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Granite State Solar creates resilient energy systems for homes and businesses throughout New Hampshire. We meet your energy needs with custom generator, battery backup and solar panel installations.


Avatar for Heritage Home Service

Heritage Home Service

28 Commercial Ct
4.04(
454
)
Approved Pro

Heritage Home Service

28 Commercial Ct
4.04(
454
)
Approved Pro
Customers say: Super punctual
196 local quotes requested
39 years of experience

We’re Your Local Plumbers, Heating and AC Technicians, and Electricians. Get prompt and professional plumbing, heating, air conditioning, and electrical services. Our quality staff of licensed and local plumbers and electricians have been providing local plumbing, heating, air conditioning, and electric services in the New Hampshire area since our beginnings in 1986. At our heart, Heritage is a family company with a longstanding reputation for providing quality service for a fair price. People tell us that they see our service trucks everywhere in the area, which is true since there’s a good chance that one of our technicians is also your neighbor. This makes it easy for us to be at your home promptly to help you solve your household plumbing, heating, AC, and electrical problems. It also makes it easy for us to do all that we can to maintain our reputation for quality service. One way we continue to improve the quality of our work is through regular training and certification for our great attendants who are behind the scenes making the magic happen. So whether you are struggling with a clogged drain or a noisy furnace, or you need an installation of an appliance, you’ll see the results of our devotion in the service you receive. If you’re experiencing a problem with your plumbing, heating, AC, or electricity at home, then you should give us a call and see what we mean by quality service that’s guaranteed. From clogged drains to AC installation to electrician’s work, we offer a variety of quality services and products at fair prices to NH residents and northern MA residents—guaranteed!

"Excellent experience, technician arrived on time. Friendly, efficient, kept me up to date on the plan. Leak was diagnosed and toilet replaced in no time!"

Elizabeth S on July 2025

We’re Your Local Plumbers, Heating and AC Technicians, and Electricians. Get prompt and professional plumbing, heating, air conditioning, and electrical services. Our quality staff of licensed and local plumbers and electricians have been providing local plumbing, heating, air conditioning, and electric services in the New Hampshire area since our beginnings in 1986. At our heart, Heritage is a family company with a longstanding reputation for providing quality service for a fair price. People tell us that they see our service trucks everywhere in the area, which is true since there’s a good chance that one of our technicians is also your neighbor. This makes it easy for us to be at your home promptly to help you solve your household plumbing, heating, AC, and electrical problems. It also makes it easy for us to do all that we can to maintain our reputation for quality service. One way we continue to improve the quality of our work is through regular training and certification for our great attendants who are behind the scenes making the magic happen. So whether you are struggling with a clogged drain or a noisy furnace, or you need an installation of an appliance, you’ll see the results of our devotion in the service you receive. If you’re experiencing a problem with your plumbing, heating, AC, or electricity at home, then you should give us a call and see what we mean by quality service that’s guaranteed. From clogged drains to AC installation to electrician’s work, we offer a variety of quality services and products at fair prices to NH residents and northern MA residents—guaranteed!

"Excellent experience, technician arrived on time. Friendly, efficient, kept me up to date on the plan. Leak was diagnosed and toilet replaced in no time!"

Elizabeth S on July 2025


Avatar for Generator Supercenter of New Hampshire

Generator Supercenter of New Hampshire

28 Portsmouth Ave
5.00(
10
)
Approved Pro

Generator Supercenter of New Hampshire

28 Portsmouth Ave
5.00(
10
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
29 local quotes requested

At Generator Supercenter, we are committed to securing your home and peace of mind with back up power solutions. When bad weather hits or an electrical circuit malfunctions, a power outage is likely. When that happens, you can recover quickly if you own a reliable home backup generator. Once your generator is installed, you’ll need reliable technicians available 24/7 and capable of providing quick services. Generator Supercenter of New Hampshire provides experienced technicians for generator installation, repair, and maintenance. Benefits of working with our team: Full-service – Whether you need a new generator, or your current one is malfunctioning, we won’t leave until your generator is up and running as it should be. Convenience – If something goes wrong with your generator, you don’t have to worry about going out to buy a new one or to replace parts. We will come to your home or business and take care of it for you. Free on-site estimate – When you call us, you’re not committed to a service—our estimates are free, so you can meet with a member of our team to learn about your options with no strings attached! Unfortunately we do not do anything with portable generators or any brands not manufactured by Generac. We are also not a parts distributor.

