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Find Electrical wiring or panel upgrade pros in Miller Place

Four Leaf Electric

5.00(
8
)
Approved Pro

Four Leaf Electric

5.00(
8
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
31 years of experience

Four Leaf Electric, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

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Allison R on May 2019

Four Leaf Electric, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

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Allison R on May 2019


ESR Service

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

ESR Service

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
9 years of experience

We offer over 14 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We're committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

We offer over 14 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We're committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.


Avatar for Fran Electric Co.

Fran Electric Co.

4.62(
21
)
Approved Pro

Fran Electric Co.

4.62(
21
)
Approved Pro
Customers say: Super punctual
Free onsite estimate
Emergency services offered

3 generations serving Long Island Distinguished service Award from Agies for the past 2 years. Prompt reliable,and courteous service. We specialize in electrical services, repairs, installs, lighting, panel upgrades, ceiling fans, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"The guys showed up on time and did a great job. It was actually kind of tricky but the mix of clean logic and experience got things fixed."

Michael B on November 2025

3 generations serving Long Island Distinguished service Award from Agies for the past 2 years. Prompt reliable,and courteous service. We specialize in electrical services, repairs, installs, lighting, panel upgrades, ceiling fans, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"The guys showed up on time and did a great job. It was actually kind of tricky but the mix of clean logic and experience got things fixed."

Michael B on November 2025


Avatar for Leli Electrical Innovations Incorporated

Leli Electrical Innovations Incorporated

5.00(
25
)
Approved Pro

Leli Electrical Innovations Incorporated

5.00(
25
)
Approved Pro
Customers say: Quick response
10 local quotes requested
3 years of experience

We offer over 40 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We're committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Great communication with Danny and fantastic service from his team!"

Scott T on August 2025

We offer over 40 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We're committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Great communication with Danny and fantastic service from his team!"

Scott T on August 2025


Avatar for JMA Electric LLC

JMA Electric LLC

5.00(
5
)
Approved Pro

JMA Electric LLC

5.00(
5
)
Approved Pro
Super Service Award
2 years of experience
Free onsite estimate

We are a licensed and insured, family owned and operated electrical service business based out of ridge, NY. We specialize in any and all residential electrical applications, troubleshooting, repair, maintenance, service upgrades and replacement, lighting, renovations and new construction. We also offer services for home audio systems, security systems, Electric vehicle charging stations and more!

"Professional, reasonable quality work. I will be hiring JMA Electric in the future for all my electric needs/project. Look no further. *****+ stars. A #1. "

PAUL P on January 2025

We are a licensed and insured, family owned and operated electrical service business based out of ridge, NY. We specialize in any and all residential electrical applications, troubleshooting, repair, maintenance, service upgrades and replacement, lighting, renovations and new construction. We also offer services for home audio systems, security systems, Electric vehicle charging stations and more!

"Professional, reasonable quality work. I will be hiring JMA Electric in the future for all my electric needs/project. Look no further. *****+ stars. A #1. "

PAUL P on January 2025


Fran Electric Co.

4.60(
105
)
Approved Pro

Fran Electric Co.

4.60(
105
)
Approved Pro
Super Service Award
Customers say: True professional
39 local quotes requested
71 years of experience

3 generations of Electricians serving Suffolk County since 1955! We are the experts you need to take care of your home or business. We will treat your home or business as we would treat our own. Give Fran Electric Co. a call today. We look forward to working with you for all your electrical needs! Free Estimates ! Service Calls 24/7 !

"Great service and very knowledgeable! We had a lot of old fixtures to be replaced. Dennis and his assistant were fantastic. I will definitely continue to use them for future projects."

Jennifer H on December 2025

3 generations of Electricians serving Suffolk County since 1955! We are the experts you need to take care of your home or business. We will treat your home or business as we would treat our own. Give Fran Electric Co. a call today. We look forward to working with you for all your electrical needs! Free Estimates ! Service Calls 24/7 !

"Great service and very knowledgeable! We had a lot of old fixtures to be replaced. Dennis and his assistant were fantastic. I will definitely continue to use them for future projects."

Jennifer H on December 2025


"The service was very great! the technician s professionalism and helpfulness"

Linda M on December 2025

With over 20 years of electrical experience, we are here to help you with all your electrical needs. Licensed and insured, we can tackle anything from smart home networking and landscape lighting to service upgrades and Generators

"The service was very great! the technician s professionalism and helpfulness"

Linda M on December 2025


Avatar for Shamrock Electric Co Inc

Shamrock Electric Co Inc

4.97(
302
)
Approved Pro

Shamrock Electric Co Inc

4.97(
302
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
34 years of experience

We are a small personal electrical contracting company that have been in business since 1992. Serving all of Long Island. Trained in Ireland then moved to Long Island to live the American dream of starting a my own business.Owner is on each job from start to finish.We also work with many General contractors that build houses, kitchens and bathrooms. Member of Suffolk County Electrical Contractors Association

