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"We wanted a backup generator for our house. For living in an industrialized area (Dayton), we lose power about as often as many 3rd world countries. When the power goes out, we can't get water (we have a water well in B'creek), we can't get heat (even though it's a gas furnace), and hot water (we have a power-vent gas water heater), among the other normal electric things in the house. I had no idea where to start to get this process going. Out of frustration, I simply called Bonham Electric, since they installed Kohler generators (I preferred those over Generac). Jeff Bonham himself, came out to the house in November 2020, checked our house, did a full electric load calculation (I was wanting a whole house generator - 18KW), explained to me what was needed, and advised me on what size generator was needed and also strongly suggested two "load sheds" for the stove and A/C. (These load sheds hold off power to those two components for 5 minutes after the generator kicks in to reduce the initial power load to the generator, allowing it to "catch-up" with everything else before those items turn on - HIGHLY recommended!) I also asked for a new electric panel, since mine had the older "Push-Matic" breakers. They're difficult to find and expensive if you CAN find them when one breaks or you need an additional circuit run in the house. Jeff advised me it would take until May 2021 before they could get the generator installed due to supply issues under COVID. He quoted me a price of $12,400, to include all equipment, the concrete base for the generator, the plumbing changes (gas line run for the generator), all inspections, and the labor. We agreed and paid half the cost up front. May 2021 arrived and I received a call from them about a week before they arrived. The day of the install meant we were without power for the better part of the day (about 5 hours - we fully expected this). Levi and the other guy that was sent with him worked diligently through the whole process. I offered each of them soft drinks or water and even offered to get them lunch since they worked right through lunch! They denied it all and kept at their tasks. The plumbers (NewPath Plumbing) arrived about an hour and a half after the electricians showed up. They did a full gas line calculation to make certain the gas supply to our house would support the generator along with our other gas appliances (Jeff estimated it would since he's done estimations on probably a couple thousand generator installs). After that was done (about 20 minutes) they set right to work installing a flex-line that exited to the outside, about 4' from the generator. This was somewhat of an ingenious solution instead of running large "hard" pipe through our basement from one end to the other. Within minutes, that flex gas line was run through the basement and connected with a shutoff to the house supply line! No joke! They also worked through lunch, and denied my offering of any drinks! By about 3:00PM we had power restored, a new breaker box installed with new breakers, a new transfer switch installed outside, new power lines run into the house from the meter to the breaker box, a new gas-line run to the generator, and the whole reason for this work - a new generator. Levi and his co-worker from Bonham explained the operation of the generator, what was done, how it was connected and asked multiple times through the explanation if I had any questions. He was really thorough, not to mention very polite! The same applied to both NewPath Plumbing techs that were there too! They were ALL courteous, well informed about what was needed, and explained when I asked Q's about the process as they went along. I tried to back off and let them do their work as much as possible. About 10 days or so after the installation, the plumbers came back for the plumbing inspection (which was done "virtually" by phone with the inspector). About a week later the electrical inspection came up and the electrical inspector showed up physically. We passed both inspections with flying colors. While Levi was here for the inspection, I asked him to change the day of the "generator exercise" to a different day, since the original time set interfered with meetings my wife and I typically have, while we work from home. He changed that within a couple minutes and asked if I had any other Q's. Nope. Real live test: DP&L had people trimming trees along the power lines in our back yard and through our neighborhood. About a week later while my wife and I were working in the house and about 1:30PM, the power dropped. I saw my monitors go black and the room light go off. I looked at my wife and said we just lost power. And just about the time I finished that sentence, the generator kicked on and power came back up! Dang, that was sooooo nice. About 10 minutes later, I walked out on our back patio to see what was going on and I heard a loud POP. That was the transfer switch putting us back on line power. The generator continued to run for a few more minutes to cool down and then shut off. Everything worked as advertised and perfectly! I HIGHLY recommend Bonham Electric to install a generator for you. If they're this good for an install like this, I would trust them with all your electric needs. Outstanding work. It's all neat, clean, works perfectly, and their employees are enjoyable to work with!"

David J on June 2021

Bonham Electric, Inc., one of the most established electrical contractors in Dayton, OH, offering residential service, commercial service, new construction, generator service, and much more.