"Matt Sanford and the team at Generator Supercenter were professional, knowledgeable and efficient when surveying my property. They spent quality time educating me on their generator product line and monitoring services. If you're looking for a superior product, company, and team to support you throughout our long New England winters, look no further!"

Chad F on March 2022

At Generator Supercenter, we are committed to securing your home and peace of mind with back up power solutions. When bad weather hits or an electrical circuit malfunctions, a power outage is likely. When that happens, you can recover quickly if you own a reliable home backup generator. Once your generator is installed, you’ll need reliable technicians available 24/7 and capable of providing quick services. Generator Supercenter of New Hampshire provides experienced technicians for generator installation, repair, and maintenance. Benefits of working with our team: Full-service – Whether you need a new generator, or your current one is malfunctioning, we won’t leave until your generator is up and running as it should be. Convenience – If something goes wrong with your generator, you don’t have to worry about going out to buy a new one or to replace parts. We will come to your home or business and take care of it for you. Free on-site estimate – When you call us, you’re not committed to a service—our estimates are free, so you can meet with a member of our team to learn about your options with no strings attached! Unfortunately we do not do anything with portable generators or any brands not manufactured by Generac. We are also not a parts distributor.

"Matt Sanford and the team at Generator Supercenter were professional, knowledgeable and efficient when surveying my property. They spent quality time educating me on their generator product line and monitoring services. If you're looking for a superior product, company, and team to support you throughout our long New England winters, look no further!"

Chad F on March 2022


Avatar for Wilson Brothers Heating & Air Conditioning Inc

Wilson Brothers Heating & Air Conditioning Inc

35 Lomar Park Dr
4.56(
156
)
Approved Pro

Wilson Brothers Heating & Air Conditioning Inc

35 Lomar Park Dr
4.56(
156
)
Approved Pro
Customers say: Super punctual
51 local quotes requested
38 years of experience

Family owned and operated since 1987, Wilson Brothers HVAC, Inc. has been a leader in the installation and repair of complete, custom-designed, heating and cooling systems for homeowners in Massachusetts and New Hampshire. Hot air, radiant, and hydro-air heating systems fired by either gas or oil, along with complete central air or ductless cooling systems. Trust your home comfort to Wilson Brothers, Your All-Season Comfort Specialists. We also service additional areas through our sister companies, Accurate Baker Elman and Murphy's.

"Very knowledgeable and professional"

Stephen S on September 2024

Family owned and operated since 1987, Wilson Brothers HVAC, Inc. has been a leader in the installation and repair of complete, custom-designed, heating and cooling systems for homeowners in Massachusetts and New Hampshire. Hot air, radiant, and hydro-air heating systems fired by either gas or oil, along with complete central air or ductless cooling systems. Trust your home comfort to Wilson Brothers, Your All-Season Comfort Specialists. We also service additional areas through our sister companies, Accurate Baker Elman and Murphy's.

"Very knowledgeable and professional"

Stephen S on September 2024


Nicholas S Stadelmann

62B Thayer Road
New on AngiNew on Angi
Approved Pro

Nicholas S Stadelmann

62B Thayer Road
New on AngiNew on Angi
Approved Pro
2 years of experience
Free onsite estimate

Nicholas S Stadelmann 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. We look forward to working with you!

Nicholas S Stadelmann 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. We look forward to working with you!


"They did really great. We enjoyed working with them."

Maggie S on September 2025

At Copper and Oak LLC our priorities are customer service and quality work. We pride ourselves on building lasting relationships with our clients. Call us for an estimate. We look forward to working with you!

"They did really great. We enjoyed working with them."

