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Avatar for John Betlem Heating & Cooling Inc

John Betlem Heating & Cooling Inc

4.72(
144
)
Approved Pro

John Betlem Heating & Cooling Inc

4.72(
144
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
383 local quotes requested

John Betlem Heating & Cooling is a 3rd generation company founded in 1941. They provide Residential HVAC, Electrical and Insulation Services to Rochester, NY and the surrounding towns. John’s slogan that still holds true today is to do “whatever it takes” to satisfy customers. John Betlem is a premier family operated solutions provider, passionately committed to the health, safety, and comfort for all they serve.

"The work was done quickly and efficiently. The guys did a great job installing the switches I needed and cleaned up when done with the work. thank you"

Suzanne S on November 2025

John Betlem Heating & Cooling is a 3rd generation company founded in 1941. They provide Residential HVAC, Electrical and Insulation Services to Rochester, NY and the surrounding towns. John’s slogan that still holds true today is to do “whatever it takes” to satisfy customers. John Betlem is a premier family operated solutions provider, passionately committed to the health, safety, and comfort for all they serve.

"The work was done quickly and efficiently. The guys did a great job installing the switches I needed and cleaned up when done with the work. thank you"

Suzanne S on November 2025


Powering your world, building your future. Experts in electrical solutions and construction services.


Avatar for Exceptional Exteriors & Interiors

Exceptional Exteriors & Interiors

4.59(
23
)
Approved Pro

Exceptional Exteriors & Interiors

4.59(
23
)
Approved Pro
Customers say: Terrific value
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
11 years of experience

Exceptional Exteriors & Interiors is locally owned and operated. From start to finish we get the job done to your satisfaction using the highest quality materials and workmanship. Reliability and customer satisfaction is our hallmark. Please give us a call for a free estimate!

"Ben and Brian came to our house and completed an electrical panel swap out from a 100amp service to a 200 amp service. Their professionalism and quick work saved us time, money, and future power capacity issues. They are experienced and knowledgeable all the way around. Thank you for the excellent work!"

Geoffrey K on January 2025

Exceptional Exteriors & Interiors is locally owned and operated. From start to finish we get the job done to your satisfaction using the highest quality materials and workmanship. Reliability and customer satisfaction is our hallmark. Please give us a call for a free estimate!

"Ben and Brian came to our house and completed an electrical panel swap out from a 100amp service to a 200 amp service. Their professionalism and quick work saved us time, money, and future power capacity issues. They are experienced and knowledgeable all the way around. Thank you for the excellent work!"

Geoffrey K on January 2025


Avatar for Hurricane Home Solutions, Inc.

Hurricane Home Solutions, Inc.

4.86(
210
)
Approved Pro

Hurricane Home Solutions, Inc.

4.86(
210
)
Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
195 local quotes requested

Hurricane Generators is dedicated to delivering a superior experience from start to finish—backed by prompt service, attention to detail, and a commitment to your complete satisfaction. When the power goes out, we’re here for you with 24/7 emergency service and reliable solutions you can count on. We proudly work with top brands like Generac, Cummins, and Champion to match every homeowner with the ideal generator for their needs. From expert installation to ongoing maintenance, our team ensures your system is ready whenever you need it most. With Hurricane Generators, you get more than just a product—you get a partner you can trust. We return calls promptly, show up on time, and deliver on every promise. And with our guaranteed competitive pricing, you can have peace of mind knowing you’re getting exceptional value along with exceptional service.

"Very good told me everything he was doing,ran through test,ect referred hurricane to neighbors, and they purchased. Good company and peple."

Bernard L on June 2025

Hurricane Generators is dedicated to delivering a superior experience from start to finish—backed by prompt service, attention to detail, and a commitment to your complete satisfaction. When the power goes out, we’re here for you with 24/7 emergency service and reliable solutions you can count on. We proudly work with top brands like Generac, Cummins, and Champion to match every homeowner with the ideal generator for their needs. From expert installation to ongoing maintenance, our team ensures your system is ready whenever you need it most. With Hurricane Generators, you get more than just a product—you get a partner you can trust. We return calls promptly, show up on time, and deliver on every promise. And with our guaranteed competitive pricing, you can have peace of mind knowing you’re getting exceptional value along with exceptional service.

"Very good told me everything he was doing,ran through test,ect referred hurricane to neighbors, and they purchased. Good company and peple."

Bernard L on June 2025


Avatar for Ron Bonaccorso Electric

Ron Bonaccorso Electric

4.88(
34
)
Approved Pro

Ron Bonaccorso Electric

4.88(
34
)
Approved Pro
Super Service Award
Customers say: Quick response
97 local quotes requested
26 years of experience

We answer our phones and do our own work! Knowledgeable electrician looking to handle your electrical dilemma! Residential and light commercial. 40+ years of experience. No job is too small! We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Call or click to schedule a free estimate today!

