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Generator repair pros in Waltham

Avatar for Cotti Johnson HVAC, Inc.
Cotti Johnson HVAC, Inc.
30 Waverly St
4.52(
50
)
Approved Pro
Cotti Johnson HVAC, Inc.
30 Waverly St
4.52(
50
)
Approved Pro
Customers say: True professional
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
80 local quotes requested

Cotti Johnson has been a trusted name for over 75 years, providing expert HVAC, plumbing, and electrical services to homeowners in the Greater Boston area. We specialize in HVAC installation, repair, and maintenance, ensuring your home stays comfortable year-round. Our plumbing services range from leak repairs to new installations, while our licensed electricians handle all electrical needs, including panel upgrades and lighting installations. Trust Cotti Johnson for professional, reliable, and comprehensive home services.

"On time. Patient got the job done well"

Daniel r on November 2024

Cotti Johnson has been a trusted name for over 75 years, providing expert HVAC, plumbing, and electrical services to homeowners in the Greater Boston area. We specialize in HVAC installation, repair, and maintenance, ensuring your home stays comfortable year-round. Our plumbing services range from leak repairs to new installations, while our licensed electricians handle all electrical needs, including panel upgrades and lighting installations. Trust Cotti Johnson for professional, reliable, and comprehensive home services.

"On time. Patient got the job done well"

Daniel r on November 2024


Avatar for Digital City Technology, Inc.
Digital City Technology, Inc.
68 Mountain Gate Road
5.00(
5
)
Approved Pro
Digital City Technology, Inc.
68 Mountain Gate Road
5.00(
5
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
13 years of experience

Digital City Technology, Inc. (Digital City) is based in Ashland, MA, supporting greater Boston and New England since 2008. We are a Telecommunications, Network, Low Voltage and Fiber Optic professional service provider. Digital City installs VOIP Phone systems, LAN/WAN, IP Surveillance and Audio/Visual Systems. We specialize in Phone/Internet cutovers, Data Center installations, Network and System design, CAT 5 & 6 and Fiber Optic cabling, Structured Cabling and Wireless Internet implementation. Digital City has participated in Technology Roll-outs for Fortune 500 companies and performed Technology, Network and Wi-Fi deployments, VOIP installs etc. Our main goal is to provide cost-justifiable, top quality IT services designed to meet business, customer and user demands.

"Low voltage work was clean and labeled!"

Shane H on February 2020

Digital City Technology, Inc. (Digital City) is based in Ashland, MA, supporting greater Boston and New England since 2008. We are a Telecommunications, Network, Low Voltage and Fiber Optic professional service provider. Digital City installs VOIP Phone systems, LAN/WAN, IP Surveillance and Audio/Visual Systems. We specialize in Phone/Internet cutovers, Data Center installations, Network and System design, CAT 5 & 6 and Fiber Optic cabling, Structured Cabling and Wireless Internet implementation. Digital City has participated in Technology Roll-outs for Fortune 500 companies and performed Technology, Network and Wi-Fi deployments, VOIP installs etc. Our main goal is to provide cost-justifiable, top quality IT services designed to meet business, customer and user demands.

"Low voltage work was clean and labeled!"

Shane H on February 2020


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 Calhoun 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 Calhoun C on September 2023


Avatar for JBJ Systems, Inc.
JBJ Systems, Inc.
3 Red Coat Lane
New on HomeAdvisorNew on Angi
Approved Pro
JBJ Systems, Inc.
3 Red Coat Lane
New on AngiNew on HomeAdvisor
Approved Pro
4 years of experience

JBJ SYSTEMS provides innovative security systems, including video surveillance and access control, as well as advanced structured cabling and network solutions. Our expert technicians bring together experience and knowledge with trusted solutions, delivering results on time and on budget.

JBJ SYSTEMS provides innovative security systems, including video surveillance and access control, as well as advanced structured cabling and network solutions. Our expert technicians bring together experience and knowledge with trusted solutions, delivering results on time and on budget.


Avatar for VIP Computers
VIP Computers
PO Box 4422
5.00(
3
)
Approved Pro
VIP Computers
PO Box 4422
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
18 years of experience

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers' 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.

"If my network or computer in not working, I am out of business until it's up and running. On many occasion VIP Computers came through for me and fixed the various issues we've had. I highly recommend VIP Computers, Jerry K. New World Auto Glass Co."

Gerald K on January 2022

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers' 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.

"If my network or computer in not working, I am out of business until it's up and running. On many occasion VIP Computers came through for me and fixed the various issues we've had. I highly recommend VIP Computers, Jerry K. New World Auto Glass Co."

