Top-rated generator installers.

Get matched with top generator installers in Marshfield, MA

There are 16 highly-rated local generator installers.

TRUSTED BY HOMEOWNERS

Average homeowner rating star icon4.5
Average homeowner rating
Verified reviews icon11
Verified generator installations reviews

Generator installers in Marshfield

Avatar for Jesse America Electrician
Jesse America Electrician
447 Dighton Avenue
5.00(
10
)
Approved Pro
Jesse America Electrician
447 Dighton Avenue
5.00(
10
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
17 local quotes requested

Jesse America Electrician is locally owned and operated providing all types of general electrical services. We are a true One-Stop Electrical service! We are reliable, easy to work with and dedicated to our customers. Give us a call or click for an estimate today!

"Fabulous! Jesse is the best!"

Monica k on January 2025

Jesse America Electrician is locally owned and operated providing all types of general electrical services. We are a true One-Stop Electrical service! We are reliable, easy to work with and dedicated to our customers. Give us a call or click for an estimate today!

"Fabulous! Jesse is the best!"

Monica k on January 2025


Avatar for Cotti-Johnson Heating-Cooling-Electrical
Cotti-Johnson Heating-Cooling-Electrical
30 Waverly St
4.68(
154
)
Approved Pro
Cotti-Johnson Heating-Cooling-Electrical
30 Waverly St
4.68(
154
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
482 local quotes requested

Experiencing issues with your heating, air conditioning, plumbing, or electrical systems? Cotti-Johnson is your reliable one-stop shop for all home comfort needs. From simple fixes to large-scale projects, our professional team handles everything with honesty and expertise. We offer 24/7 emergency services and specialized design services for landscape and indoor lighting. Trust us for top-notch, efficient, and transparent service. Visit our website at callcotti.com or call us at (833) 826-8844 to see how we can improve your home's comfort and efficiency.

"The electrician, Mr. Jason Thompson, did an excellent job."

Armen S on April 2025

Experiencing issues with your heating, air conditioning, plumbing, or electrical systems? Cotti-Johnson is your reliable one-stop shop for all home comfort needs. From simple fixes to large-scale projects, our professional team handles everything with honesty and expertise. We offer 24/7 emergency services and specialized design services for landscape and indoor lighting. Trust us for top-notch, efficient, and transparent service. Visit our website at callcotti.com or call us at (833) 826-8844 to see how we can improve your home's comfort and efficiency.

"The electrician, Mr. Jason Thompson, did an excellent job."

Armen S on April 2025


Avatar for NETR Inc
NETR Inc
85 FLAGSHIP DR
4.84(
74
)
Approved Pro
NETR Inc
85 FLAGSHIP DR
4.84(
74
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
174 local quotes requested

For emergency services, please call 781-933-6387. N.E.T.R., Inc. is here to help homeowners install the best heating and cooling systems that fits their needs. Since 1989, we’ve installed heating and cooling systems in Boston and its surrounding areas, tackling tough problems that our clients face. Our goal is to ensure our clients have energy efficient, quiet, reliable systems so they can live their lives to the fullest both at home and at work. Our dedication to our customers’ needs is what drives us each and every day. Our approach to temperature control and comfort has helped us become one of the most respected names in heating, cooling, and refrigeration in New England

"I reached out to couple of companies and ultimately decided to go with NETR, and I’m glad I did. From the salesman Chip, to the installer Daniel Rodriguez, their professionalism was exceptional. Their work ethic and attention to detail sets them apart from other companies in this business. Daniel is an expert and went above and beyond to make sure everything was tidy and perfect! They’re really invested in customer satisfaction!"

Navya P on March 2024

For emergency services, please call 781-933-6387. N.E.T.R., Inc. is here to help homeowners install the best heating and cooling systems that fits their needs. Since 1989, we’ve installed heating and cooling systems in Boston and its surrounding areas, tackling tough problems that our clients face. Our goal is to ensure our clients have energy efficient, quiet, reliable systems so they can live their lives to the fullest both at home and at work. Our dedication to our customers’ needs is what drives us each and every day. Our approach to temperature control and comfort has helped us become one of the most respected names in heating, cooling, and refrigeration in New England

"I reached out to couple of companies and ultimately decided to go with NETR, and I’m glad I did. From the salesman Chip, to the installer Daniel Rodriguez, their professionalism was exceptional. Their work ethic and attention to detail sets them apart from other companies in this business. Daniel is an expert and went above and beyond to make sure everything was tidy and perfect! They’re really invested in customer satisfaction!"

Navya P on March 2024


electrical installation, all job matters. - Electrical - Generator - Over 10 years experience -


Avatar for Marcelo R. Soares Electrician
Marcelo R. Soares Electrician
10 Woodspring Farm Lane
5.00(
7
)
Approved Pro
Marcelo R. Soares Electrician
10 Woodspring Farm Lane
5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
43 local quotes requested

I offer a variety of electrical services. We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality of work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule an estimate today!

"Outstanding…Marcelo & his team were the insightful, professional & talented. I would highly recommend Marcelo for any electrical work!"

