Top-rated generator install pros.

Get matched with top generator install pros in Valley Stream, NY

There are 7 highly-rated local generator install pros.

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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon20
    Verified generator installs reviews

Find Generator install pros in Valley Stream

Avatar for GenReady, Inc.

GenReady, Inc.

128 Pulaski Rd
4.65(
17
)
Approved Pro

GenReady, Inc.

128 Pulaski Rd
4.65(
17
)
Approved Pro
Customers say: Quality work
33 local quotes requested
46 years of experience

Gen Ready, Inc., was established in 1979 to service the surrounding area and provide residents with all their standby electric power solutions. Our staff of knowledgeable and dedicated professionals take pride in providing outstanding, personalized service to our customers and our community. All of our techs are factory trained and certified for warranty repair and maintenance. Call us today and become one of our many satisfied customers. You can visit us online at www.getgenready.com

"After getting several quotes, last year we hired GenReady to install a house generator. Ed, the owner of the company impressed us from the start. He was knowledgeable and patiently explained the process as well as answering our questions. We knew right away that GenReady was the company for us. Lindsay kept us up to date as we moved along in the process. Our generator was installed last July. Andrew and his team installed the generator with expertise and efficiency. They took care to leave our house and yard spotless. Lindsay and Andrew were always happy to answer my questions and address me concerns. We’ve needed the generator only once (thank goodness) when our power went out due to a necessary power line repair after a car crashed into a utility pole on our street. When the power went out, our generator turned on within seconds. Our house was up and running for the four hours the line repair took, and if it weren’t for the blink of lights, we never would have known our generator was running. Every other week, our generator self tests for a few minutes giving us peace mind that it will be here for us if and when we need it. Just like the generator, GenReady is a company that runs efficiently and seamlessly. Just today, Lindsay called to tell me someone would be coming tomorrow to change the oil which reminded me that I am long overdue in submitting this well deserved rave review. Thank you to the entire GenReady team (and to Great White Propane) for all you’ve done to help us know we can weather any power outage."

Nancy A on July 2020

Gen Ready, Inc., was established in 1979 to service the surrounding area and provide residents with all their standby electric power solutions. Our staff of knowledgeable and dedicated professionals take pride in providing outstanding, personalized service to our customers and our community. All of our techs are factory trained and certified for warranty repair and maintenance. Call us today and become one of our many satisfied customers. You can visit us online at www.getgenready.com

"After getting several quotes, last year we hired GenReady to install a house generator. Ed, the owner of the company impressed us from the start. He was knowledgeable and patiently explained the process as well as answering our questions. We knew right away that GenReady was the company for us. Lindsay kept us up to date as we moved along in the process. Our generator was installed last July. Andrew and his team installed the generator with expertise and efficiency. They took care to leave our house and yard spotless. Lindsay and Andrew were always happy to answer my questions and address me concerns. We’ve needed the generator only once (thank goodness) when our power went out due to a necessary power line repair after a car crashed into a utility pole on our street. When the power went out, our generator turned on within seconds. Our house was up and running for the four hours the line repair took, and if it weren’t for the blink of lights, we never would have known our generator was running. Every other week, our generator self tests for a few minutes giving us peace mind that it will be here for us if and when we need it. Just like the generator, GenReady is a company that runs efficiently and seamlessly. Just today, Lindsay called to tell me someone would be coming tomorrow to change the oil which reminded me that I am long overdue in submitting this well deserved rave review. Thank you to the entire GenReady team (and to Great White Propane) for all you’ve done to help us know we can weather any power outage."

Nancy A on July 2020


Avatar for BQ Electric Inc

BQ Electric Inc

21 Holman Boulevard
4.90(
392
)
Approved Pro

BQ Electric Inc

21 Holman Boulevard
4.90(
392
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
72 local quotes requested

** '13, '14, '15, '16, '17 & '18 SUPER SERVICE AWARD WINNER **. Named "Service Provider of the Year" by Angie's List, 2013. Welcome to "Long Island's most respected leader in electrical home improvements". Our team takes pride in our 110% customer satisfaction guarantee. We feel the best compliment you can get as a company is a recommendation to a satisfied customer's friend or family member. All our jobs start off with a written estimate and a visit to your home/job to review the details. We understand that your time is very valuable so all our appointments are confirmed the night before and again 15 minutes prior to our arrival. All of our work and material is warranted for 1 year. Give us the opportunity to impress you, and we won't let you down! So, please call us today and set up a free estimate for your next project.