"We wanted a backup generator for our house. For living in an industrialized area (Dayton), we lose power about as often as many 3rd world countries. When the power goes out, we can't get water (we have a water well in B'creek), we can't get heat (even though it's a gas furnace), and hot water (we have a power-vent gas water heater), among the other normal electric things in the house. I had no idea where to start to get this process going. Out of frustration, I simply called Bonham Electric, since they installed Kohler generators (I preferred those over Generac). Jeff Bonham himself, came out to the house in November 2020, checked our house, did a full electric load calculation (I was wanting a whole house generator - 18KW), explained to me what was needed, and advised me on what size generator was needed and also strongly suggested two "load sheds" for the stove and A/C. (These load sheds hold off power to those two components for 5 minutes after the generator kicks in to reduce the initial power load to the generator, allowing it to "catch-up" with everything else before those items turn on - HIGHLY recommended!) I also asked for a new electric panel, since mine had the older "Push-Matic" breakers. They're difficult to find and expensive if you CAN find them when one breaks or you need an additional circuit run in the house. Jeff advised me it would take until May 2021 before they could get the generator installed due to supply issues under COVID. He quoted me a price of $12,400, to include all equipment, the concrete base for the generator, the plumbing changes (gas line run for the generator), all inspections, and the labor. We agreed and paid half the cost up front. May 2021 arrived and I received a call from them about a week before they arrived. The day of the install meant we were without power for the better part of the day (about 5 hours - we fully expected this). Levi and the other guy that was sent with him worked diligently through the whole process. I offered each of them soft drinks or water and even offered to get them lunch since they worked right through lunch! They denied it all and kept at their tasks. The plumbers (NewPath Plumbing) arrived about an hour and a half after the electricians showed up. They did a full gas line calculation to make certain the gas supply to our house would support the generator along with our other gas appliances (Jeff estimated it would since he's done estimations on probably a couple thousand generator installs). After that was done (about 20 minutes) they set right to work installing a flex-line that exited to the outside, about 4' from the generator. This was somewhat of an ingenious solution instead of running large "hard" pipe through our basement from one end to the other. Within minutes, that flex gas line was run through the basement and connected with a shutoff to the house supply line! No joke! They also worked through lunch, and denied my offering of any drinks! By about 3:00PM we had power restored, a new breaker box installed with new breakers, a new transfer switch installed outside, new power lines run into the house from the meter to the breaker box, a new gas-line run to the generator, and the whole reason for this work - a new generator. Levi and his co-worker from Bonham explained the operation of the generator, what was done, how it was connected and asked multiple times through the explanation if I had any questions. He was really thorough, not to mention very polite! The same applied to both NewPath Plumbing techs that were there too! They were ALL courteous, well informed about what was needed, and explained when I asked Q's about the process as they went along. I tried to back off and let them do their work as much as possible. About 10 days or so after the installation, the plumbers came back for the plumbing inspection (which was done "virtually" by phone with the inspector). About a week later the electrical inspection came up and the electrical inspector showed up physically. We passed both inspections with flying colors. While Levi was here for the inspection, I asked him to change the day of the "generator exercise" to a different day, since the original time set interfered with meetings my wife and I typically have, while we work from home. He changed that within a couple minutes and asked if I had any other Q's. Nope. Real live test: DP&L had people trimming trees along the power lines in our back yard and through our neighborhood. About a week later while my wife and I were working in the house and about 1:30PM, the power dropped. I saw my monitors go black and the room light go off. I looked at my wife and said we just lost power. And just about the time I finished that sentence, the generator kicked on and power came back up! Dang, that was sooooo nice. About 10 minutes later, I walked out on our back patio to see what was going on and I heard a loud POP. That was the transfer switch putting us back on line power. The generator continued to run for a few more minutes to cool down and then shut off. Everything worked as advertised and perfectly! I HIGHLY recommend Bonham Electric to install a generator for you. If they're this good for an install like this, I would trust them with all your electric needs. Outstanding work. It's all neat, clean, works perfectly, and their employees are enjoyable to work with!"

David J on June 2021


Avatar for William Brockman & Sons Inc

William Brockman & Sons Inc

4.94(
48
)

William Brockman & Sons Inc

4.94(
48
)
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

William Brockman & Sons is a full service HVAC company that has served the Dayton, Ohio area since 1945. We are family owned & operated, currently under the guidance of the third generation of the Brockman family. The company is licensed by the State of Ohio for both HVAC and plumbing, and are members of the Dayton Better Business Bureau, as well as the Air Conditioning Contractors of America (ACCA). Our staff consists of 15 people with over 250 years of combined experience serving our customers. Our service's include on-site service repair (diagnotic fee @ $89.00), free estimate's for HVAC replacement products as well as the installation of the finest HVAC products our industry has to offer. In addition, we have a retail sales counter for those do-it yourself consumers. William Brockman and Sons is also environmentally conscious. We offer Solar Panels as well as Geothermal Heating and Cooling. Additionally, we sell and install indoor air quality products that go hand in hand with having a comfortable and a clean environment! Additional DBAs - Brockman (Wm) & Sons Inc, Brockman Wm & Sons Inc.

