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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon22
    Verified generator installs reviews

Find Generator install pros in Madison

Avatar for B-Tec Electric Co LLC

B-Tec Electric Co LLC

4.98(
152
)
Approved Pro

B-Tec Electric Co LLC

4.98(
152
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
33 years of experience

B-Tec Electric Co LLC is an independent electrical contractor specializing in residential and light commercial electrical service and installations. We are fully licensed, bonded, and insured independent electrical contractors based in New Jersey. We are a family owned & operated business, servicing Morris County as well as Sussex County since 1993.

"Representative was very polite and helpful. "

Peter H on October 2025

B-Tec Electric Co LLC is an independent electrical contractor specializing in residential and light commercial electrical service and installations. We are fully licensed, bonded, and insured independent electrical contractors based in New Jersey. We are a family owned & operated business, servicing Morris County as well as Sussex County since 1993.

"Representative was very polite and helpful. "

Peter H on October 2025


Avatar for Arctic Air Conditioning

Arctic Air Conditioning

4.91(
797
)
Approved Pro

Arctic Air Conditioning

4.91(
797
)
Approved Pro
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
49 years of experience

Arctic Air Conditioning is a family run business that has served New Jersey since 1977. We specialize in residential and commercial Air Conditioning, Heating, Humidification, and indoor air quality. Our other services include Plumbing, Electrical, and Garage Doors. Our philosophy is to provide top of the line equipment with the best installation and service available in the industry. We are an award winning Lennox Dealer and Home Depot Service Provider.

"They came in a timely fashion!"

Mary D on December 2025

Arctic Air Conditioning is a family run business that has served New Jersey since 1977. We specialize in residential and commercial Air Conditioning, Heating, Humidification, and indoor air quality. Our other services include Plumbing, Electrical, and Garage Doors. Our philosophy is to provide top of the line equipment with the best installation and service available in the industry. We are an award winning Lennox Dealer and Home Depot Service Provider.

"They came in a timely fashion!"

Mary D on December 2025


Avatar for Green Sun Energy Services, LLC

Green Sun Energy Services, LLC

5.00(
68
)
Approved Pro

Green Sun Energy Services, LLC

5.00(
68
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
16 years of experience

Founded in 2010, Green Sun Energy Services has helped thousands of New Jersey homeowners become more energy independent. We are a leading provider of solar panel installation programs, EV charging stations, GAF Timberline roofing systems, Generac generator installations and maintenance, as well as seasonal services like soft washing and professional Christmas light installation. Headquartered in Middletown, NJ, our local team proudly serves clients throughout Monmouth, Ocean, Middlesex, Somerset, Mercer, and Union counties.

"Generator failed to start. Karen was able to set up a service appointment the next day. Michael arrived and knew what the problem was before inspecting the generator. Generator running again 10 minutes later. GreenSun installed our Generator app.11 years ago and has been performing serrvicing yearly. Glen,Karen And the entire staff are the best. They really care."

J D on June 2025

Founded in 2010, Green Sun Energy Services has helped thousands of New Jersey homeowners become more energy independent. We are a leading provider of solar panel installation programs, EV charging stations, GAF Timberline roofing systems, Generac generator installations and maintenance, as well as seasonal services like soft washing and professional Christmas light installation. Headquartered in Middletown, NJ, our local team proudly serves clients throughout Monmouth, Ocean, Middlesex, Somerset, Mercer, and Union counties.

"Generator failed to start. Karen was able to set up a service appointment the next day. Michael arrived and knew what the problem was before inspecting the generator. Generator running again 10 minutes later. GreenSun installed our Generator app.11 years ago and has been performing serrvicing yearly. Glen,Karen And the entire staff are the best. They really care."

J D on June 2025


"They installed 2 ceiling fans and were on time, very professional, and I would highly recommend this company. They were done in under an hour and it was top notch service. Pricing was very reasonable and their responsiveness could not be better."

Dina D on July 2024

Anzalone Electric & Lighting has over 30 years experience. We provide prompt reliable service at competitive prices.

