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TRUSTED BY NORTH CHELMSFORD, MA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon14
    Verified solar panel services reviews

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"Eric was very precise in his work. We had some speed bumps that occurred due to the full gut of the bathroom. He dealt with problems effectively and kept us informed as to what he needed to do and why. Eric was great to work with and the end product was perfect. We would recommend Hot & Cold Plumming!"

80 Mill St G on October 2025

SUPER SERVICE AWARD 2023, 2022, 2021, 2020, 2019,2018,2017,2016, 2015, 2014 AND 2013 PLUMBING. Hot & Cold Plumbing & Heating LLC is a full service plumbing, heating and gas-fitting company. For an immediate response to all your plumbing and heating needs, CALL (978) 701-1617.

"Eric was very precise in his work. We had some speed bumps that occurred due to the full gut of the bathroom. He dealt with problems effectively and kept us informed as to what he needed to do and why. Eric was great to work with and the end product was perfect. We would recommend Hot & Cold Plumming!"

80 Mill St G on October 2025


Avatar for ReVision Energy

ReVision Energy

4.91(
130
)
Approved Pro

ReVision Energy

4.91(
130
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
2009 years of experience

A ReVision Energy Company. Since 2009, Sunbug has provided best-in-class renewable energy solutions to a wide range of residential, commercial, and nonprofit customers, as well as expertise in solar for new construction and EPC services. Our helpful, responsive team brings deep expertise, experience, and a customer-first approach to every project. Each of us embraces a method and a mindset that’s equal parts craftsmanship, collaboration, and accountability. As a values-driven B-Corp with employee-owners, and a longtime member of the Amicus Solar Cooperative, we believe in doing the right thing, the right way, every day. Our relationships with clients, partners, and one another are guided by honesty, respect, and integrity, and we are known for standing by our work and by our word.

"They know their stuff! Derek was knowledgable and professional designing the system, and Thien, Ken, Mishael, and Anthony got the work done sharply while Rachel kept on top of coordinating everything. They dealt with our questions responsively and even came back when something didn't look quite right. Definitely a higher cost than we might have gotten elsewhere, but hopefully that was worth it!"

Matt G on October 2023

A ReVision Energy Company. Since 2009, Sunbug has provided best-in-class renewable energy solutions to a wide range of residential, commercial, and nonprofit customers, as well as expertise in solar for new construction and EPC services. Our helpful, responsive team brings deep expertise, experience, and a customer-first approach to every project. Each of us embraces a method and a mindset that’s equal parts craftsmanship, collaboration, and accountability. As a values-driven B-Corp with employee-owners, and a longtime member of the Amicus Solar Cooperative, we believe in doing the right thing, the right way, every day. Our relationships with clients, partners, and one another are guided by honesty, respect, and integrity, and we are known for standing by our work and by our word.

"They know their stuff! Derek was knowledgable and professional designing the system, and Thien, Ken, Mishael, and Anthony got the work done sharply while Rachel kept on top of coordinating everything. They dealt with our questions responsively and even came back when something didn't look quite right. Definitely a higher cost than we might have gotten elsewhere, but hopefully that was worth it!"

Matt G on October 2023


Avatar for Walley’s Heating & Air Conditioning

Walley’s Heating & Air Conditioning

4.88(
96
)
Approved Pro

Walley’s Heating & Air Conditioning

4.88(
96
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
2010 years of experience

Walley’s is not your average HVAC contractor. From our in-house sales and support center to our modern fleet of licensed technicians, our team has the tools, trucks, and training to handle all of your mechanical needs. But more than that, we are committed to giving back and playing a bigger role in our community. Through our work with local charities, educational providers, and our continued efforts towards promoting energy-efficient products, ethical business practices, and enforcing the highest industry standards, Walley’s is delivering real value to the community every day! Our entire team is grateful for the opportunity to show you what we are made of. Thank you for your consideration.

"Badly. 2 different techs came out. We paid for a Premium service and within hours of that tech coming out, our burner stopped working completely. Mind you there is a snowstorm. They sent out a new technician and he saw nothing wrong with the system at all. He said we had no oil. He said there was no footprints even going to my intake on the side of my house. It had snowed 2 times since oil was delivered, so that makes no sense. The tech was absolutely sure we had no oil. 3 days since the first visit now and we had oil delivered and the tank filled completely. Only 150 gallons went into my 250 gallon tank. So that's wrong. And I look at the front of my furnace and now see a slow drip from the front underneath the box on the front of the furnace. First tech recommended i replace the electrodes but said it didnt need it. Second tech didnt even mention that and said our system was good. Now, I will have to contact Angi for support and my insurance company. TERRIBLE TERRIBLE TERRIBLE"

Paul C on February 2025

Walley’s is not your average HVAC contractor. From our in-house sales and support center to our modern fleet of licensed technicians, our team has the tools, trucks, and training to handle all of your mechanical needs. But more than that, we are committed to giving back and playing a bigger role in our community. Through our work with local charities, educational providers, and our continued efforts towards promoting energy-efficient products, ethical business practices, and enforcing the highest industry standards, Walley’s is delivering real value to the community every day! Our entire team is grateful for the opportunity to show you what we are made of. Thank you for your consideration.