"Our heat pump compressor unit outside our house started intermittently SCREAMING like a banshee! Finally got evidence to the folks at Brockman such that they could diagnose the cause. Replaced the compressor motor. Fixed it the next morning -- running like a charm!!!"

Douglas G on March 2018

William Brockman & Sons is a full service HVAC company that has served the Dayton, Ohio area since 1945. We are family owned & operated, currently under the guidance of the third generation of the Brockman family. The company is licensed by the State of Ohio for both HVAC and plumbing, and are members of the Dayton Better Business Bureau, as well as the Air Conditioning Contractors of America (ACCA). Our staff consists of 15 people with over 250 years of combined experience serving our customers. Our service's include on-site service repair (diagnotic fee @ $89.00), free estimate's for HVAC replacement products as well as the installation of the finest HVAC products our industry has to offer. In addition, we have a retail sales counter for those do-it yourself consumers. William Brockman and Sons is also environmentally conscious. We offer Solar Panels as well as Geothermal Heating and Cooling. Additionally, we sell and install indoor air quality products that go hand in hand with having a comfortable and a clean environment! Additional DBAs - Brockman (Wm) & Sons Inc, Brockman Wm & Sons Inc.

"Our heat pump compressor unit outside our house started intermittently SCREAMING like a banshee! Finally got evidence to the folks at Brockman such that they could diagnose the cause. Replaced the compressor motor. Fixed it the next morning -- running like a charm!!!"

Douglas G on March 2018


Avatar for Ag-Pro Power Division

Ag-Pro Power Division

4.98(
44
)

Ag-Pro Power Division

4.98(
44
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Ag-Pro Power Division specializes in the sale, service and installation of Generac home automated standby generator systems. We provide preventative maintenance programs for residential generators regardless of where you purchased the unit and also sell portable generators made by Generac. Our products can be purchased at any of Ag-Pro's locations in Ohio & Kentucky.

"We had purchased a home that include a 13.5kw Generac whole house standby generator that was not actually installed but just sitting behind the house unused. I contacted JD Power Systems to see if they could test and verify that the generator worked and if so then hook it up. They sent out a technician free of charge that was able to get the generator up and running and was able to verify that it was basically a brand new never used generator. They gave me a fair quote of what it would cost to pull proper permits, move the generator to the correct location to be within city codes and get everything hooked up with a full house auto transfer switch. It took about 5 hours total to get everything done but i'm very happy with the results. The entire crew was friendly and courteous and I appreciated that they didn't mind me hovering around them as I watch them do the install."

Alan B on June 2018

Ag-Pro Power Division specializes in the sale, service and installation of Generac home automated standby generator systems. We provide preventative maintenance programs for residential generators regardless of where you purchased the unit and also sell portable generators made by Generac. Our products can be purchased at any of Ag-Pro's locations in Ohio & Kentucky.

"We had purchased a home that include a 13.5kw Generac whole house standby generator that was not actually installed but just sitting behind the house unused. I contacted JD Power Systems to see if they could test and verify that the generator worked and if so then hook it up. They sent out a technician free of charge that was able to get the generator up and running and was able to verify that it was basically a brand new never used generator. They gave me a fair quote of what it would cost to pull proper permits, move the generator to the correct location to be within city codes and get everything hooked up with a full house auto transfer switch. It took about 5 hours total to get everything done but i'm very happy with the results. The entire crew was friendly and courteous and I appreciated that they didn't mind me hovering around them as I watch them do the install."

Alan B on June 2018


Avatar for A-Abel

A-Abel

4.69(
275
)

A-Abel

4.69(
275
)
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

2012 was our 75th Year. We must be doing something right. We will work hard to make sure ANGIE'S LIST customers are pleased with our service. Our Experts are Experienced and ready to solve your Home's problems.

"They did a great job and have a nice work."

Carol B on December 2021

2012 was our 75th Year. We must be doing something right. We will work hard to make sure ANGIE'S LIST customers are pleased with our service. Our Experts are Experienced and ready to solve your Home's problems.

"They did a great job and have a nice work."