Dave C on November 2024

I offer a variety of electrical services. We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality of work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule an estimate today!

"Outstanding…Marcelo & his team were the insightful, professional & talented. I would highly recommend Marcelo for any electrical work!"

Dave C on November 2024


Avatar for Stephen Braga Electric LLC
Stephen Braga Electric LLC
Based In
5.00(
3
)
Approved Pro
Stephen Braga Electric LLC
Based In
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
48 local quotes requested

Here’s a compelling message to attract customers to your electrical company: --- **Why Choose Us for Your Electrical Needs?** 1. **Experienced Professionals**: Our team of licensed electricians brings years of hands-on expertise to every job, ensuring top-notch quality and safety. 2. **Reliable Service**: We pride ourselves on being punctual and completing projects on time, so you can get back to your routine without delays. 3. **Customer-Centered Approach**: We listen to your needs and offer tailored solutions, from small repairs to large-scale installations, ensuring your satisfaction every step of the way. 4. **Competitive Pricing**: We provide transparent pricing with no hidden fees, offering value for your money without compromising on quality. 5. **Safety First**: We adhere to the latest safety standards and codes, ensuring that all work is done safely, whether in your home or business. 6. **24/7 Emergency Services**: Electrical issues can happen at any time. That’s why we offer round-the-clock emergency services, so you’re never left in the dark. 7. **Eco-Friendly Solutions**: We also offer energy-efficient solutions, helping you reduce energy costs while doing your part for the environment. --- Hiring your company ensures expert service, reliability, and peace of mind.

"Awesome electrician!! Very reliable, kind, and great price!"

Brenda D on September 2024

Here’s a compelling message to attract customers to your electrical company: --- **Why Choose Us for Your Electrical Needs?** 1. **Experienced Professionals**: Our team of licensed electricians brings years of hands-on expertise to every job, ensuring top-notch quality and safety. 2. **Reliable Service**: We pride ourselves on being punctual and completing projects on time, so you can get back to your routine without delays. 3. **Customer-Centered Approach**: We listen to your needs and offer tailored solutions, from small repairs to large-scale installations, ensuring your satisfaction every step of the way. 4. **Competitive Pricing**: We provide transparent pricing with no hidden fees, offering value for your money without compromising on quality. 5. **Safety First**: We adhere to the latest safety standards and codes, ensuring that all work is done safely, whether in your home or business. 6. **24/7 Emergency Services**: Electrical issues can happen at any time. That’s why we offer round-the-clock emergency services, so you’re never left in the dark. 7. **Eco-Friendly Solutions**: We also offer energy-efficient solutions, helping you reduce energy costs while doing your part for the environment. --- Hiring your company ensures expert service, reliability, and peace of mind.

"Awesome electrician!! Very reliable, kind, and great price!"

Brenda D on September 2024


Avatar for FM Generator
FM Generator
35 Pequit St
4.70(
20
)
Approved Pro
FM Generator
35 Pequit St
4.70(
20
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
29 local quotes requested

We are a full-service home generator provider offering turnkey residential installations, service contracts, and emergency response. Family owned and operated, we have sold, installed and serviced generators for over 40 years! Our history is working with commercial generators, so we know the importance of reliability! Reliability is our product which is why we sell Fortress, an exclusive Briggs and Stratton brand of home generators. We can even save you money on a smaller generator with the Symphony II Home Power Management System! FM Generator - Keeping Families Powered for over 40 years! **Fully installed automatic home power system packages starting at $7,500**

"They were able to send someone to the house within a few days of initial contact. He wasn’t able to troubleshoot the problem directly but he was able to reach out to someone who could and everything was taken care of quickly and efficiently. Would absolutely contact them again in the future!"

Amanda F on January 2025

We are a full-service home generator provider offering turnkey residential installations, service contracts, and emergency response. Family owned and operated, we have sold, installed and serviced generators for over 40 years! Our history is working with commercial generators, so we know the importance of reliability! Reliability is our product which is why we sell Fortress, an exclusive Briggs and Stratton brand of home generators. We can even save you money on a smaller generator with the Symphony II Home Power Management System! FM Generator - Keeping Families Powered for over 40 years! **Fully installed automatic home power system packages starting at $7,500**

"They were able to send someone to the house within a few days of initial contact. He wasn’t able to troubleshoot the problem directly but he was able to reach out to someone who could and everything was taken care of quickly and efficiently. Would absolutely contact them again in the future!"