"Replaced panel box. Both ron and his son we nice,fast and efficient. Squeezed me into their schedule and im very happy with the job."

Sara S on November 2025

We answer our phones and do our own work! Knowledgeable electrician looking to handle your electrical dilemma! Residential and light commercial. 40+ years of experience. No job is too small! We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Call or click to schedule a free estimate today!

"Replaced panel box. Both ron and his son we nice,fast and efficient. Squeezed me into their schedule and im very happy with the job."

Sara S on November 2025


Avatar for W B Lightning Rods

W B Lightning Rods

4.93(
297
)
Approved Pro

W B Lightning Rods

4.93(
297
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
165 local quotes requested

WB Lightning Rods is a third-generation lightning protection contractor. Family Owned and operated for over 60 years. installing U.L. Listed Lightning protection systems, All Over the East coast, Midwest south east and south west regions of the U.S. Installations on Residential Homes, Estate Properties, Agricultural and Equestrian Properties. Lightning Protection for trees is also available. No job to big or small References upon Request. Contact us today for a no cost or obligation estimate. We look forward to working with you on your Lightning Protection Project. Thank you. **WE ARE NOT ELECTRICIANS** **WE ONLY INSTALL LIGHTNING PROTECTION SYSTEMS **

"Great company, they were fast, friendly, & accommodating. I would definitely use them again."

Jennifer B on October 2024

WB Lightning Rods is a third-generation lightning protection contractor. Family Owned and operated for over 60 years. installing U.L. Listed Lightning protection systems, All Over the East coast, Midwest south east and south west regions of the U.S. Installations on Residential Homes, Estate Properties, Agricultural and Equestrian Properties. Lightning Protection for trees is also available. No job to big or small References upon Request. Contact us today for a no cost or obligation estimate. We look forward to working with you on your Lightning Protection Project. Thank you. **WE ARE NOT ELECTRICIANS** **WE ONLY INSTALL LIGHTNING PROTECTION SYSTEMS **

"Great company, they were fast, friendly, & accommodating. I would definitely use them again."

Jennifer B on October 2024


Avatar for CANNIZZO ELECTRICAL CORP

CANNIZZO ELECTRICAL CORP

4.89(
19
)
Approved Pro

CANNIZZO ELECTRICAL CORP

4.89(
19
)
Approved Pro
Customers say: Quality work
56 local quotes requested
1 years of experience

Cannizzo Electric Inc., established in 1985, is a licensed and insured electrical contractor based in Rochester, NY. Serving Monroe and surrounding counties, they offer comprehensive residential, commercial, and industrial electrical services. Specialties include design consultation, service changes and repairs, pool and hot tub wiring, generator systems, and CATV, telephone, and computer wiring. Notable projects range from high-end residences to office buildings, restaurants, and schools. Cannizzo Electric operates Monday through Friday, 8:00 AM to 5:00 PM. Servicing all electrical needs for residential and commercial.

"Mike and his team were very thorough, included follow-up and communication while waiting on the city to complete their required portions. Would recommend!"

Madison W on November 2025

Cannizzo Electric Inc., established in 1985, is a licensed and insured electrical contractor based in Rochester, NY. Serving Monroe and surrounding counties, they offer comprehensive residential, commercial, and industrial electrical services. Specialties include design consultation, service changes and repairs, pool and hot tub wiring, generator systems, and CATV, telephone, and computer wiring. Notable projects range from high-end residences to office buildings, restaurants, and schools. Cannizzo Electric operates Monday through Friday, 8:00 AM to 5:00 PM. Servicing all electrical needs for residential and commercial.

"Mike and his team were very thorough, included follow-up and communication while waiting on the city to complete their required portions. Would recommend!"

Madison W on November 2025


ELLENWOOD ELECTRIC

4.97(
211
)
Approved Pro

ELLENWOOD ELECTRIC

4.97(
211
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
54 local quotes requested

I am a licensed City of Rochester Master Electrician. Ellenwood Electric is a small 2-man operation, with offices in my home. I have been in business for over 25 years. Our specialty is residential troubleshooting, repairs, service upgrades and addition of new plugs, lighting and etc. "We Do It Without Shorts"

"A prompt response by Mark Ellenwood created a comprehensive, well-reasoned plan that also required coordination with the local utility and a tree trimming service. A fixed price was agreed and a tentative schedule presented. Ellenwood Electric coordinated the entire process . The 2 young men who performed the electrical work were skilled, competent, and courteous. Their work was praised by both the utility company personnel and the Ispector. And all work was completed for the exact agreed price."