Carol B on December 2021


Avatar for Ed's Heating Cooling Plumbing Electric

Ed's Heating Cooling Plumbing Electric

4.73(
126
)

Ed's Heating Cooling Plumbing Electric

4.73(
126
)
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Your one-stop-shop for heating, air conditioning, plumbing, and electrical solutions in the Dayton, Ohio & surrounding Miami Valley. One call to (937) 667-6713 really does it all when it comes to keeping your homes and businesses running smoothly. Contact us at [email protected] for professional and affordable heating cooling plumbing electric services from Ed's. For over 30 years Ed's has delivered comfort to our neighbors. Our commitment to our customers gives you peace of mind. We listen closely to your needs, then work with you on determining the most efficient and affordable solution. Ed's is Licensed, Bonded, and Insured for your safety, peace of mind, and protection. Our State of Ohio contractor's license numbers are #47383 for HVAC, heating and air conditioning, #47100 for plumbing, and #46262 for electric. Our technicians are certified and factory trained to install or fix most major brands of furnaces, air conditioners, heat pumps and plumbing equipment. Ed's HVAC technicians are also NATE certified by the North American Excellence (NATE) Air Conditioning Excellence – ACE Exams. You can rely on Ed's for new building, remodeling and maintenance projects at your home or office. And you can be confident knowing that when you call Ed's for assistance, you will get a trained and knowledgeable representative to meet your needs. We offer FREE SECOND OPINIONS and FREE ESTIMATES. Ed's is your single source solution to help you with -- *Heating issues including furnaces, boilers, geothermal, and heat pumps *Cooling problems with air conditioners *Plumbing concerns such as water heaters, clogged drains, toilets, broken pipes, leaky faucets and much more *Electrical projects including wiring, service panels, lighting, generators and much more Contact Ed's Heating Cooling Plumbing Electric and discover what thousands of satisfied Dayton and Miami Valley customers already know - when it comes to comfort, no one can compare.

"The electrical and plumbing was good"

Dennis S on February 2019

Your one-stop-shop for heating, air conditioning, plumbing, and electrical solutions in the Dayton, Ohio & surrounding Miami Valley. One call to (937) 667-6713 really does it all when it comes to keeping your homes and businesses running smoothly. Contact us at [email protected] for professional and affordable heating cooling plumbing electric services from Ed's. For over 30 years Ed's has delivered comfort to our neighbors. Our commitment to our customers gives you peace of mind. We listen closely to your needs, then work with you on determining the most efficient and affordable solution. Ed's is Licensed, Bonded, and Insured for your safety, peace of mind, and protection. Our State of Ohio contractor's license numbers are #47383 for HVAC, heating and air conditioning, #47100 for plumbing, and #46262 for electric. Our technicians are certified and factory trained to install or fix most major brands of furnaces, air conditioners, heat pumps and plumbing equipment. Ed's HVAC technicians are also NATE certified by the North American Excellence (NATE) Air Conditioning Excellence – ACE Exams. You can rely on Ed's for new building, remodeling and maintenance projects at your home or office. And you can be confident knowing that when you call Ed's for assistance, you will get a trained and knowledgeable representative to meet your needs. We offer FREE SECOND OPINIONS and FREE ESTIMATES. Ed's is your single source solution to help you with -- *Heating issues including furnaces, boilers, geothermal, and heat pumps *Cooling problems with air conditioners *Plumbing concerns such as water heaters, clogged drains, toilets, broken pipes, leaky faucets and much more *Electrical projects including wiring, service panels, lighting, generators and much more Contact Ed's Heating Cooling Plumbing Electric and discover what thousands of satisfied Dayton and Miami Valley customers already know - when it comes to comfort, no one can compare.

"The electrical and plumbing was good"

Dennis S on February 2019


Avatar for Mr. Electric of Dayton

Mr. Electric of Dayton

4.72(
58
)

Mr. Electric of Dayton

4.72(
58
)
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers

Locally owned and operated. We have been in business since 1955 and pride ourselves in the quality of work and service we provide. We have a stringent hiring process of our technicians requiring background and drug screening. Our polite, uniformed Service Professionals treat your home or business as if it were their own. We offer scheduled appointment times and up-front pricing.

"Everyone with whom I spoke or interacted with were excellent. The technician did a great job, both in keeping me updated on when he would arrive and in performing the job. I would definitely use this company again and refer others."

Marcia Y on April 2020

Locally owned and operated. We have been in business since 1955 and pride ourselves in the quality of work and service we provide. We have a stringent hiring process of our technicians requiring background and drug screening. Our polite, uniformed Service Professionals treat your home or business as if it were their own. We offer scheduled appointment times and up-front pricing.

