency ensures free consultations, competitive pricing, and guaranteed lowest bids, with a focus on safety and compliance. From 200-amp to 400-amp solar-ready panels, we handle complex projects efficiently, leveraging decades of experience to future-proof electrical systems. Our teams dedication to quality craftsmanship and customer satisfaction has made us Arizonas most trusted panel upgrade specialists.
Services
Electric panel upgrades
EV charger installation
Electrical safety inspections
Commercial panel repairs
Panel retrofits
Details
- Year established: 1978
Highlights and features
- We are family-owned with 40+ years of specialized experience in panel upgrades.
- Our team guarantees the lowest bid for licensed contractor services.
- We offer free site visits, advice, and transparent pricing examples.
- We provide same-day emergency panel changes and 24/7 service availability.
- Our relationships with local inspectors ensure faster permitting and power restoration.
What people say
Professional service
Competitive pricing
Prompt response
Expert knowledge
Guaranteed lowest bids
Services
Electric panel upgrades
We specialize in 200-amp and 400-amp panel upgrades to meet modern electrical demands. Our services include safety inspections, code compliance, and integration with solar or EV charging systems. Upgrades prevent overloads, reduce fire risks, and ensure efficient power distribution for homes and businesses.
EV charger installation
Our team installs Level 2 EV chargers with electrical system evaluations and necessary upgrades. We handle permitting, ensure code compliance, and optimize charging efficiency for residential garages and commercial properties. Services include hardwired or plug-in installations tailored to your electrical capacity.
Electrical safety inspections
We conduct comprehensive inspections to identify hazards like outdated panels, aluminum wiring, or code violations. Our assessments ensure systems meet current safety standards, reduce fire risks, and provide actionable recommendations for repairs or upgrades.
Commercial panel repairs
We repair and maintain electrical panels for commercial properties, including multi-unit complexes and industrial sites. Services include bus repairs, breaker replacements, and retrofits using obsolete parts from our inventory to minimize downtime and costs.
Panel retrofits
We retrofit older panels like Zinsko or Challenger with modern components to enhance safety and functionality. Our retrofits include adding breaker spaces, updating grounding systems, and integrating solar-ready features while preserving existing infrastructure.
People
Phil Kroff
Founder & Master Electrician
Phil Kroff has over 40 years of experience in electrical panel upgrades, learning the trade from his father, a pioneer in Arizonas electrical industry. He founded ResArizona in 1978 and remains directly involved in every project, offering free expert advice and competitive pricing.
Questions
What factors affect electric panel upgrade costs?
Costs depend on panel capacity, service type (overhead/underground), labor rates, and required permits. Free estimates clarify your project’s scope and pricing.
Why choose ResArizona for panel upgrades?
We specialize exclusively in panel upgrades with 40+ years of experience, volume discounts, and direct relationships with local inspectors for faster service.
Do you offer emergency electrical services?
Yes, we provide 24/7 emergency panel changes with same-day service for urgent electrical issues.
Are your electricians licensed and insured?
All our technicians are fully licensed, insured, and trained specifically for panel upgrades and electrical safety compliance.
Can you install EV charging stations?
Yes, we install Level 2 EV chargers and handle necessary electrical upgrades for residential and commercial properties.
