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There are 17 highly-rated local generator installers.

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Generator installers in Union

Avatar for Arctic Air Conditioning
Arctic Air Conditioning
1 Pleasant Valley Rd
4.84(
826
)
Approved Pro
Arctic Air Conditioning
1 Pleasant Valley Rd
4.84(
826
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
623 local quotes requested

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.

"Michael from Arctic came on the same day Arctic contacted me, and he did a good job fixing the shower water temperature. Price is kinda high for a 30-minute job."

Danny Q on April 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.

"Michael from Arctic came on the same day Arctic contacted me, and he did a good job fixing the shower water temperature. Price is kinda high for a 30-minute job."

Danny Q on April 2025


Avatar for MDL Electric LLC Cooling & Heating
MDL Electric LLC Cooling & Heating
4 Harrison Ave
4.61(
128
)
Approved Pro
MDL Electric LLC Cooling & Heating
4 Harrison Ave
4.61(
128
)
Approved Pro
Customers say: Quality work
198 local quotes requested
18 years of experience

We provide our diverse Northern NJ customers a prompt response, consistently top quality electrical work designed to meet and exceed local and national industry standards for safety and efficiency, regardless of the size or scale of the electrical work. MDL Electric LLC, a family owned electrical contracting business established in 2007. The owner, Miguel Deleon started working in the electrical industry since 1993; he has over 20 years of electrical experience in all aspects of electrical work. We are committed to providing exceptional service, expertise to every project and get the job done and guarantees customer satisfaction. All our technicians are trained and certified; backgrounds checked and attend continuing education seminars to be up to date on electrical codes. For more than 20 years, Miguel De Leon has been providing solutions oriented to each customer may it be Residential, Commercial, or Industrial. Our mission is to create successful and lasting partnerships by exceeding expectations and gaining trust through exceptional performance. Let MDL Electric LLC bring power to your next project. We are a fully licensed Electrical and HVAC Business. Call us and experience true family quality.

"Miguel contacted me almost instantly. Issac arrived right on time. Issac was professional, courteous, and explained everything every step of the way. I wasn’t big on trying Angi, and was very skeptical but I was wow’s by MDL. Such a great experience. I definitely will be calling them if I ever need electrical services again and I’ll use Angi again too for other projects. Such a great experience."

Michael D on December 2023

We provide our diverse Northern NJ customers a prompt response, consistently top quality electrical work designed to meet and exceed local and national industry standards for safety and efficiency, regardless of the size or scale of the electrical work. MDL Electric LLC, a family owned electrical contracting business established in 2007. The owner, Miguel Deleon started working in the electrical industry since 1993; he has over 20 years of electrical experience in all aspects of electrical work. We are committed to providing exceptional service, expertise to every project and get the job done and guarantees customer satisfaction. All our technicians are trained and certified; backgrounds checked and attend continuing education seminars to be up to date on electrical codes. For more than 20 years, Miguel De Leon has been providing solutions oriented to each customer may it be Residential, Commercial, or Industrial. Our mission is to create successful and lasting partnerships by exceeding expectations and gaining trust through exceptional performance. Let MDL Electric LLC bring power to your next project. We are a fully licensed Electrical and HVAC Business. Call us and experience true family quality.

"Miguel contacted me almost instantly. Issac arrived right on time. Issac was professional, courteous, and explained everything every step of the way. I wasn’t big on trying Angi, and was very skeptical but I was wow’s by MDL. Such a great experience. I definitely will be calling them if I ever need electrical services again and I’ll use Angi again too for other projects. Such a great experience."

Michael D on December 2023


Avatar for Pipe Works Services Inc
Pipe Works Services Inc
33 River Rd
4.42(
170
)
Approved Pro
Pipe Works Services Inc
33 River Rd
4.42(
170
)
Approved Pro
Customers say: Quick response
262 local quotes requested
25 years of experience

Since 2000, we have built our reputation as one of Northern New Jersey’s most trusted experts for home comfort and efficiency. Improving the overall comfort and energy efficiency of your home is our #1 priority, and we believe we are the best. What sets us apart from other home energy contractors is that our team undergoes continuous extensive training that is unmatched by anyone in the industry. You can rest assured that we will perform the job right the first time around! With over 75 years of combined service experience, Pipe Works Services Inc. is a New Jersey Plumbing, Heating, Air Conditioning, Water Conditioning, Insulation, Electrical, Installation, Drain Cleaning, Maintenance, Replacement company located in Morris County. Pipe Works will send you only the best technician or specialist to fix, replace or install your needs.