"I highly recommend Mike and Shamrock Electric. Replaced my panel in the past and helped me out recently on very short notice. As usual did an excellent job, neatly and efficiently. Mike is extremely knowledgeable, professional and courteous. 5 stars!"

steve . on October 2025

We are a small personal electrical contracting company that have been in business since 1992. Serving all of Long Island. Trained in Ireland then moved to Long Island to live the American dream of starting a my own business.Owner is on each job from start to finish.We also work with many General contractors that build houses, kitchens and bathrooms. Member of Suffolk County Electrical Contractors Association

"I highly recommend Mike and Shamrock Electric. Replaced my panel in the past and helped me out recently on very short notice. As usual did an excellent job, neatly and efficiently. Mike is extremely knowledgeable, professional and courteous. 5 stars!"

steve . on October 2025


Avatar for Matt Greco Electrical Inc.

Matt Greco Electrical Inc.

5.00(
18
)
Approved Pro

Matt Greco Electrical Inc.

5.00(
18
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

Matt Greco Electrical Inc. offers top quality electrical work at competitive prices. Close to 20 years of residential and commercial electrical experience. Knowledge and constant use of the National Electrical Code. Safe, Clean, trustworthy, and reliable electrical contractor.

"I was truly impressed on how professional and efficient they handled the job. I touched the wrong button on the remote and they came that same night to figure out the issue. I wish I had known of his company before I had major electrical work done beginning of 2025"

Ana Perez M on October 2025

Matt Greco Electrical Inc. offers top quality electrical work at competitive prices. Close to 20 years of residential and commercial electrical experience. Knowledge and constant use of the National Electrical Code. Safe, Clean, trustworthy, and reliable electrical contractor.

"I was truly impressed on how professional and efficient they handled the job. I touched the wrong button on the remote and they came that same night to figure out the issue. I wish I had known of his company before I had major electrical work done beginning of 2025"

Ana Perez M on October 2025


Avatar for Osc quality technical service

Osc quality technical service

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Osc quality technical service

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
10 local quotes requested
2026 years of experience

Hello, my name is Oscar. I'm an Electronics and Telecommunications engineer from Ecuador. I've been working in the United States for over 5 years. For a few years, I worked in construction, remodeling, and building new homes in Suffolk County. I also work as an electrician and plumber, and I'm working towards getting licensed in these trades. Now I'm focused on providing my services to people who are looking for a professional.

Hello, my name is Oscar. I'm an Electronics and Telecommunications engineer from Ecuador. I've been working in the United States for over 5 years. For a few years, I worked in construction, remodeling, and building new homes in Suffolk County. I also work as an electrician and plumber, and I'm working towards getting licensed in these trades. Now I'm focused on providing my services to people who are looking for a professional.

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FAQs for electrical wiring or panel upgrade projects in Miller Place, NY

While homeowners with substantial electrical knowledge might technically attempt a subpanel installation, most local building departments require permits and inspections for this type of work. Professional electricians understand local code requirements, can obtain necessary permits, and ensure the installation meets safety standards. Given the significant safety risks associated with incorrect electrical work, most homeowners benefit from hiring a licensed professional.

A standard subpanel installation takes an average of four to eight hours. This timeframe may extend if you're installing multiple subpanels or adding specialized circuits like those for spa equipment. Factors such as difficult access points, complex wiring paths, or permit processing times can also affect the overall project duration.

Adding a subpanel doesn't directly reduce electricity consumption or lower your utility bills. A subpanel simply redistributes power from your main panel to additional circuits. However, organizing your electrical system more efficiently may help prevent overloaded circuits and the associated problems. For actual cost savings, consider energy-efficient appliances and lighting instead.

The appropriate subpanel size depends on your specific electrical requirements. Consider the number and type of devices you'll be powering, potential future needs, and the capacity of your main electrical panel. An electrician can perform a load calculation to determine the most suitable amperage rating for your situation, ensuring you have adequate power without overpaying for unnecessary capacity.

A main electrical panel connects directly to your utility's power supply and contains your home's primary service disconnect. It distributes electricity throughout your entire house. A subpanel, by contrast, receives power from the main panel and redistributes it to a specific area of your home. Think of the main panel as the primary distribution point and the subpanel as a secondary branch that extends your electrical system's reach.

While electrical upgrades aren't as immediately visible as kitchen or bathroom renovations, they can contribute to your home's functionality and safety. Prospective buyers often appreciate updated electrical systems that can accommodate modern power demands. A properly installed subpanel that provides additional capacity for workshops, home offices, or future expansions could be an attractive feature for certain buyers, though the direct impact on home value varies by market.

The Miller Place, NY homeowners’ guide to electrical wiring or panel upgrades

From average costs to expert advice, get all the answers you need to get your job done.