"They installed 2 ceiling fans and were on time, very professional, and I would highly recommend this company. They were done in under an hour and it was top notch service. Pricing was very reasonable and their responsiveness could not be better."

Dina D on July 2024


Avatar for Ryland Electric, LLC

Ryland Electric, LLC

4.97(
70
)
Approved Pro

Ryland Electric, LLC

4.97(
70
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
17 years of experience

Ryland Electric is Prompt, Professional and Reliable. We strive to complete our projects in a timely manner, with quality installation and reasonable pricing. We are a full service electrical contractor. Call us directly today. Office# 973.512.3217 Cynthia will be happy to answer your questions.

"Ryan and his team were awesome at replacing my home’s electric panel. They communicated well throughout the entire process, did a great job, explained things clearly, and the price was reasonable. They came back the next day to make sure everything was working properly. I will use them for future projects. Highly recommend."

Nicholas M on November 2024

Ryland Electric is Prompt, Professional and Reliable. We strive to complete our projects in a timely manner, with quality installation and reasonable pricing. We are a full service electrical contractor. Call us directly today. Office# 973.512.3217 Cynthia will be happy to answer your questions.

"Ryan and his team were awesome at replacing my home’s electric panel. They communicated well throughout the entire process, did a great job, explained things clearly, and the price was reasonable. They came back the next day to make sure everything was working properly. I will use them for future projects. Highly recommend."

Nicholas M on November 2024


APOLLO ELECTRICAL CONTRACTORS LLC

5.00(
37
)
Approved Pro

APOLLO ELECTRICAL CONTRACTORS LLC

5.00(
37
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
27 years of experience

Over 37 years experience. Personalized service. Your satisfaction is very important to us, 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 at a reasonable price. Check out our services offered and call or click to schedule a free estimate today.

"great job, its done."

Christopher T on November 2025

Over 37 years experience. Personalized service. Your satisfaction is very important to us, 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 at a reasonable price. Check out our services offered and call or click to schedule a free estimate today.

"great job, its done."

Christopher T on November 2025


Avatar for Kope Electric LLC

Kope Electric LLC

4.85(
93
)
Approved Pro

Kope Electric LLC

4.85(
93
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
18 years of experience

Kope Electric, LLC, is your LOCAL NJ BASED and LICENSED electrical contractor. Proudly serving Hunterdon, Somerset, Morris and Warren counties since 2008, you can expect professional quality service, quick responses, prompt appointments, & industry expertise at a competitive cost. Our commitment to safety and customer satisfaction guarantees your job will be “done once & done right.” Don't risk your home and family by hiring a random contractor who is unqualified, unlicensed, and unresponsive! For all your residential to commercial electrical needs- Trust Kope Electric, 908-722-5673, the area's best electricians!

"They responded quickly to my request to install a whole house surge protector. I was able to email a picture of the work site and received a quote the following day. The work was scheduled within a week. The electrician arrived promptly and completed the project quickly. The cost quoted was the amount billed."

Charles B on July 2022

Kope Electric, LLC, is your LOCAL NJ BASED and LICENSED electrical contractor. Proudly serving Hunterdon, Somerset, Morris and Warren counties since 2008, you can expect professional quality service, quick responses, prompt appointments, & industry expertise at a competitive cost. Our commitment to safety and customer satisfaction guarantees your job will be “done once & done right.” Don't risk your home and family by hiring a random contractor who is unqualified, unlicensed, and unresponsive! For all your residential to commercial electrical needs- Trust Kope Electric, 908-722-5673, the area's best electricians!

"They responded quickly to my request to install a whole house surge protector. I was able to email a picture of the work site and received a quote the following day. The work was scheduled within a week. The electrician arrived promptly and completed the project quickly. The cost quoted was the amount billed."

