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There are 2 highly-rated local generator install pros.

Find Generator install pros in Rollin

Avatar for PM Technologies

PM Technologies

28294 Beck Rd
3.79(
14
)
Approved Pro

PM Technologies

28294 Beck Rd
3.79(
14
)
Approved Pro
68 local quotes requested
28 years of experience

For over 28 years we have been providing maintenance and service (including 24 hr Emergency Service) throughout SE Michigan and the surrounding areas. We do service all STANDBY brands Commercial and Residential, Large and small. We can also service Generac Portables dependent on age. We are a Certified, Independent Generac, Kohler, Wildcat, Briggs & Stratton, Taylor and Champion Dealer, and would be happy to provide you with a FREE ESTIMATE by one of our Friendly salespersons. Call today to see how we can offer you a peace of mind!

"Great John the installer did a great job"

Dan M on September 2025

For over 28 years we have been providing maintenance and service (including 24 hr Emergency Service) throughout SE Michigan and the surrounding areas. We do service all STANDBY brands Commercial and Residential, Large and small. We can also service Generac Portables dependent on age. We are a Certified, Independent Generac, Kohler, Wildcat, Briggs & Stratton, Taylor and Champion Dealer, and would be happy to provide you with a FREE ESTIMATE by one of our Friendly salespersons. Call today to see how we can offer you a peace of mind!

"Great John the installer did a great job"

Dan M on September 2025


Avatar for Cousino Electric Ltd

Cousino Electric Ltd

5525 Alger Unit D
4.82(
252
)
Approved Pro

Cousino Electric Ltd

5525 Alger Unit D
4.82(
252
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
130 local quotes requested

10 or more Super Service Awards. Providing Quality, Safe, and Affordable Service for All Your Electrical Needs. Family owned and operated. BBB Accredited Veteran and Senior Savings. Call or Text us Directly at (419) 885-ELEC (3532) or e-mail us at [email protected]. Do Not Rely on the Angie's List Message Center for Communications

"Problem was diagnosed & solution was provided. The whole process was quick and painless."

Julia N on September 2024

10 or more Super Service Awards. Providing Quality, Safe, and Affordable Service for All Your Electrical Needs. Family owned and operated. BBB Accredited Veteran and Senior Savings. Call or Text us Directly at (419) 885-ELEC (3532) or e-mail us at [email protected]. Do Not Rely on the Angie's List Message Center for Communications

"Problem was diagnosed & solution was provided. The whole process was quick and painless."

Julia N on September 2024


Avatar for One Point Technology Group LLC

One Point Technology Group LLC

12 W Bacon Street
5.00(
2
)
Approved Pro

One Point Technology Group LLC

12 W Bacon Street
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

One Pont Technology LLC is 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 their concerns the basis of our business.

"Super knowledgeable installers and tech support. Excellent customer support."

Rick T on May 2024

One Pont Technology LLC is 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 their concerns the basis of our business.

"Super knowledgeable installers and tech support. Excellent customer support."

Rick T on May 2024


Avatar for Accent Tel USA

Accent Tel USA

3501 Bessie Coleman Blvd, Suite 25203
4.89(
9
)
Approved Pro

Accent Tel USA

3501 Bessie Coleman Blvd, Suite 25203
4.89(
9
)
Approved Pro
Customers say: Quick response
14 local quotes requested
16 years of experience

Our Company provides a one-stop solution for all of your voice, internet, and telecom needs. Leveraging the Cloud we provide your Office state-of-the-art telephones for little or no upfront cost striving to keep your monthly costs the same. Sound too good to be true? Give us a call and we will show you how.

"Telephone System - Install or Upgrade - For Business "

Anthony O on September 2025

Our Company provides a one-stop solution for all of your voice, internet, and telecom needs. Leveraging the Cloud we provide your Office state-of-the-art telephones for little or no upfront cost striving to keep your monthly costs the same. Sound too good to be true? Give us a call and we will show you how.