"Was not a big job, but the work was done efficiently and staff was knowledgeable and responded to all questions. I would definitely call them in future."

Edward C on February 2023

** '13, '14, '15, '16, '17 & '18 SUPER SERVICE AWARD WINNER **. Named "Service Provider of the Year" by Angie's List, 2013. Welcome to "Long Island's most respected leader in electrical home improvements". Our team takes pride in our 110% customer satisfaction guarantee. We feel the best compliment you can get as a company is a recommendation to a satisfied customer's friend or family member. All our jobs start off with a written estimate and a visit to your home/job to review the details. We understand that your time is very valuable so all our appointments are confirmed the night before and again 15 minutes prior to our arrival. All of our work and material is warranted for 1 year. Give us the opportunity to impress you, and we won't let you down! So, please call us today and set up a free estimate for your next project.

"Was not a big job, but the work was done efficiently and staff was knowledgeable and responded to all questions. I would definitely call them in future."

Edward C on February 2023


Avatar for Newgrange Electric Inc.

Newgrange Electric Inc.

111F Roosevelt Ave
4.64(
69
)
Approved Pro

Newgrange Electric Inc.

111F Roosevelt Ave
4.64(
69
)
Approved Pro
Customers say: Super punctual
43 local quotes requested
17 years of experience

Owned & operated by Edward Byrne. Centrally located in NYC, we serve all of Long Island, the five boroughs (NYC, Brooklyn, Queens, Bronx and Staten Island) and Westchester. We offer 24-hour emergency service, free estimates, quick response times, reasonable rates on service calls and competitive pricing on larger jobs.

"They did a great job for me."

Michael D on December 2021

Owned & operated by Edward Byrne. Centrally located in NYC, we serve all of Long Island, the five boroughs (NYC, Brooklyn, Queens, Bronx and Staten Island) and Westchester. We offer 24-hour emergency service, free estimates, quick response times, reasonable rates on service calls and competitive pricing on larger jobs.

"They did a great job for me."

Michael D on December 2021


Avatar for Crossland Management & Electric Inc

Crossland Management & Electric Inc

18-71 42nd St
4.80(
15
)
Approved Pro

Crossland Management & Electric Inc

18-71 42nd St
4.80(
15
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
130 local quotes requested

Crossland Management & Electric, Inc. is your go-to electrical contractor for your home renovations or home remodeling. Our teams are trained and skilled for all your electrical and low-voltage needs. Don't hesitate to ask us a question or inquire as to why a certain process has to take place. Everyone on staff is friendly and knowledgeable because we know what it's like to be in your shoes. We want you to know just how special you and your project are to us, so we do our very best to ensure that you and your needs always come first. We even have a complimentary estimate where we'll come out to you!

"Initially, he responded within the hour when I posted my request then he came to the house. From there on, in terms of your appointments, there was a back and forth. I was very determined to encourage him. But he had me waited for an hour and it was disrespectful for me. I thanked him when the appointment is kept being cancelled to contact the electric company. He wanted me to do it, he finally did it and then they rescheduled. But now, from this point on where is additional work, that their company wishes the company is requiring. I cannot get the information, the specific information as to what is needed.. And this is now going on over two weeks, everything is a standstill. He is not responding and writing in a text. My interest is just to get the job completed."

Debbie D on September 2023

Crossland Management & Electric, Inc. is your go-to electrical contractor for your home renovations or home remodeling. Our teams are trained and skilled for all your electrical and low-voltage needs. Don't hesitate to ask us a question or inquire as to why a certain process has to take place. Everyone on staff is friendly and knowledgeable because we know what it's like to be in your shoes. We want you to know just how special you and your project are to us, so we do our very best to ensure that you and your needs always come first. We even have a complimentary estimate where we'll come out to you!

"Initially, he responded within the hour when I posted my request then he came to the house. From there on, in terms of your appointments, there was a back and forth. I was very determined to encourage him. But he had me waited for an hour and it was disrespectful for me. I thanked him when the appointment is kept being cancelled to contact the electric company. He wanted me to do it, he finally did it and then they rescheduled. But now, from this point on where is additional work, that their company wishes the company is requiring. I cannot get the information, the specific information as to what is needed.. And this is now going on over two weeks, everything is a standstill. He is not responding and writing in a text. My interest is just to get the job completed."