Gerald K on January 2022


Joseph Lapomardo, Electrician
5 White Avenue
4.97(
246
)
Approved Pro
Joseph Lapomardo, Electrician
5 White Avenue
4.97(
246
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
13 local quotes requested

I pride my company on reliability, great communication, integrity, and quality work. I am an expert in my trade and will do my best to keep you as educated as I can on your particular task or project. I work hard for my 5 star reviews and hope to earn your business and trust. Please note I only do SERVICE UPGRADES/PANEL CHANGES AND EV CAR CHARGERS AND GENERATOR HOOKUPS. Angi/Home Advisor charge per category of work you would like done so please make sure you pick the correct task and add a description so they can match you with me or the correct contractor for your project. Thank you.

"I reached out to Joe to inquire about an EV charger installation, and not only did he respond within a minute, but he was also available to complete the installation the same day at a time that was convenient for me. Outstanding service?five stars! I highly recommend him."

Matt E on March 2025

I pride my company on reliability, great communication, integrity, and quality work. I am an expert in my trade and will do my best to keep you as educated as I can on your particular task or project. I work hard for my 5 star reviews and hope to earn your business and trust. Please note I only do SERVICE UPGRADES/PANEL CHANGES AND EV CAR CHARGERS AND GENERATOR HOOKUPS. Angi/Home Advisor charge per category of work you would like done so please make sure you pick the correct task and add a description so they can match you with me or the correct contractor for your project. Thank you.

"I reached out to Joe to inquire about an EV charger installation, and not only did he respond within a minute, but he was also available to complete the installation the same day at a time that was convenient for me. Outstanding service?five stars! I highly recommend him."

Matt E on March 2025


Avatar for NAX Electrical Services, LLC
NAX Electrical Services, LLC
1070 Iyannough Rd #311
4.36(
7
)
Approved Pro
NAX Electrical Services, LLC
1070 Iyannough Rd #311
4.36(
7
)
Approved Pro
Customers say: Quick response
3 years of experience
Emergency services offered

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today! 508-296-0552

"Great job done"

William B on August 2022

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today! 508-296-0552

"Great job done"

William B on August 2022


Shiloh Electrical Services, Inc.
PO Box 240287
New on HomeAdvisorNew on Angi
Approved Pro
Shiloh Electrical Services, Inc.
PO Box 240287
New on AngiNew on HomeAdvisor
Approved Pro
30 years of experience
Free onsite estimate

We are 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. We are 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!

We are 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. We are 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!


Avatar for Antonio Calcagni
Antonio Calcagni
104 Farwell Street
4.33(
6
)
Approved Pro
Antonio Calcagni
104 Farwell Street
4.33(
6
)
Approved Pro
Customers say: Quick response
27 years of experience
Free onsite estimate

It can be a daunting task looking for not only the right contractor for your job but also the right contractor for you. We completely understand what you are going through. We know every customer has different desires, different needs and different schedules. We are not only here to turn your ideas into reality but to make it a memorable experience every step of the way. Call us right now, no matter where you are in the planning process.

"He said he'd get the job done in two weeks. Never received a quote and never called back"

JP P on September 2024

It can be a daunting task looking for not only the right contractor for your job but also the right contractor for you. We completely understand what you are going through. We know every customer has different desires, different needs and different schedules. We are not only here to turn your ideas into reality but to make it a memorable experience every step of the way. Call us right now, no matter where you are in the planning process.

"He said he'd get the job done in two weeks. Never received a quote and never called back"

JP P on September 2024


Link Established, LLC
11 B Industrial Way
New on HomeAdvisorNew on Angi
Approved Pro
Link Established, LLC
11 B Industrial Way
New on AngiNew on HomeAdvisor
Approved Pro
13 years of experience
Free onsite estimate

We specialize in all aspect of computer repair, networking, and telecommunication. With over 16 years of business we are proud to take care of your needs. We specialize in residential and commercial IT services.

We specialize in all aspect of computer repair, networking, and telecommunication. With over 16 years of business we are proud to take care of your needs. We specialize in residential and commercial IT services.

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Generator repair services FAQs

Before hiring an electrician to work on a project in your home, verify their licensing, qualifications, and insurance. Check their official website, read customer reviews, and confirm their credentials with your local labor department. Ensure they hold liability insurance and have strong references. This thorough verification helps you receive reliable service and protects your home.

By bundling multiple electrical tasks, you can reduce overall costs by minimizing repeat service fees and consolidating labor charges into a single visit. By scheduling several repairs at once—like outlet replacements, light switch installations, and light fixture installations—you eliminate extra call-out costs and gain efficiency, securing better pricing without sacrificing quality.

Unless you're a licensed electrician, it's not safe to perform electrical work yourself. Handling electrical tasks without proper expertise poses serious risks like electric shock, fires, and structural damage. Professional electricians use specialized tools and follow strict codes to ensure the work is done safely and correctly, protecting your home and well-being.

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