"Telephone System - Install or Upgrade - For Business "

Anthony O on September 2025



"The whole process of quoting, sales presentation, finance arrangement, installation was simple, timely, professional, complete and painless. The price was very competitive, the installation was smooth and prompt, and the end product is thing of beauty. This review is from a homeowner who has had a couple of terrible furnace experiences in the past decade."

John G on January 2021

"The whole process of quoting, sales presentation, finance arrangement, installation was simple, timely, professional, complete and painless. The price was very competitive, the installation was smooth and prompt, and the end product is thing of beauty. This review is from a homeowner who has had a couple of terrible furnace experiences in the past decade."

John G on January 2021



WOLVERINE POWER CO

3229 80Th Ave
1.00(
1
)

WOLVERINE POWER CO

3229 80Th Ave
1.00(
1
)
28 years of experience

Wolverine Power Systems offers versatile and durable power generator products to industrial, commercial and residential markets.

"have used Wolverine Power Systems for eight years I now I believe and at all of my Michigan homes. This company's service has steadily been declining over the years to the point where I have no choice to cease doing business with them and to warn others of their extreme poor customer service. I have a generator down at a house since end of June 2021. Called emergency service, tech complained he already worked a 12 hour day and i had to beg him to come out and bribe with a bottle of whiskey. He did not take the bottle after the call. However, he was not able to fix the generator and furthermore he was not able to properly diagnose it so what was the point of the emergency call? Had another tech come out, Bobby, who said the starter was bad and had to order replacement. Wolverine power sent the repair estimate to an old email address and after a week, no phone call from them, i called them to see when Bobby was coming out to replace the starter and they tell me they are waiting on me for approval. I understand even though I told Bobby to order the starter, "dispatch" or whomever needs a signed approval but i could have signed that with Bobby but more importantly a down generator is a down generator. How about a phone call follow up or even clicking read receipt on the email to make an attempt to know i even received it. July 19th get an email starter is in be out on the 21st. Nope. canceled. July 26th we send a follow up email asking when we will be on the schedule, no reply. We did get an email from Wolverine accounting inquiring about past due invoices though which was amusing since one of them was for the preventative maintenance that was supposed to be done in the end of June but the generator was down. Even funnier is when they did come out to do the preventive maintenance they brought the wrong battery. They have been servicing this generator for 8 years. How do you order the wrong battery given the account history? Aug 6th we finally get a reply from Wolverine Power that all parts are in and they will be out Monday Aug 9th to get us back up and running. Nope, canceled again. Worst part is Wolverine is not proactive where Dispatch can email or call you to inform you of when you will be rescheduled. You have to constantly chase them down. 2 days have gone by and guess what a storm rolled through Michigan and 800,000 without power now across the State. Us included so now, higher priority services like hospitals or emergency services, rightfully so, will be Wolverine's priority so we sit in the dark and my assumption is it will be another 2 weeks before they get to us. Bottom-line, if you can find another reputable Generator Service company I would definitely go that route."

Todd L on August 2021

Wolverine Power Systems offers versatile and durable power generator products to industrial, commercial and residential markets.