Maggie S on September 2025


Avatar for Evan Jones- Master Electrician, LLC

Evan Jones- Master Electrician, LLC

4 Harrington Drive
4.38(
17
)
Approved Pro

Evan Jones- Master Electrician, LLC

4 Harrington Drive
4.38(
17
)
Approved Pro
Customers say: Quick response
21 years of experience
Free onsite estimate

Evan Jones is a locally owned and operated company that values honesty and integrity in all aspects of our business. A expert for the last 15 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"This company wasted several weeks of our time without providing a sufficient apology or explanation. They initially scheduled service while asking in a voicemail if I wanted to base the estimate on the detailed specs in my email or if I preferred to have the owner walk through. I followed up within 2 business days to confirm the date at the end of July and mentioned either option would be okay with me, but I wanted to confirm whether my specification was sufficient with the owner as I felt there were some non standard parts involved. I patiently waited and followed up from time to time. This is the full timeline: June 30 at 4:18 p.m.: I called. The owner (Evan) picked up and mentioned the company was finishing up for the day and just taking emergency calls then, while adding that his secretary would follow up with me the following week. I mentioned that I sent an email the same day with a full breakdown of the work. July 6, 1:48 p.m.: The secretary left a voicemail to confirm a July 26 appointment with an arrival time of 8:15 a.m. and sent an email to confirm the scheduled date and time. In the voice mail, I was asked to follow up to see if I wanted an in-person estimate or if an estimate based on my email specs was sufficient. July 10, 11:41 a.m. I called to follow up, but received an automated message indicating the number has calling restrictions that prevented completion of my call. I followed up via email (below). July 11, 2:47 p.m.: I sent a text message to a 978 area code number, which seemed to be the number that the main number forwards to, to confirm receipt of my email while mentioning the automated message issue. July 12, 10:22 a.m. I called to follow up as I did not receive a response to the email. I wanted to make sure they knew I confirmed the date and time, and I wanted to discuss the estimate options. I immediately received a text message back from the 978 area code operated by the secretary, adding that she was on another call. I did not receive a call back that day. July 14, 9:23 p.m. I followed up via text message, asking when would be a good moment to catch up regarding the upcoming work. I received a call back from the secretary at 9:30 a.m. I summarized my July 6 email. The secretary indicated she would get back to me that day after discussing the project with Evan. I did not hear back. ** July 18, 9:54 p.m.: followed up again over email for when the team arrived the following day while providing the above breakdown so they understood my frustration from a customer perspective. July 19, 7:55 p.m.: I received an email from the owner indicating he cancelled the appointment while being sorry that our communication has not met your expectations, which I felt was interesting as the lack of communication would be frustrating to any customer, and his response incorrectly suggested that it was just my expectations at issue. Frankly, when a company commits to a job, they should always follow up. I emailed the owner back right after and asked for clarification, but I never received one. I should note that this electrician has worked for me before. I was overall happy with the service, with some caveats. On a job at my new residence, they installed new outlets as some existing outlets installed by someone else prior had safety concerns. During the install, I noticed that some new outlets were not as eye-level as they were before (this was not an issue with the available leeway around the outlet, as there was some). I asked one of his installers nicely if some could be moved a bit to be eye level, and the owner (Evan) overheard this and announced that this was a safety visit and not a cosmetic one. This did not make sense to me."