"Excellent, excellent, excellent!"

Angel G on April 2025

Since 2000, we have built our reputation as one of Northern New Jersey’s most trusted experts for home comfort and efficiency. Improving the overall comfort and energy efficiency of your home is our #1 priority, and we believe we are the best. What sets us apart from other home energy contractors is that our team undergoes continuous extensive training that is unmatched by anyone in the industry. You can rest assured that we will perform the job right the first time around! With over 75 years of combined service experience, Pipe Works Services Inc. is a New Jersey Plumbing, Heating, Air Conditioning, Water Conditioning, Insulation, Electrical, Installation, Drain Cleaning, Maintenance, Replacement company located in Morris County. Pipe Works will send you only the best technician or specialist to fix, replace or install your needs.

"Excellent, excellent, excellent!"

Angel G on April 2025


Avatar for Gold Medal Service
Gold Medal Service
20 Booker St
4.44(
487
)
Approved Pro
Gold Medal Service
20 Booker St
4.44(
487
)
Approved Pro
Customers say: Super punctual
170 local quotes requested
49 years of experience

Plumbing, HVAC, and electrical systems make your house livable. One minor issue with any of these systems can put your home at a standstill. In case you find yourself in this unfortunate situation, know that you can count on Gold Medal Service. For over 24 years, our company has been taking care of the homes of New Jersey residents through our top quality plumbing, HVAC, and electrical services. We are available 24 hours a day, 7 days a week to address even the most mind-boggling issues of your in-home equipment. From repairs, installations, and upgrades, our technicians are known for getting the job done right every time. We also provide upfront pricing with a full description of the service before commencing work to avoid any surprises down the line.

"If I could, I would give this horrible service provider a 0.0! I scheduled a plumbing appointment on a call, which was confirmed via multiple texts the day prior to the appt. Then had an employee go to the location during the 4 hour window they specified and wait for the plumber. On the day of the appt, 1 hour into the time window someone calls and says, sorry we’re not going to go because we only do residential plumbing. This was a surprise, as it was communicated to them that this was a business when I had set up the appt. So, I decided to speak with a manager. After spending over an hour of being bounced around from one dept to another, asking for a manager, they never connected me to one and their dispatcher had the audacity to say “sorry for your inconvenience, but you’ll just have to find someone else.” WOW! The hoops they make you jump through and the rudeness is not worth the hassle. I would definitely recommend you find a different plumbing pro for your project!"

Mark K on March 2024

Plumbing, HVAC, and electrical systems make your house livable. One minor issue with any of these systems can put your home at a standstill. In case you find yourself in this unfortunate situation, know that you can count on Gold Medal Service. For over 24 years, our company has been taking care of the homes of New Jersey residents through our top quality plumbing, HVAC, and electrical services. We are available 24 hours a day, 7 days a week to address even the most mind-boggling issues of your in-home equipment. From repairs, installations, and upgrades, our technicians are known for getting the job done right every time. We also provide upfront pricing with a full description of the service before commencing work to avoid any surprises down the line.

"If I could, I would give this horrible service provider a 0.0! I scheduled a plumbing appointment on a call, which was confirmed via multiple texts the day prior to the appt. Then had an employee go to the location during the 4 hour window they specified and wait for the plumber. On the day of the appt, 1 hour into the time window someone calls and says, sorry we’re not going to go because we only do residential plumbing. This was a surprise, as it was communicated to them that this was a business when I had set up the appt. So, I decided to speak with a manager. After spending over an hour of being bounced around from one dept to another, asking for a manager, they never connected me to one and their dispatcher had the audacity to say “sorry for your inconvenience, but you’ll just have to find someone else.” WOW! The hoops they make you jump through and the rudeness is not worth the hassle. I would definitely recommend you find a different plumbing pro for your project!"

