Top-rated generator install pros.

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There are 9 highly-rated local generator install pros.

Find Generator install pros in Millville

Avatar for Nicholson Plumbing Heating & Air Conditioning Inc

Nicholson Plumbing Heating & Air Conditioning Inc

71 Whitney Street
4.54(
560
)
Approved Pro

Nicholson Plumbing Heating & Air Conditioning Inc

71 Whitney Street
4.54(
560
)
Approved Pro
Customers say: Super punctual
55 local quotes requested
25 years of experience

Nicholson Plumbing, Heating & Air Conditioning is the company of choice for all your plumbing, heating and air conditioning repair and replacement needs. Our commitment is to you, our customer, and to provide you with outstanding plumbing and HVAC service. You can rest assured with our 100% satisfaction guarantee, 24-hour emergency service, solid warranty and highly trained technicians. Serving the Metro West, MA's service and installation needs. Fully Licensed in MA Plumbing and Gas Fitting. Lic# 30207. Universal EPA Certified & 410A Certified. Fully Insured. Nicholson Plumbing, Heating & Air Conditioning offers a 5% senior discount on service repairs.

"Went very well and got more information than with other companies."

Susan H on April 2025

Nicholson Plumbing, Heating & Air Conditioning is the company of choice for all your plumbing, heating and air conditioning repair and replacement needs. Our commitment is to you, our customer, and to provide you with outstanding plumbing and HVAC service. You can rest assured with our 100% satisfaction guarantee, 24-hour emergency service, solid warranty and highly trained technicians. Serving the Metro West, MA's service and installation needs. Fully Licensed in MA Plumbing and Gas Fitting. Lic# 30207. Universal EPA Certified & 410A Certified. Fully Insured. Nicholson Plumbing, Heating & Air Conditioning offers a 5% senior discount on service repairs.

"Went very well and got more information than with other companies."

Susan H on April 2025


Avatar for Cotti-Johnson Heating-Cooling-Electrical

Cotti-Johnson Heating-Cooling-Electrical

30 Waverly St
4.68(
155
)
Approved Pro

Cotti-Johnson Heating-Cooling-Electrical

30 Waverly St
4.68(
155
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
971 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.

"Happy with the work, and the customer service. Will definitely call on them for future work."

Fran P on June 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.

"Happy with the work, and the customer service. Will definitely call on them for future work."

Fran P on June 2025


"I was told that the fee to simply come into my house to assess my furnace (that was not working) would be $260 on a Wednesday afternoon... and I was told this fee would not be absorbed into the work if I chose to have it done. If this company charges such an exorbitant assessment fee, I could only believe they would inflate other fees as well. I hired another local company for half that fee to assess then repair my furnace. Shame on Heritage Home Service."

Jeffrey D on December 2024

Heritage Home Service is proud to serve residents from Massachusetts. We are the area’s premier home services provider and for 35+ years, we’ve brought the Heritage touch to homes throughout the state.

"I was told that the fee to simply come into my house to assess my furnace (that was not working) would be $260 on a Wednesday afternoon... and I was told this fee would not be absorbed into the work if I chose to have it done. If this company charges such an exorbitant assessment fee, I could only believe they would inflate other fees as well. I hired another local company for half that fee to assess then repair my furnace. Shame on Heritage Home Service."

Jeffrey D on December 2024


"The team kept me well informed on the progress of the work until the job was completed. Very professional - I will definitely call VMA again in the future. Thank you!"

Nicole E on October 2025

Medium size Electrical Company based out of Metrowest Area. Currently have 9 licensed employees. Always free estimates. All pricing is based on specific work.

"The team kept me well informed on the progress of the work until the job was completed. Very professional - I will definitely call VMA again in the future. Thank you!"

Nicole E on October 2025


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
35 local quotes requested

We are a full-service home generator provider offering turnkey residential installations, service contracts, and emergency response, we also install whole home backup batteries.***WE DO NOT SERVICE PORTABLE GENERATORS** 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, we also install whole home backup batteries.***WE DO NOT SERVICE PORTABLE GENERATORS** 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 S & S ELECTRIC

S & S ELECTRIC

844 Putnam Pike
4.67(
81
)
Approved Pro

S & S ELECTRIC

844 Putnam Pike
4.67(
81
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
76 local quotes requested

S&S Electric is locally owned and operated by Scott Ware. We have 20 years experience in the field, servicing RI and MA. We have become a name for service excellence, integrity and reliability. S&S Electric meets the electrical service and repair needs of many customers each day. We deliver the highest quality of electrical service and repair to homes and businesses. Whether it’s a simple light fixture installation or rewiring a complete home, S&S Electric is the name customers think of first. We value all our customers equally, regardless of how big or small the job may be. We look forward to serving you and providing solutions for your electrical needs. All our work is done in an efficient, timely and professional manner and we offer very competitive rates.

