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Top-Rated Generator install pros in Greenfield - Updated Nov 2026

Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
4.3(
8
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Greenfield, IN and surrounding areas

Approved (Corporate)

In business since 1992

Emergency services offered

Warranties offered

"It was pretty rocky. At first. Several appoints made by Tri-State no one ever showed up.Crew showed up to install the Generator before the site survey and did not have necessary equipment or cooperation of Electric or gas company nor call before you dig had been notified. I called Tri-State to warn them the call before dig had never been preformed. They said they'd take care of it, did not happen until right before installation crew came back the second time. The first time they were here they could not have installed the generator even had they had all the parts because none of the utilities had been marked. Finally after about three months the Generac was installed and working. I had several questions that I could never get answered by calling Tri-State. One of the installation team had to come back a couple of weeks later to replace a damaged part and he answered all my questions. The guys who installed the Generac were great, the problem is your guys operation center and call center as far as I can see do not communicate very well. Anyway the generator has worked fine in several power outages this spring. I am happy right now but I live in dread something goes wrong and I have to call Tri-State for help."
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+2

65 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Gleam Electric, LLC
Gleam Electric, LLC
5.0(
15
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Greenfield, IN and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"This company is exceptional in customer satisfaction. First of all, they were on time, courteous and completed the job with no issues. The equipment they installed was much better than the previous one. I now have a circuit breaker, which I did not have before. They worked constantly in the hot weather and garage without hesitation. The job was finished way before AES showed up to turn the power back on. One of the workers stayed throughout the remainder of the day waiting on AES. Once they showed up, he walked through the house to make sure everything was working properly and explained everything that was installed. He showed me pictures of the damage on the roof and, where he repaired it. He even hauled away the debris from tree trimming that AES done. This was way beyond what I expected him to do. I only wish I had his name, so I can mention him appropriately. I highly recommend this company to anyone seeking electrical solutions."
Front of home
front of home
Back yard trees
Front of home
North side

+3

Response time1 day
Response rate96%
1 neighbors recently requested a quote
Avatar for BOGER & PARTNERS LLC
BOGER & PARTNERS LLC
4.5(
8
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Repair+1 more

Serving Greenfield, IN and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

NexPhase Electrical Solutions proudly serves Franklin, Indiana and surrounding communities with over two decades of real-world electrical experience. From small repairs to complex electrical projects, there’s truly nothing we can’t handle—residential or commercial. \n \nWe believe in doing the job right the first time, which is why every service we provide is backed by a 12-month workmanship warranty for total peace of mind. You’ll get honest recommendations, clean work, and solutions built to last—not upsells or shortcuts. \n \nAs a local, trusted electrical provider, we’re proud to give back by offering discounts for military members, veterans, educators, seniors, and more. When you want reliability, skill, and accountability from a company that stands behind its work, NexPhase Electrical Solutions is the smart call.

Lighting upgrades
Lighting upgrades
Lighting upgrades
Lighting upgrades
Lighting upgrades

+9

110 neighbors recently requested a quote
Avatar for Broadripple Electric Inc.
Broadripple Electric Inc.
4.9(
61
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Greenfield, IN and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"They did a great job! I had 3 outlets in my house that sometimes worked and sometimes didn't. Unlike a prior electrician I hired who told me "there was nothing they could do"... the team at Broad Ripple Electric took the time to investigate the situation, and find the source of the problems, and fixed the issues. They also were able to update my antique doorbell - they installed a new working doorbell while retaining many of the antique parts (for aesthetics) to the old doorbell. They were more than happy to explain to me what the problems were and they were able to come up with solutions that were affordable and of quality. It's clear they are very knowledgeable, and they also cleaned up after their work and were respectful of my house, my time and my loud barking dog!"
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+25

Recommended by100%of homeowners
Complete Comfort
4.7(
461
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Greenfield, IN and surrounding areas

In business since 2003

Free estimates

Emergency services offered

"These guys were really great. Easy to deal with. Good products. Professional installation. Great follow up. I had gotten a coupon for an AC tuneup from another company at Home Depot. During the tune up they told us we needed a complete new system. He quoted us a price of almost $10,000. So I went to Costco, which has a local partner for HVAC. Surprisingly, they proposed a bigger, even more expensive system for $11,000. I was pretty frustrated. So I went on here, looked for the highest rated HVAC companies and found the great reviews for Complete Comfort. They lived up to the hype. They suggested a system that was similar to the other two proposals but MUCH cheaper at $7,000. Their guys came out in a rainstorm and worked their butts off all day. The new system is GREAT! Then after about a week we noticed a banging noise when it came on. We called and they came right out. They made an alteration that fixed the problem at no additional cost. It was such a great experience working with them all the way around."
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+20

Recommended by94%of homeowners
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Generator Install FAQs, answered by experts

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

You can expect a diesel generator to last for up to 30,000 hours of use, which works out to 20 to 25 years with the proper maintenance, of course. That depends on how much you use it, so a diesel generator used for emergencies a couple of times a year will last a lot longer than a generator that takes over for a faulty electrical grid every month for a day or two. 

These advanced generators use a key fob or a smartphone app to remotely start, which is ideal for getting power back on immediately without venturing outside. This feature is more common on whole home generators, but you may be able to find it on large portable generators, too.

Generators are safe to use as long as they are installed and operated correctly according to the manufacturer's recommendations. The most critical safety tips are to never use a portable or fuel-powered generator inside an enclosed space due to the risk of lethal carbon monoxide poisoning; always operate it outdoors where fumes can dissipate away from your home. Additionally, never attempt to connect a generator to your home’s electrical panel yourself—hire a professional to ensure the setup meets safety standards. Finally, avoid overloading the generator by not connecting more appliances than it is rated for, as this can damage your equipment or cause a fire.

Portable generators provide backup power for essential appliances during outages and are easy to relocate.

The Greenfield, IN homeowners’ guide to generator installs

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