Mark K on March 2024


Avatar for SteerElectric
SteerElectric
148 Dodd St
4.64(
33
)
Approved Pro
SteerElectric
148 Dodd St
4.64(
33
)
Approved Pro
Customers say: Terrific value
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
37 local quotes requested

SteerElectric is a family-owned small business that offers all aspects of electrical contracting to any type customer. No job is too big or too small. Just give us a call! We know your home is one of your most valuable investments and we're dedicated to bringing our customers’ homes back to their former glory. When you hire us, you're hiring a team of professionals who are trained and skilled to deliver lasting value to your home. Please call us directly or click for a free estimate today!

"I’m very satisfied with the work that was done. The job was done professionally and in a timely manner which allowed my family to enjoy the rest of our day. Odane installed an EV charger for my Tesla and he delivered on exactly what he promised. Before he left he asked me to confirm everything worked as requested and I saw the car was charging exactly at the speed that it was supposed to. Overall I’m very satisfied with his work and I know others will be too. Thank you for helping me find him through Angi’s."

Igor K on September 2024

SteerElectric is a family-owned small business that offers all aspects of electrical contracting to any type customer. No job is too big or too small. Just give us a call! We know your home is one of your most valuable investments and we're dedicated to bringing our customers’ homes back to their former glory. When you hire us, you're hiring a team of professionals who are trained and skilled to deliver lasting value to your home. Please call us directly or click for a free estimate today!

"I’m very satisfied with the work that was done. The job was done professionally and in a timely manner which allowed my family to enjoy the rest of our day. Odane installed an EV charger for my Tesla and he delivered on exactly what he promised. Before he left he asked me to confirm everything worked as requested and I saw the car was charging exactly at the speed that it was supposed to. Overall I’m very satisfied with his work and I know others will be too. Thank you for helping me find him through Angi’s."

Igor K on September 2024


Avatar for Green Sun Energy Services, LLC
Green Sun Energy Services, LLC
79 McCutcheon Ct.
4.96(
68
)
Approved Pro
Green Sun Energy Services, LLC
79 McCutcheon Ct.
4.96(
68
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
27 local quotes requested

Founded in 2010, we have helped over 1,000 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, generator maintenance services, and seasonal services such as soft washing and Christmas light Installation. Headquartered in Middletown, NJ our local team supports clients throughout Monmouth, Ocean, Middlesex, Somerset, Mercer and Union County.

"My husband and I were so thankful we used Green Sun for the installation of our new generator that a year later (when we decided to move) we used them again! Every member of the crew from first inquiry to final inspection was exceptional. Everyone was very professional, informative and friendly. The communication was amazing -- every step of the way. And their prices were more than fair. Green Sun made the entire process wonderfully easy for us. Special thanks to Glen, Karen and Jennifer who became like family."

Carol C on June 2023

Founded in 2010, we have helped over 1,000 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, generator maintenance services, and seasonal services such as soft washing and Christmas light Installation. Headquartered in Middletown, NJ our local team supports clients throughout Monmouth, Ocean, Middlesex, Somerset, Mercer and Union County.

"My husband and I were so thankful we used Green Sun for the installation of our new generator that a year later (when we decided to move) we used them again! Every member of the crew from first inquiry to final inspection was exceptional. Everyone was very professional, informative and friendly. The communication was amazing -- every step of the way. And their prices were more than fair. Green Sun made the entire process wonderfully easy for us. Special thanks to Glen, Karen and Jennifer who became like family."

Carol C on June 2023


Avatar for First Class Electric
First Class Electric
619 Raritan Rd.
4.79(
103
)
Approved Pro
First Class Electric
619 Raritan Rd.
4.79(
103
)
Approved Pro
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
42 local quotes requested

Established in 2007, First Class Electric is here to help you with all electrical needs for your home and business in Cranford, NJ. Our licensed, insured, and bonded electricians will make your home and business more comfortable, safer, and brighter. About 70% of our business comes from repeat customers, demonstrating the high level of quality and service we provide. All of our work is 100% satisfaction guaranteed and comes with a lifetime warranty on labor which sets us apart from other electrical contractors. To schedule an appointment, give us a call at (908) 325-1777.

"second job- ceiling fans installed in bedroom"

Mark K on May 2021

Established in 2007, First Class Electric is here to help you with all electrical needs for your home and business in Cranford, NJ. Our licensed, insured, and bonded electricians will make your home and business more comfortable, safer, and brighter. About 70% of our business comes from repeat customers, demonstrating the high level of quality and service we provide. All of our work is 100% satisfaction guaranteed and comes with a lifetime warranty on labor which sets us apart from other electrical contractors. To schedule an appointment, give us a call at (908) 325-1777.