"They were excellent workers"

Linda M on August 2024

S&S Electric is locally owned and operated by Scott Ware. We have 20 years experience in the field, servicing RI and MA. We have become a name for service excellence, integrity and reliability. S&S Electric meets the electrical service and repair needs of many customers each day. We deliver the highest quality of electrical service and repair to homes and businesses. Whether it’s a simple light fixture installation or rewiring a complete home, S&S Electric is the name customers think of first. We value all our customers equally, regardless of how big or small the job may be. We look forward to serving you and providing solutions for your electrical needs. All our work is done in an efficient, timely and professional manner and we offer very competitive rates.

"They were excellent workers"

Linda M on August 2024


Avatar for V. ISA GENERAL CONSTRUCTION CONTRACTING

V. ISA GENERAL CONSTRUCTION CONTRACTING

Knight St
4.92(
89
)
Approved Pro

V. ISA GENERAL CONSTRUCTION CONTRACTING

Knight St
4.92(
89
)
Approved Pro
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
80 local quotes requested

No job to big nor to small All is welcomed. The best electricians are always available to help with any projects. Now offering whole house standby generator Install We will build your home from the ground up. Any and all phases of the building of it will be to your expectations and more. We have some of the best builders *Carpenters *Plumbers *Sheetrock/drywall *Tile install or repairs *Flooring installation or repairs *Painters *power-washers *electricians *mason *stone and cement Feel free to give us a call today Always free estimates We are Always on time and you will Always get a call back. Your satisfaction is our priority You will receive the respect that you deserve Emergency services/calls provided We are licensed and insured

"Super professional. They were here about half of a day and got everything taken care of. Cleaned up after themselves and left the area better than it looked before they even started! Reasonable prices. Family business and I’d pick them over big commercial any day of the week. Just a really great hire all around."

Miraix M on August 2025

No job to big nor to small All is welcomed. The best electricians are always available to help with any projects. Now offering whole house standby generator Install We will build your home from the ground up. Any and all phases of the building of it will be to your expectations and more. We have some of the best builders *Carpenters *Plumbers *Sheetrock/drywall *Tile install or repairs *Flooring installation or repairs *Painters *power-washers *electricians *mason *stone and cement Feel free to give us a call today Always free estimates We are Always on time and you will Always get a call back. Your satisfaction is our priority You will receive the respect that you deserve Emergency services/calls provided We are licensed and insured

"Super professional. They were here about half of a day and got everything taken care of. Cleaned up after themselves and left the area better than it looked before they even started! Reasonable prices. Family business and I’d pick them over big commercial any day of the week. Just a really great hire all around."

Miraix M on August 2025


Avatar for Amazan Electrical

Amazan Electrical

23 Belview Drive
5.00(
13
)
Approved Pro

Amazan Electrical

23 Belview Drive
5.00(
13
)
Approved Pro
Customers say: True professional
2 years of experience
Emergency services offered

Welcome to Amazan Electrical, proudly servicing from Leominster to Boston and the surrounding areas. Our goal is to complete your project to perfection. We look forward to building long lasting relationships with the customers we serve. Call us today! You will not be disappointed. As we travel to meet with you and go over your ideal electrical needs, there will be a $100 estimate fee. We look forward to working with you!

"Very professional and friendly personality. Completed the project same day. We were able to use our electricity that night. He even added on a requested project for me. Nice guy. Thank you very much!"

VIRGINIA P on December 2024

Welcome to Amazan Electrical, proudly servicing from Leominster to Boston and the surrounding areas. Our goal is to complete your project to perfection. We look forward to building long lasting relationships with the customers we serve. Call us today! You will not be disappointed. As we travel to meet with you and go over your ideal electrical needs, there will be a $100 estimate fee. We look forward to working with you!

"Very professional and friendly personality. Completed the project same day. We were able to use our electricity that night. He even added on a requested project for me. Nice guy. Thank you very much!"