Curtis C on July 2023

Evan Jones is a locally owned and operated company that values honesty and integrity in all aspects of our business. A expert for the last 15 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"This company wasted several weeks of our time without providing a sufficient apology or explanation. They initially scheduled service while asking in a voicemail if I wanted to base the estimate on the detailed specs in my email or if I preferred to have the owner walk through. I followed up within 2 business days to confirm the date at the end of July and mentioned either option would be okay with me, but I wanted to confirm whether my specification was sufficient with the owner as I felt there were some non standard parts involved. I patiently waited and followed up from time to time. This is the full timeline: June 30 at 4:18 p.m.: I called. The owner (Evan) picked up and mentioned the company was finishing up for the day and just taking emergency calls then, while adding that his secretary would follow up with me the following week. I mentioned that I sent an email the same day with a full breakdown of the work. July 6, 1:48 p.m.: The secretary left a voicemail to confirm a July 26 appointment with an arrival time of 8:15 a.m. and sent an email to confirm the scheduled date and time. In the voice mail, I was asked to follow up to see if I wanted an in-person estimate or if an estimate based on my email specs was sufficient. July 10, 11:41 a.m. I called to follow up, but received an automated message indicating the number has calling restrictions that prevented completion of my call. I followed up via email (below). July 11, 2:47 p.m.: I sent a text message to a 978 area code number, which seemed to be the number that the main number forwards to, to confirm receipt of my email while mentioning the automated message issue. July 12, 10:22 a.m. I called to follow up as I did not receive a response to the email. I wanted to make sure they knew I confirmed the date and time, and I wanted to discuss the estimate options. I immediately received a text message back from the 978 area code operated by the secretary, adding that she was on another call. I did not receive a call back that day. July 14, 9:23 p.m. I followed up via text message, asking when would be a good moment to catch up regarding the upcoming work. I received a call back from the secretary at 9:30 a.m. I summarized my July 6 email. The secretary indicated she would get back to me that day after discussing the project with Evan. I did not hear back. ** July 18, 9:54 p.m.: followed up again over email for when the team arrived the following day while providing the above breakdown so they understood my frustration from a customer perspective. July 19, 7:55 p.m.: I received an email from the owner indicating he cancelled the appointment while being sorry that our communication has not met your expectations, which I felt was interesting as the lack of communication would be frustrating to any customer, and his response incorrectly suggested that it was just my expectations at issue. Frankly, when a company commits to a job, they should always follow up. I emailed the owner back right after and asked for clarification, but I never received one. I should note that this electrician has worked for me before. I was overall happy with the service, with some caveats. On a job at my new residence, they installed new outlets as some existing outlets installed by someone else prior had safety concerns. During the install, I noticed that some new outlets were not as eye-level as they were before (this was not an issue with the available leeway around the outlet, as there was some). I asked one of his installers nicely if some could be moved a bit to be eye level, and the owner (Evan) overheard this and announced that this was a safety visit and not a cosmetic one. This did not make sense to me."

Curtis C on July 2023


Avatar for Granite State Solar

Granite State Solar

57 RYAN RD
5.00(
1
)
Approved Pro

Granite State Solar

57 RYAN RD
5.00(
1
)
Approved Pro
44 local quotes requested
25 years of experience

Granite State Solar has served the energy needs of Granite Staters for over 17 years. We specialize in generator installs and solar panel installs as well as a wide range of electrical projects that include electrical vehicle charging stations and panel upgrades. We take pride in our quality of work and our commitment to outstanding results. We are committed to providing a personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction with our industry-leading warranty on generators.

Granite State Solar has served the energy needs of Granite Staters for over 17 years. We specialize in generator installs and solar panel installs as well as a wide range of electrical projects that include electrical vehicle charging stations and panel upgrades. We take pride in our quality of work and our commitment to outstanding results. We are committed to providing a personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction with our industry-leading warranty on generators.



Avatar for Generator Supercenter of New Hampshire

Generator Supercenter of New Hampshire

28 Portsmouth Ave
4.93(
30
)
Approved Pro

Generator Supercenter of New Hampshire

28 Portsmouth Ave
4.93(
30
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
85 local quotes requested

Generator Supercenter of New Hampshire is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. As a father and son-owned business, we’re committed to the best service. When you call us, our estimates are free, so you can meet with a member of our team to learn about your options with no strings attached!

"I want to thank the staff at the Stratham NH location. As a new customer, we got off to a bad start with a scheduling misunderstanding. After my earlier review, I want to acknowledge that they reached out to me to turn a negative experience into a positive one. It's nice to know that this company cares about their customers. I am very happy with the service they performed on my recent Generac generator. The customer service department and the technician were very professional and courteous. I would recommend this company for your generator needs."

Roger C on August 2024

Generator Supercenter of New Hampshire is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. As a father and son-owned business, we’re committed to the best service. When you call us, our estimates are free, so you can meet with a member of our team to learn about your options with no strings attached!

"I want to thank the staff at the Stratham NH location. As a new customer, we got off to a bad start with a scheduling misunderstanding. After my earlier review, I want to acknowledge that they reached out to me to turn a negative experience into a positive one. It's nice to know that this company cares about their customers. I am very happy with the service they performed on my recent Generac generator. The customer service department and the technician were very professional and courteous. I would recommend this company for your generator needs."

Roger C on August 2024

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Generator Install questions, answered by experts

You may need a permit for a portable generator if you’ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.

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.

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.

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.

While the rating will tell you how many watts the refrigerator needs at the peak of its cycle, it requires additional wattage to start. At the bare minimum, you’ll need a 1,500-watt generator to get the fridge up and running after a blackout. A 2,000-watt generator should be sufficient for most home refrigerators.

The Brookline, NH 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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