"second job- ceiling fans installed in bedroom"

Mark K on May 2021


Avatar for Best Dressed Electric
Best Dressed Electric
16 Hilltop Rd
5.00(
31
)
Approved Pro
Best Dressed Electric
16 Hilltop Rd
5.00(
31
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
47 local quotes requested

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


Avatar for REDS GENERATOR SERVICE
REDS GENERATOR SERVICE
31 Pulsch St Suite 101
5.00(
1
)
Approved Pro
REDS GENERATOR SERVICE
31 Pulsch St Suite 101
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Red was so professional, yet casual and thoroughly diagnosed our generator and got it humming along. Highly recommended."

Robert U on December 2023

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Red was so professional, yet casual and thoroughly diagnosed our generator and got it humming along. Highly recommended."

Robert U on December 2023


Avatar for Electric Doctor LLC
Electric Doctor LLC
420 Forest Dr
5.00(
3
)
Approved Pro
Electric Doctor LLC
420 Forest Dr
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2 years of experience

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"I would highly recommend the electric doctor Brad can came and explained what had to be done to upgrade my electrical service to 200 Amps work was done in a very professional manner and went through the town electrical inspection with flying colors."

Mark C on April 2023

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"I would highly recommend the electric doctor Brad can came and explained what had to be done to upgrade my electrical service to 200 Amps work was done in a very professional manner and went through the town electrical inspection with flying colors."

Mark C on April 2023

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Generator installations FAQs

Installing a whole-house generator costs about $5,000 on average. Prices range from $1,550 to $8,500, depending on size, brand, fuel type, and assembly. The size of your whole-house generator is the most significant cost factor, with large homes with high energy demands costing the most to power. Types of whole-home generators include:

  • Portable generators with 1kW–7.5kW capacity: $500–$2,000

  • Partial generators with 9kW–20kW capacity: $2,000–$6,300

  • Whole-house generators with 22kW–48kW: $5,000–$18,000

When maintained properly, a whole-house generator can last up to 20 years. Costs to maintain and repair generators vary by location and type of generator, but you can expect to pay about $150 to $300 per year for annual generator maintenance checks. An experienced generator service technician will inspect your generator’s engine filter, starting mechanism, fuel, lubrication, and coolant levels to keep your generator in good working condition for as long as possible.

When choosing the right size generator for your needs, consider a few items to help calculate the wattage you’ll need. Start by determining which household items and appliances you want to power, and then add the wattages together. Check out the wattage of these essential appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 watts

Running home appliances like these requires a partial or whole-house generator. A portable generator may be enough to power your home if you only plan to keep a refrigerator and freezer running. 

Here’s what you can run with different wattages and types of generators:

Portable generator:

  • 2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. 

  • 4,000 watts will keep two large appliances operating and a few smaller devices.

  • 8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.

Partial to whole-house generator:

  • 20,000 watts and above will make it seem like your home’s power is still on.

The value of installing a whole-house generator is that your home has guaranteed power, even if the power grid in your area is down. Whether a whole-house generator is worth installing in your home depends on how often you use it, your home’s location, and your lifestyle. For example, installing a whole-house generator is likely worth it if you:

  • Experience frequent or prolonged power outages

  • Work from home

  • Store a lot of cold food

  • Have a sump pump

  • Have a pump for well water

  • Use electronic medical devices

  • Live in a climate requiring heating or cooling

The homeowners guide to generator installations
From average costs to expert advice, get all the answers you need to get your job done.
A portable inverter generator
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The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.
Boy and girl jumping on the couch sofa
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A whole house generator can keep your home running during a power outage, but can it handle the energy demands of an air conditioner? Here’s what to consider.
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Natural gas generators emit carbon monoxide, a harmful gas. Learn about what carbon monoxide is and tips to operate your generator safely.
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Is a whole-house generator worth it? Discover the key factors influencing ROI and whether it's the right choice for your home.
outdoor diesel power generator
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Diesel remains a popular fuel option for a variety of home generators, but you will need to plan your maintenance carefully. Here’s how it works.
emergency power supply outside home
Apr 4, 2025
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How much does it cost to run a standby generator? The answer varies based on the type and size of the generator. Find out more.
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