Debbie D on September 2023


Avatar for Laurelton Electric

Laurelton Electric

24610 Francis Lewis Blvd
3.65(
17
)
Approved Pro

Laurelton Electric

24610 Francis Lewis Blvd
3.65(
17
)
Approved Pro
Customers say: Quick response
170 local quotes requested
90 years of experience

"Let Our Family Work for Yours” At Laurelton Electric we specialize in electrical repairs and generator services for residential, industrial and retail customers 24 hours per day 7 days per week. Our dispatch offices service Manhatten, Brooklyn, The Bronx, Queens, Nassau ,Westchester and beyond” since 1935. We are 3rd Generation family owned and operated, Licensed, Bonded, and Insured, and offer FREE estimates. Our work is 100% guaranteed and maintenance contracts are also available.

"Laurelton was excellent. I had some dead outlets and the technician was able to quickly determine the cause and fix it within half an hour."

Cynthia C on December 2024

"Let Our Family Work for Yours” At Laurelton Electric we specialize in electrical repairs and generator services for residential, industrial and retail customers 24 hours per day 7 days per week. Our dispatch offices service Manhatten, Brooklyn, The Bronx, Queens, Nassau ,Westchester and beyond” since 1935. We are 3rd Generation family owned and operated, Licensed, Bonded, and Insured, and offer FREE estimates. Our work is 100% guaranteed and maintenance contracts are also available.

"Laurelton was excellent. I had some dead outlets and the technician was able to quickly determine the cause and fix it within half an hour."

Cynthia C on December 2024


Avatar for Universe Home Services

Universe Home Services

3782 Merrick Rd
4.53(
444
)
Approved Pro

Universe Home Services

3782 Merrick Rd
4.53(
444
)
Approved Pro
Customers say: Super punctual
506 local quotes requested
71 years of experience

Since 1954, Universe Home Services has been proudly serving the Nassau County community and customers throughout the entire region. With Universe Home Services, one call solves it all! Their highly trained technicians offer everything from heating and air conditioning to plumbing to appliance repair and electrical services on Long Island and beyond. Whether you’re dealing with an inefficient heating system, a noisy air conditioner, clogged toilet, broken dishwasher, or outdated electrical service panel, you can get the fast, affordable service you need with Universe Home Services. They go above and beyond to ensure that you’re completely satisfied with the quality of their work, offering service guarantees and parts and labor guarantees on new HVAC installations. As a family owned and operated company, Universe Home Services believes in top-quality customer service. They always treat you and your property with respect, working quickly, cleanly, and efficiently to minimize your inconvenience and leave your home in pristine condition. With more than 60 years of experience under their belt, and a commitment to unmatched quality, honesty, and expertise, Universe Home Services is the trusted name for heating, air conditioning, electrical, plumbing, and appliance repair on Long Island and beyond! Call today!

"This was the worst experience i have ever had with a company. They came and damaged my house and kept us without AC for days. They admitted to the extensive damage and went weeks before attempting to repair it. The services were never fully completed and they were paid over 90% of the job. I disputed the last 10% and provided overwhelming evidence of their negligence. And after a year their last ditch effort was to send collections letters. Don't walk, RUN from this company. I will provide pics and my my experience to anyone who is planning on using this company. Used to be family owned and was amazing. Second they sold it went downhill fast."

Marshall R on June 2025

Since 1954, Universe Home Services has been proudly serving the Nassau County community and customers throughout the entire region. With Universe Home Services, one call solves it all! Their highly trained technicians offer everything from heating and air conditioning to plumbing to appliance repair and electrical services on Long Island and beyond. Whether you’re dealing with an inefficient heating system, a noisy air conditioner, clogged toilet, broken dishwasher, or outdated electrical service panel, you can get the fast, affordable service you need with Universe Home Services. They go above and beyond to ensure that you’re completely satisfied with the quality of their work, offering service guarantees and parts and labor guarantees on new HVAC installations. As a family owned and operated company, Universe Home Services believes in top-quality customer service. They always treat you and your property with respect, working quickly, cleanly, and efficiently to minimize your inconvenience and leave your home in pristine condition. With more than 60 years of experience under their belt, and a commitment to unmatched quality, honesty, and expertise, Universe Home Services is the trusted name for heating, air conditioning, electrical, plumbing, and appliance repair on Long Island and beyond! Call today!