"have used Wolverine Power Systems for eight years I now I believe and at all of my Michigan homes. This company's service has steadily been declining over the years to the point where I have no choice to cease doing business with them and to warn others of their extreme poor customer service. I have a generator down at a house since end of June 2021. Called emergency service, tech complained he already worked a 12 hour day and i had to beg him to come out and bribe with a bottle of whiskey. He did not take the bottle after the call. However, he was not able to fix the generator and furthermore he was not able to properly diagnose it so what was the point of the emergency call? Had another tech come out, Bobby, who said the starter was bad and had to order replacement. Wolverine power sent the repair estimate to an old email address and after a week, no phone call from them, i called them to see when Bobby was coming out to replace the starter and they tell me they are waiting on me for approval. I understand even though I told Bobby to order the starter, "dispatch" or whomever needs a signed approval but i could have signed that with Bobby but more importantly a down generator is a down generator. How about a phone call follow up or even clicking read receipt on the email to make an attempt to know i even received it. July 19th get an email starter is in be out on the 21st. Nope. canceled. July 26th we send a follow up email asking when we will be on the schedule, no reply. We did get an email from Wolverine accounting inquiring about past due invoices though which was amusing since one of them was for the preventative maintenance that was supposed to be done in the end of June but the generator was down. Even funnier is when they did come out to do the preventive maintenance they brought the wrong battery. They have been servicing this generator for 8 years. How do you order the wrong battery given the account history? Aug 6th we finally get a reply from Wolverine Power that all parts are in and they will be out Monday Aug 9th to get us back up and running. Nope, canceled again. Worst part is Wolverine is not proactive where Dispatch can email or call you to inform you of when you will be rescheduled. You have to constantly chase them down. 2 days have gone by and guess what a storm rolled through Michigan and 800,000 without power now across the State. Us included so now, higher priority services like hospitals or emergency services, rightfully so, will be Wolverine's priority so we sit in the dark and my assumption is it will be another 2 weeks before they get to us. Bottom-line, if you can find another reputable Generator Service company I would definitely go that route."

Todd L on August 2021


My Classic Car Trader LLC

312 Prospect Ave
2.00(
1
)

My Classic Car Trader LLC

312 Prospect Ave
2.00(
1
)
53 years of experience

Sales, Service & Rebuilding of Antique and Classic Car Components such as, Carburetors, Starters, Generators, Fuel Pumps, Double & Single Action Fuel Pump Rebuilding, Water Pumps, Hydraulic Top Pumps, Distributors, and DELCO Knee Action Shocks, We also carry a complete line of NOS and NORS parts. We offer FREE Technical advice for any YEAR Classic Car 609-462-7412

"Beware. They charged me double shipping even after I told them I would wait so I wouldn’t have to pay two shipping fees. The last item was a fuel pump that I had a problem with. I have made 4 calls to ask for help with no return call. Poor"

Frank H on July 2020

Sales, Service & Rebuilding of Antique and Classic Car Components such as, Carburetors, Starters, Generators, Fuel Pumps, Double & Single Action Fuel Pump Rebuilding, Water Pumps, Hydraulic Top Pumps, Distributors, and DELCO Knee Action Shocks, We also carry a complete line of NOS and NORS parts. We offer FREE Technical advice for any YEAR Classic Car 609-462-7412

"Beware. They charged me double shipping even after I told them I would wait so I wouldn’t have to pay two shipping fees. The last item was a fuel pump that I had a problem with. I have made 4 calls to ask for help with no return call. Poor"

Frank H on July 2020


Showing 1-10 of 11
Generator Install questions, answered by experts

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

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. 

If you’re wondering if you can use your electric vehicle as a backup battery, it depends on whether your EV is compatible with bidirectional charging. This technology allows energy to flow both ways, enabling vehicle-to-home (V2H) backup power, vehicle-to-load (V2L) for appliances and camping, and vehicle-to-grid (V2G) to support the power grid. Compatible EVs convert stored DC energy into usable AC power, helping reduce energy costs and enhance grid stability while providing emergency backup power.

You can determine what size generator you need by listing the various appliances it will power during an outage. Write down the start-up watt usage, and then add them all together. 

A 7,500-watt generator will run your refrigerator, freezer, well pump, and lighting circuits without a problem. However, you’ll need an extra 3,000 to 4,500 watts to run your water heater and another 5,000 to 25,000 watts to run your electric furnace. In these instances, a whole-home generator is your best bet for running your critical equipment.

As a safety measure, you should always turn off the main breaker while operating your generator’s backup breaker. In addition, you should also switch off all appliance breakers so you don't have a power surge when the main breaker turns back on. And finally, turning off the main breaker prevents back-feeding, which endangers utility workers with the risk of electrocution. Back-feeding could also destroy the electrical circuits of your neighbors if they use the same power network.

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The Rollin, MI homeowners’ guide to generator installs

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