"Badly. 2 different techs came out. We paid for a Premium service and within hours of that tech coming out, our burner stopped working completely. Mind you there is a snowstorm. They sent out a new technician and he saw nothing wrong with the system at all. He said we had no oil. He said there was no footprints even going to my intake on the side of my house. It had snowed 2 times since oil was delivered, so that makes no sense. The tech was absolutely sure we had no oil. 3 days since the first visit now and we had oil delivered and the tank filled completely. Only 150 gallons went into my 250 gallon tank. So that's wrong. And I look at the front of my furnace and now see a slow drip from the front underneath the box on the front of the furnace. First tech recommended i replace the electrodes but said it didnt need it. Second tech didnt even mention that and said our system was good. Now, I will have to contact Angi for support and my insurance company. TERRIBLE TERRIBLE TERRIBLE"

Paul C on February 2025


Avatar for Sila Heating, Cooling, Plumbing and Electrical

Sila Heating, Cooling, Plumbing and Electrical

4.54(
5,210
)
Approved Pro

Sila Heating, Cooling, Plumbing and Electrical

4.54(
5,210
)
Approved Pro
Customers say: Super punctual
1989 years of experience
Free onsite estimate

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"Great, as always. Sila is outstanding. We have a service contract with them for our furnace and AC and they keep them in tip-top shape. And when we have an urgent or emergency situation (heating, cooling, plumbing, electrical), they're who we call."

Jonathan P on November 2025

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"Great, as always. Sila is outstanding. We have a service contract with them for our furnace and AC and they keep them in tip-top shape. And when we have an urgent or emergency situation (heating, cooling, plumbing, electrical), they're who we call."

Jonathan P on November 2025


Avatar for Green Sun Energy LLC

Green Sun Energy LLC

4.89(
9
)
Approved Pro

Green Sun Energy LLC

4.89(
9
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2022 years of experience

We are a solar company operating in New Hampshire, Massachusetts, Vermont, and Maine. We are company that formed in 2022, but have been in the solar industry installing and servicing systems since 2008. We are here to fill the need in servicing solar systems that no longer have solar servicing providers along with providing new customers with new installs. We are a solar company you can trust with an unmatched knowledge in newer and older solar systems. We operate in residential and commercial.

"Green Sun Energy did a fantastic job cleaning my solar panels. They were prompt, courteous, and professional. I highly recommend them!"

Bruce H on July 2025

We are a solar company operating in New Hampshire, Massachusetts, Vermont, and Maine. We are company that formed in 2022, but have been in the solar industry installing and servicing systems since 2008. We are here to fill the need in servicing solar systems that no longer have solar servicing providers along with providing new customers with new installs. We are a solar company you can trust with an unmatched knowledge in newer and older solar systems. We operate in residential and commercial.

"Green Sun Energy did a fantastic job cleaning my solar panels. They were prompt, courteous, and professional. I highly recommend them!"

Bruce H on July 2025


Avatar for Heritage Home Service

Heritage Home Service

4.38(
13
)
Approved Pro

Heritage Home Service

4.38(
13
)
Approved Pro
Customers say: Quick response
1986 years of experience

Heritage Home Service is proud to serve residents from Northeast 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.

"Highly recommend! Josh came gave us an estimate for our hot water tank replacement with financings and everything went through and the next day Sal came out, great worker knowledgeable explained everything step by step. Friendly and a dog lover! Just great work and respectful good hard workers!"

Darline F on May 2024

Heritage Home Service is proud to serve residents from Northeast 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.

"Highly recommend! Josh came gave us an estimate for our hot water tank replacement with financings and everything went through and the next day Sal came out, great worker knowledgeable explained everything step by step. Friendly and a dog lover! Just great work and respectful good hard workers!"

Darline F on May 2024


Avatar for Modern Energy

Modern Energy

5.00(
3
)
Approved Pro

Modern Energy

5.00(
3
)
Approved Pro
Customers say: Quick response
2017 years of experience
Free onsite estimate

Modern Energy is a top rated Mass Save contractor that specializes in Whole Home Heat Pump installation for both residential and commercial customers. With deep roots in the energy efficiency world, we always make sure to install the most efficient, cost-effective products on the market. Plus - we have in house staff to help our customers handle the rebate and financing process!

"The guys at Modern Energy did an excellent job, Ryan was VERY responsive and got me the best deal possible. These past two summers showed how beneficial this type of system mini-splits are. Highly recommend!"

Michael T on September 2025

Modern Energy is a top rated Mass Save contractor that specializes in Whole Home Heat Pump installation for both residential and commercial customers. With deep roots in the energy efficiency world, we always make sure to install the most efficient, cost-effective products on the market. Plus - we have in house staff to help our customers handle the rebate and financing process!