Amanda F on January 2025


Avatar for Advanced Electrical LLC
Advanced Electrical LLC
Highfield Road
4.94(
51
)
Approved Pro
Advanced Electrical LLC
Highfield Road
4.94(
51
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
24 local quotes requested

Hello from advanced electrical. We have been in business for 5 years and are evolving as one of top contractors in Quincy We take pride in the work we do and have very skilled workers to perform are day to day tasks. The technology advances every day and we advance with it. Thank you for choosing advanced electrical

"I've used advanced electrical for about 10 years, everytime I need them they come fast and do the work efficiently for a great price. I have built out several lobster facilities with them and they have done work on mine & my parents homes. I highly recommend AE for any electrical needs. Michael LaRosa"

Mike l on October 2024

Hello from advanced electrical. We have been in business for 5 years and are evolving as one of top contractors in Quincy We take pride in the work we do and have very skilled workers to perform are day to day tasks. The technology advances every day and we advance with it. Thank you for choosing advanced electrical

"I've used advanced electrical for about 10 years, everytime I need them they come fast and do the work efficiently for a great price. I have built out several lobster facilities with them and they have done work on mine & my parents homes. I highly recommend AE for any electrical needs. Michael LaRosa"

Mike l on October 2024


Avatar for 3 Angel Electrical
3 Angel Electrical
225 Quincy Ave
5.00(
5
)
Approved Pro
3 Angel Electrical
225 Quincy Ave
5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
27 local quotes requested

With over 25years of professional, licensed electrical experience, our team of certified electricians is prepared to handle a wide range of electrical needs with precision and care. From installing new lighting fixtures and outlets to performing intricate electrical panel upgrades, we ensure every job meets the highest safety and quality standards. We also offer troubleshooting and installation services for modern smart home technologies, helping you integrate cutting-edge solutions into your home or business seamlessly. Contact us today for a free estimate, we look forward to serving you!

"Excellent! So quick, efficient & polite! Would definitely recommend! 🙌🏻"

Kim W on March 2025

With over 25years of professional, licensed electrical experience, our team of certified electricians is prepared to handle a wide range of electrical needs with precision and care. From installing new lighting fixtures and outlets to performing intricate electrical panel upgrades, we ensure every job meets the highest safety and quality standards. We also offer troubleshooting and installation services for modern smart home technologies, helping you integrate cutting-edge solutions into your home or business seamlessly. Contact us today for a free estimate, we look forward to serving you!

"Excellent! So quick, efficient & polite! Would definitely recommend! 🙌🏻"

Kim W on March 2025


Avatar for PW DiMasi Electric
PW DiMasi Electric
63 Boynton St
4.61(
38
)
Approved Pro
PW DiMasi Electric
63 Boynton St
4.61(
38
)
Approved Pro
Customers say: Quality work
22 local quotes requested
32 years of experience

We have been a Waltham based local electrical company since 1993. I Peter W DiMasi Master Electrician (15273A) owner of PW DiMasi Electric am committed to serving our customers with the best service and quality of work. We have courteous and qualified electricians that will complete any electrical job, small or large. We pride ourselves in quality, service and when the job is done, cleanliness! You will not need to clean after us. We are here for all your electrical needs from lighting design, installing an extra receptacle to wiring a new building. We install phone, cable TV, lighting, recessed lights, electric heat, service upgrades, circuit breakers, power generators, computer networking and much more. We are fully licensed and insured and have been vote best of the best since 2000.

"We hired PW DiMasi to install receded lighting in an upstairs office and could not be happier with the results. Peter, the owner, was prompt in scheduling a time to provide a project estimate and quoted us a fair price. He also showed up on the day of the project to introduce the two electricians that would be doing the work. The team was courteous, professional, and did a great job installing the lights. They also were careful to cover the room with tarps to minimize dust and cleaned up the workspace afterwards. If we have a future need for an electrician, PW DiMasi will be our first call."

Jeff F on January 2025

We have been a Waltham based local electrical company since 1993. I Peter W DiMasi Master Electrician (15273A) owner of PW DiMasi Electric am committed to serving our customers with the best service and quality of work. We have courteous and qualified electricians that will complete any electrical job, small or large. We pride ourselves in quality, service and when the job is done, cleanliness! You will not need to clean after us. We are here for all your electrical needs from lighting design, installing an extra receptacle to wiring a new building. We install phone, cable TV, lighting, recessed lights, electric heat, service upgrades, circuit breakers, power generators, computer networking and much more. We are fully licensed and insured and have been vote best of the best since 2000.

"We hired PW DiMasi to install receded lighting in an upstairs office and could not be happier with the results. Peter, the owner, was prompt in scheduling a time to provide a project estimate and quoted us a fair price. He also showed up on the day of the project to introduce the two electricians that would be doing the work. The team was courteous, professional, and did a great job installing the lights. They also were careful to cover the room with tarps to minimize dust and cleaned up the workspace afterwards. If we have a future need for an electrician, PW DiMasi will be our first call."

Jeff F on January 2025

...
Showing 1-10 of 150

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
Mar 3, 2025
Mar 3, 2025
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
Apr 1, 2025
Apr 1, 2025
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.
A natural gas generator outside a house
Apr 1, 2025
Apr 1, 2025
Natural gas generators emit carbon monoxide, a harmful gas. Learn about what carbon monoxide is and tips to operate your generator safely.
A house generator in the backyard of a house
Apr 1, 2025
Apr 1, 2025
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
Apr 1, 2025
Apr 1, 2025
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
Apr 4, 2025
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.
Share project details to get started.