VIRGINIA P on December 2024


Avatar for Net DirXions, Inc.

Net DirXions, Inc.

27 Mica Lane, Suite 101
5.00(
11
)
Approved Pro

Net DirXions, Inc.

27 Mica Lane, Suite 101
5.00(
11
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 years of experience

Commercial Business Only. Our Team is as diverse as you need it to be. Our Help Desk Team can help your employees with their desktop support issues, such as MS Office, Gmail, and much more. We provide immediate access to our live IT support professional via telephone, chat, or e-mail 24 hours a day. Our Advisory Team can guide management as to how your company can move forward with new technology. We recognized the fundamental challenges of small to medium sized businesses to support an IT infrastructure as well implement, integrate and support cloud-based solutions. The benefits of partnering with NDX and using our NDX Cloud Platform Services removes the need of maintaining in-house skilled technical staff, allows for the focus on your business and not technology, predictable IT budgets and enables business flexibility and mobility.

"They were very professional and went far beyond what I expected. I'm am an architect and paying attention to detail is very important to me. I was very impressed and would highly recommend them to anyone. C D Calhoun"

CD C on September 2023

Commercial Business Only. Our Team is as diverse as you need it to be. Our Help Desk Team can help your employees with their desktop support issues, such as MS Office, Gmail, and much more. We provide immediate access to our live IT support professional via telephone, chat, or e-mail 24 hours a day. Our Advisory Team can guide management as to how your company can move forward with new technology. We recognized the fundamental challenges of small to medium sized businesses to support an IT infrastructure as well implement, integrate and support cloud-based solutions. The benefits of partnering with NDX and using our NDX Cloud Platform Services removes the need of maintaining in-house skilled technical staff, allows for the focus on your business and not technology, predictable IT budgets and enables business flexibility and mobility.

"They were very professional and went far beyond what I expected. I'm am an architect and paying attention to detail is very important to me. I was very impressed and would highly recommend them to anyone. C D Calhoun"

CD C on September 2023


Avatar for EvanTechs

EvanTechs

827 Massachusetts
5.00(
13
)
Approved Pro

EvanTechs

827 Massachusetts
5.00(
13
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
25 years of experience

For over 10 years, Evantechs has been providing voice and data services for residential and commercial customers. Our services include: design, expansion, and relocation services of existing telcom data and surveillance systems. Our experience enables us to design and install systems that are cost effective and optimized to your specific requirements. Our team of highly skilled technicians is professional, timely, and sensitive to the needs of the client. We don't simply install equipment, we provide solutions. Give us a call today! .

"He was very helpful, quick to understand what I needed. Was able to diagnose the issue, and what I was looking for was not practical. Made another recommendation that ended up being much better. He even made time for us on a Saturday, without giving us the runaround. I appreciate his service very much."

Paul L on November 2022

For over 10 years, Evantechs has been providing voice and data services for residential and commercial customers. Our services include: design, expansion, and relocation services of existing telcom data and surveillance systems. Our experience enables us to design and install systems that are cost effective and optimized to your specific requirements. Our team of highly skilled technicians is professional, timely, and sensitive to the needs of the client. We don't simply install equipment, we provide solutions. Give us a call today! .

"He was very helpful, quick to understand what I needed. Was able to diagnose the issue, and what I was looking for was not practical. Made another recommendation that ended up being much better. He even made time for us on a Saturday, without giving us the runaround. I appreciate his service very much."

Paul L on November 2022

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Generator Install questions, answered by experts

Whole-house generators need to be installed on level ground several feet away from walls and other objects. Because they tap into the electrical system directly, they usually need to be close to your home electrical panel for a transfer switch installation. It also helps with installation if they are near to a gas line or propane tank installation.

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.

A portable generator can supply power to selected appliances and circuits in a home, but it's generally not designed to handle the entire household's electrical needs simultaneously. Portable generators have limited wattage capacity, so they are only designed to power essential devices and electronics temporarily until local power is restored. If your power needs outweigh the capabilities of a portable generator, consider installing a whole-home generator instead.

No, you cannot plug a generator directly into a wall outlet in your home. Plugging in a generator without an interlocking kit, extension cord, or wall outlet receptacle is incredibly dangerous and can cause back-feeding—power from the generator back-feeds into utility lines. Also, if the main power comes back on while your generator is on, it could damage the generator and cause a house fire.

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

The Millville, MA homeowners’ guide to generator installs

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