"Everyone with whom I spoke or interacted with were excellent. The technician did a great job, both in keeping me updated on when he would arrive and in performing the job. I would definitely use this company again and refer others."

Marcia Y on April 2020


Avatar for Cornerstone Home Energy Inc

Cornerstone Home Energy Inc

4.93(
14
)

Cornerstone Home Energy Inc

4.93(
14
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Servicing 36 Ohio Counties, installing & servicing standby generators. Top professionals to install your new backup power generator Cornerstone Home Energy, Inc. is a family-owned business serving Ohio homes and offices, providing the highest-quality products and service available in the industry. We are independently owned and operated, and not encumbered by the shackles of a franchise. Because of this, it's possible for us to search the world for the finest-quality, exclusive products available such as General Electric and Briggs and Stratton and provide them to you at the lowest possible prices.

"very good...pleased with installation and followup maintainance"

Eugene L on September 2018

Servicing 36 Ohio Counties, installing & servicing standby generators. Top professionals to install your new backup power generator Cornerstone Home Energy, Inc. is a family-owned business serving Ohio homes and offices, providing the highest-quality products and service available in the industry. We are independently owned and operated, and not encumbered by the shackles of a franchise. Because of this, it's possible for us to search the world for the finest-quality, exclusive products available such as General Electric and Briggs and Stratton and provide them to you at the lowest possible prices.

"very good...pleased with installation and followup maintainance"

Eugene L on September 2018



Wells Electric Service LLC

4.93(
14
)

Wells Electric Service LLC

4.93(
14
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Wells Electric Service LLC carries an A+ rating with the Better Business Bureau and has proudly served the Dayton and surrounding areas for over 37 years. Wells offers the customer prompt, friendly, courteous service by six licensed and experienced electricians available 24/7, 365 days a year. Wells accepts cash, check. money order, credit and or debit card payment. Free estimates.

"As to be expected….Perfect. Wells came out and resolved the issue. The repairman who provided the service seemed very knowledgeable and kept us informed of what he was doing every step of the way and by doing so it taught us more about how our generator operates."

Anthony L on October 2022

Wells Electric Service LLC carries an A+ rating with the Better Business Bureau and has proudly served the Dayton and surrounding areas for over 37 years. Wells offers the customer prompt, friendly, courteous service by six licensed and experienced electricians available 24/7, 365 days a year. Wells accepts cash, check. money order, credit and or debit card payment. Free estimates.

"As to be expected….Perfect. Wells came out and resolved the issue. The repairman who provided the service seemed very knowledgeable and kept us informed of what he was doing every step of the way and by doing so it taught us more about how our generator operates."

Anthony L on October 2022


"Scott and team came out on time, installed or replaced/moved three ceiling fans, installed two lights outside garage (put boxes in my brick exterior), dropped a power outlet in a bathroom, and installed a baseboard heater. The three guys knowcked it out in less than a day, cleaned up and validated everything was working. Highly recommended!"

Dennis M on December 2020

COST IS DETERMINED BY THE JOB. TRAVEL CHARGES MAY APPLY. NO EXTRA CHARGE FOR AFTER-HOURS SERVICE.

"Scott and team came out on time, installed or replaced/moved three ceiling fans, installed two lights outside garage (put boxes in my brick exterior), dropped a power outlet in a bathroom, and installed a baseboard heater. The three guys knowcked it out in less than a day, cleaned up and validated everything was working. Highly recommended!"

Dennis M on December 2020

Showing 1-10 of 21
Generator Install questions, answered by experts

To reduce AC startup power for a whole-house generator, install a soft start kit or hard start capacitor, which lowers the initial surge by gradually ramping up the compressor. Using a smart load manager can also help by staggering startup loads, preventing a system overload and future costly repairs.

When choosing the right size generator for your needs, consider a few items to help calculate the wattage you’ll need. Start by determining which household items and appliances you want to power, and then add the wattages together. Check out the wattage of these essential appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 watts

Running home appliances like these requires a partial or whole-house generator. A portable generator may be enough to power your home if you only plan to keep a refrigerator and freezer running. 

The typical cost of a home generator is around $5,000, but prices range from $400 up to $13,000, depending on a few factors. The most significant cost factor is the generator size, as larger generators that can support more square footage usually cost more. You can install an emergency backup generator for between $500 and $2,000 or a partial-home generator for between $2,000 and $6,500. Whole-home generators usually total between $5,000 and $13,000, with some models climbing as high as $18,000.

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.

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.

The Englewood, OH homeowners’ guide to generator installs

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