Alan C on June 2025

I am a licensed City of Rochester Master Electrician. Ellenwood Electric is a small 2-man operation, with offices in my home. I have been in business for over 25 years. Our specialty is residential troubleshooting, repairs, service upgrades and addition of new plugs, lighting and etc. "We Do It Without Shorts"

"A prompt response by Mark Ellenwood created a comprehensive, well-reasoned plan that also required coordination with the local utility and a tree trimming service. A fixed price was agreed and a tentative schedule presented. Ellenwood Electric coordinated the entire process . The 2 young men who performed the electrical work were skilled, competent, and courteous. Their work was praised by both the utility company personnel and the Ispector. And all work was completed for the exact agreed price."

Alan C on June 2025


Avatar for Donohue's Lightning Rods

Donohue's Lightning Rods

4.89(
50
)
Approved Pro

Donohue's Lightning Rods

4.89(
50
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
100 local quotes requested

The modern suburban and small town home of today has become an ideal lightning target. The home owner would do well to recognize lightning for the destructive force that it is and protect against this major life and fire hazard. Donohue's Lightning Rods is based in Missouri, near the factory where most of the residential and commercial lightning rod supplies are manufactured. Jim travels regularly to Texas, Louisiana, Arkansas, Missouri, Kansas, Montana, Wyoming, Colorado, and New York. Call today to find out when Jim will be in your area. For installations outside Missouri, Kansas, or Texas, Jim waits until there are a few customers lined up, thus being able to provide the same quality services at affordable prices. **WE DO NOT DO ELECTRICAL SERVICES.** (ONLY LIGHTNING RODS)

"The job was beautifully and professionally done. I have a zero scape yard and the gentleman was concerned about disturbing the gravel when putting the rod into the ground. WOW!!!!"

Debra D on June 2025

The modern suburban and small town home of today has become an ideal lightning target. The home owner would do well to recognize lightning for the destructive force that it is and protect against this major life and fire hazard. Donohue's Lightning Rods is based in Missouri, near the factory where most of the residential and commercial lightning rod supplies are manufactured. Jim travels regularly to Texas, Louisiana, Arkansas, Missouri, Kansas, Montana, Wyoming, Colorado, and New York. Call today to find out when Jim will be in your area. For installations outside Missouri, Kansas, or Texas, Jim waits until there are a few customers lined up, thus being able to provide the same quality services at affordable prices. **WE DO NOT DO ELECTRICAL SERVICES.** (ONLY LIGHTNING RODS)

"The job was beautifully and professionally done. I have a zero scape yard and the gentleman was concerned about disturbing the gravel when putting the rod into the ground. WOW!!!!"

Debra D on June 2025


Avatar for Nichols Electric & Plumbing

Nichols Electric & Plumbing

4.87(
549
)
Approved Pro

Nichols Electric & Plumbing

4.87(
549
)
Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
39 local quotes requested

My name is Steve Nichols and we have been in business serving the Rochester area since 1984. I take pride in making my word stand for something. We will return phone calls and show up on time for the scheduled appointment. We put the word "commitment" back in the construction industry. We start all jobs with customer satisfaction in mind. When you call Nichols, Electrical, you can be confident that you will get the best service in the area. Our trained staff brings you more than superior electrical service and bring you peace-of-mind knowing that your family or business are safe. Please give us a call so we can prove to you that you will have an electrician for life. In Rochester call (585) 427-9310.

"It was good but a little expenditure, it seemed like they overcharged me."

Ernest B on December 2024

My name is Steve Nichols and we have been in business serving the Rochester area since 1984. I take pride in making my word stand for something. We will return phone calls and show up on time for the scheduled appointment. We put the word "commitment" back in the construction industry. We start all jobs with customer satisfaction in mind. When you call Nichols, Electrical, you can be confident that you will get the best service in the area. Our trained staff brings you more than superior electrical service and bring you peace-of-mind knowing that your family or business are safe. Please give us a call so we can prove to you that you will have an electrician for life. In Rochester call (585) 427-9310.

"It was good but a little expenditure, it seemed like they overcharged me."

Ernest B on December 2024

Showing 1-10 of 36
Generator Install questions, answered by experts

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.

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.

A 1,500 square foot home will likely need a 15kW to 20kW generator. When deciding on whole-house generator size, add up the total wattage of the devices that you’d like to continue running during a power outage. That way, you can ensure you purchase a generator that can power your necessary appliances or medical equipment during an electrical emergency.

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

When installed and used correctly, generators are safe to use. The most critical generator safety tips to keep in mind are:

  • Never use a portable generator inside an enclosed space, as the carbon monoxide exhaust it creates is lethal.

  • Never attempt to connect your generator to your home’s electrical panel independently; hire a professional for this dangerous job.

  • Never overload your generator by connecting more appliances than for which it’s rated; you can damage your generator and appliances or even cause a fire.

The Rush, NY homeowners’ guide to generator installs

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

What do you need done? We’ll find top pros.
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