Charles B on July 2022


Avatar for Armygroup Exterior

Armygroup Exterior

4.97(
65
)
Approved Pro

Armygroup Exterior

4.97(
65
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
11 years of experience

ArmyGroup Construction, is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. ArmyGroup Construction, is a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

"The ArmyGroup owner, Florian, is the best. He went above and beyond my expectations. He fixed and completed a home project of mine that sat dormant close to a year due to my previous GC. I'm amazed at how the project came out and would recommend him to anyone. I will continue to work with him on future projects. Thanks Florian seriously you're the best!"

Vichai S on August 2024

ArmyGroup Construction, is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. ArmyGroup Construction, is a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

"The ArmyGroup owner, Florian, is the best. He went above and beyond my expectations. He fixed and completed a home project of mine that sat dormant close to a year due to my previous GC. I'm amazed at how the project came out and would recommend him to anyone. I will continue to work with him on future projects. Thanks Florian seriously you're the best!"

Vichai S on August 2024


Avatar for Best Dressed Electric

Best Dressed Electric

5.00(
31
)
Approved Pro

Best Dressed Electric

5.00(
31
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
4 years of experience

The replacement of any receptacle, switch, or lighting fixture, or part thereof. Receptacles in locations where ground-fault circuit interrupter protection, damp/wet, tamper-resistant are required. Repairs to any electrically operated equipment such as doorbells, communication systems, and any motor operated device. The installation of burglar alarms, security systems, or doorbells one and two family dwellings. Smoke and co detectors. Etc…,

"Jeremy was quick to respond, arrived right on time, and did a phenomenal job faster than most others would. He was very neat and professional and I highly recommend his services to anyone looking to have an electrical project completed."

Michael D on February 2025

The replacement of any receptacle, switch, or lighting fixture, or part thereof. Receptacles in locations where ground-fault circuit interrupter protection, damp/wet, tamper-resistant are required. Repairs to any electrically operated equipment such as doorbells, communication systems, and any motor operated device. The installation of burglar alarms, security systems, or doorbells one and two family dwellings. Smoke and co detectors. Etc…,

"Jeremy was quick to respond, arrived right on time, and did a phenomenal job faster than most others would. He was very neat and professional and I highly recommend his services to anyone looking to have an electrical project completed."

Michael D on February 2025


"He was exceptional, and he discussed the work with me at every stage."

Okey E on June 2023

On Time Communications, Inc., offers professional and timely service for all of your in-home communication needs. With close attention to the details, we'll make sure you're well connected in no time.

"He was exceptional, and he discussed the work with me at every stage."

Okey E on June 2023

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Generator Install questions, answered by experts

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

Yes, natural gas generators can work without electricity. Natural gas generators are a common type of backup or whole-house generator that operates when the electrical grid isn’t working. The trick is using a transfer switch (which usually needs to be installed with the generator) that safely switches the home electrical system from the power grid to generator power when needed.

You can determine what size generator you need by listing the various appliances it will power during an outage. Write down the start-up watt usage, and then add them all together. 

A 7,500-watt generator will run your refrigerator, freezer, well pump, and lighting circuits without a problem. However, you’ll need an extra 3,000 to 4,500 watts to run your water heater and another 5,000 to 25,000 watts to run your electric furnace. In these instances, a whole-home generator is your best bet for running your critical equipment.

No, you shouldn’t use an extension cord to plug a generator directly into your home without using a transfer switch. That’s because systems like pumps and HVAC fans need a steady power source that might not be available directly from your generator alone. If you bypass the circuit breaker box, you risk damaging your electrical system, creating a risk of electrical fire or electrical shock to you or any workers repairing lines on your local electrical grid.

Generator size requirements vary wildly among properties, but typical generator sizes are listed below based on home square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14kW

  • 2,500 sq ft: 12–16kW

  • 3,000 sq ft: 16–20kW+

Unfortunately, home square footage isn’t always a good indicator of generator size requirements. Instead, you should call in a professional to discuss which items in your home you’d like to run via your generator. They can calculate peak and average consumption for those items and then size your generator appropriately for optimal performance.

The Madison, NJ homeowners’ guide to generator installs

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

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