"This was the worst experience i have ever had with a company. They came and damaged my house and kept us without AC for days. They admitted to the extensive damage and went weeks before attempting to repair it. The services were never fully completed and they were paid over 90% of the job. I disputed the last 10% and provided overwhelming evidence of their negligence. And after a year their last ditch effort was to send collections letters. Don't walk, RUN from this company. I will provide pics and my my experience to anyone who is planning on using this company. Used to be family owned and was amazing. Second they sold it went downhill fast."

Marshall R on June 2025


Alpha Construct

934 Belmont Ave, Unit 1
5.00(
2
)
Approved Pro

Alpha Construct

934 Belmont Ave, Unit 1
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
25 years of experience

We are 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 ess

"Very professional and easy to work with!"

Lamar P on July 2023

We are 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 ess

"Very professional and easy to work with!"

Lamar P on July 2023


Avatar for RTS Electric

RTS Electric

136 GLEN ST
5.00(
9
)
Approved Pro

RTS Electric

136 GLEN ST
5.00(
9
)
Approved Pro
Customers say: Quick response
3 years of experience
Emergency services offered

RTS Electric, has been completing electrical work for residential and commercial for a year now. We complete a wide range of projects, from a simple fixtures to full electrical install on a custom home. RTS Electric, values customer service, professionalism and integrity. We are passionate about exceeding your expectations and would love to hear from you. We offer competitive pricing so give us a call for a free estimate.

"Excellent service"

Christine A on September 2023

RTS Electric, has been completing electrical work for residential and commercial for a year now. We complete a wide range of projects, from a simple fixtures to full electrical install on a custom home. RTS Electric, values customer service, professionalism and integrity. We are passionate about exceeding your expectations and would love to hear from you. We offer competitive pricing so give us a call for a free estimate.

"Excellent service"

Christine A on September 2023


Ez Network Cabling, Inc

11550 175th St
5.00(
2
)
Approved Pro

Ez Network Cabling, Inc

11550 175th St
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

We specialize in appliance repair for a variety of major brand appliances including, but not limited to, LG, Samsung, Maytag, Whirlpool, Viking, and Subzero. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction! We offer a 24 HOUR EMERGENCY SERVICE as well as a ONE YEAR WARRANTY on our appliance repair services.

"Professional, knowledgeable and competent"

Christian B on September 2022

We specialize in appliance repair for a variety of major brand appliances including, but not limited to, LG, Samsung, Maytag, Whirlpool, Viking, and Subzero. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction! We offer a 24 HOUR EMERGENCY SERVICE as well as a ONE YEAR WARRANTY on our appliance repair services.

"Professional, knowledgeable and competent"

Christian B on September 2022


Avatar for KM Communications NY

KM Communications NY

PO Box 856
5.00(
4
)
Approved Pro

KM Communications NY

PO Box 856
5.00(
4
)
Approved Pro
Customers say: Quick response
5 years of experience
Free onsite estimate

KM Communications 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. 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.

"Kevin was a prompt communicator, the quality of his work was excellent and his fees were very reasonable."

Joe M on October 2022

KM Communications 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. 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.

"Kevin was a prompt communicator, the quality of his work was excellent and his fees were very reasonable."

Joe M on October 2022

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Generator Install questions, answered by experts

In some situations, yes. Never try to put biofuel into any home generator without checking the specifics first. If a generator has the ability to run on diesel, it can also run pure biofuel (the clear kind made from seed oils, for example). But if you are using biofuel made from animal fats or vegetable oils, the generator will need significant modifications before it can handle a sludgier type of biofuel.

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.

Generator size requirements vary wildly among properties, but typical generator sizes are listed below based on home square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14kW

  • 2,500 sq ft: 12–16kW

  • 3,000 sq ft: 16–20kW+

Unfortunately, home square footage isn’t always a good indicator of generator size requirements. Instead, you should call in a professional to discuss which items in your home you’d like to run via your generator. They can calculate peak and average consumption for those items and then size your generator appropriately for optimal performance.

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. 

Costs depend on generator type, labor, and additional wiring or transfer switch requirements.

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The Valley Stream, NY homeowners’ guide to generator installs

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