"The guys at Modern Energy did an excellent job, Ryan was VERY responsive and got me the best deal possible. These past two summers showed how beneficial this type of system mini-splits are. Highly recommend!"

Michael T on September 2025


"Time-saving use of customer-made video to assist with quote process and reduce number of home visits. Timely responses to queries. Arrived on time and were able to get inspection performed same day which removed need for additional home visit. Good quality work at good price and respected customer's time."

Francois C on August 2022

Focus Electrical proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!

"Time-saving use of customer-made video to assist with quote process and reduce number of home visits. Timely responses to queries. Arrived on time and were able to get inspection performed same day which removed need for additional home visit. Good quality work at good price and respected customer's time."

Francois C on August 2022


Avatar for Super Service Today Inc

Super Service Today Inc

3.55(
40
)
Approved Pro

Super Service Today Inc

3.55(
40
)
Approved Pro
Customers say: Super punctual
2010 years of experience
Emergency services offered

Super Service Today is a full service plumbing and drain cleaning company. Our team is experienced and fully equipped to solve your problem. We are your regular plumber's drain cleaning professional. Your home or business will be treated as if it were our own! Customer service is our number one priority and you will see first hand when you call! We take the time to really listen and understand your goals and needs to make sure you are fully satisfied with the service you receive. Our service experts are trained to offer long term solutions that will best work for you and your family. We are a family owned and locally operated company serving Middlesex County, Essex County, Suffolk County and surrounding communities. Super Service Today, Inc. specializes in all aspects of plumbing, gas work, residential heating, drain cleaning, sewer repairs and main water service relays. We are available to assist you with all of your plumbing requirements from faucet installs to sewer replacements. We are solution experts that you only need to call once. Give us a call today to see how we can help you with all of your plumbing needs. We do not service Window AC units.

"No they are rip off They pray on the elderly saying things are ticking time bonb!"

Mike T on September 2025

Super Service Today is a full service plumbing and drain cleaning company. Our team is experienced and fully equipped to solve your problem. We are your regular plumber's drain cleaning professional. Your home or business will be treated as if it were our own! Customer service is our number one priority and you will see first hand when you call! We take the time to really listen and understand your goals and needs to make sure you are fully satisfied with the service you receive. Our service experts are trained to offer long term solutions that will best work for you and your family. We are a family owned and locally operated company serving Middlesex County, Essex County, Suffolk County and surrounding communities. Super Service Today, Inc. specializes in all aspects of plumbing, gas work, residential heating, drain cleaning, sewer repairs and main water service relays. We are available to assist you with all of your plumbing requirements from faucet installs to sewer replacements. We are solution experts that you only need to call once. Give us a call today to see how we can help you with all of your plumbing needs. We do not service Window AC units.

"No they are rip off They pray on the elderly saying things are ticking time bonb!"

Mike T on September 2025


Avatar for Atlas Energies LLC

Atlas Energies LLC

5.00(
2
)
Approved Pro

Atlas Energies LLC

5.00(
2
)
Approved Pro
Customers say: Quick response
2018 years of experience
Free onsite estimate

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!

"Paul has always done excellent quality work for me. Really happy with his work and professionalism. Highly recommended"

Steve P on December 2024

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!

"Paul has always done excellent quality work for me. Really happy with his work and professionalism. Highly recommended"

Steve P on December 2024

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Solar Panels questions, answered by experts

Solar water heating systems are not one-size-fits-all. You'll likely work with a team of experts to get the job done—including solar panel installers, plumbers, and water heater installers. A specialist will help you decide if a passive or active system is best for your local weather, home layout, roof stability, and your budget.

In most cases, installing solar panels will not void your roof warranty. To keep roof warranties intact, check your written warranty or call the manufacturer to ask about clauses regarding roof penetrations. You can also protect yourself by getting written approval or a modified warranty that specifically allows the solar installation type you’re planning. Then, hire a professional solar installer that follows roofing manufacturer instructions and protects the roof during installation.

You can install solar panels on a metal roof, but it will require some additional thought and care versus a traditional asphalt shingle roof. That’s because heat dissipates off a metal roof differently than asphalt or wood, so you may need to space the panels further from the roof. However, a pro can help you with the details and provide a safe and effective installation.

While you can minimally overshoot the number of solar panels you need for your home, it's not smart to go too far. Not only is the extra cost unnecessary, but your state may put caps on how much energy your home can produce and send back to the grid. It is always best to work with a solar energy professional to determine the best system size for you.

While you can install solar panels by yourself, it can be a complicated process full of lots of manual labor, risky roof work, and knowledge of electrical wiring. Most solar panel installation projects should be reserved for a trained professional—especially if you plan on connecting your panels to the electrical grid rather than for off-grid use, which doesn’t require utility services.

The North Chelmsford, MA homeowners’ guide to solar panel services

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