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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon10
    Verified generator installs reviews

Find Generator install pros in Mattawan

Avatar for Electrical Innovations LLC
Electrical Innovations LLC
5.0(
5
)

Serving Mattawan, MI and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"Jarod did an excellent job. Completed an EV outlet install in a few hours. He came out to do an estimate and had all the supplies he needed in his truck and hired him on the spot. Fair pricing and very neat a clean work. EV outlet works like a charm. Will definitely hire him to do future work at my house."
Basement remodel
Landscape lighting
Network system
Local Landscape Lighting Project
Local Landscape Lighting Project

+21

Response time2 days
24 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for PM Technologies
PM Technologies
5.0(
4
)

Serving Mattawan, MI and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"We just had the generator installed today and are so pleased with the guys from PM Technologies from the electricians, helpers, and Ken the salesman. We couldn't have asked for nicer people to do our job."
Additional Photos
Additional Photos
20KW Kohler
Response time1 day
Response rate95%
46 neighbors recently requested a quote
Avatar for Quantum Electric
Quantum Electric
4.8(
52
)

Serving Mattawan, MI and surrounding areas

In business since 2011

Free estimates

Small jobs welcome

"The entire project was such a great experience. From the moment I first requested a quote online, Mike has been very responsive (within minutes) and so great to deal with. After talking to a few references provided to me, I decided to proceed with a whole house generator install and new power to my shed out back. They easily worked around my schedule since this is a vacation home. They installed everything in 1.5 days and arrived on time as promised. The entire team was such a pleasure to work with. They prided themselves in making sure they left the place as clean as possible. Don't be swayed by a lack of online reviews. Highly recommend you give them a shot!"
Downtown Lighting
Response time1 day
Response rate93%
Recommended by94%of homeowners
Avatar for Electrical Zone Enterprises, Inc.
Electrical Zone Enterprises, Inc.
4.7(
18
)

Serving Mattawan, MI and surrounding areas

In business since 1983

Free estimates

Emergency services offered

"These guys did a fantastic job: they were organized and punctual, offered a great product, and provided education on how to use the generator. They even installed an extra conduit without my requesting that they do so in case in the future additional wiring might be required under the driveway, Nick is a real professional and Amber in the office keeps the ship sailing!!"
Generac Generator
Generator on side hill
Recommended by100%of homeowners
Avatar for Fuller Electric LLC
Fuller Electric LLC
5.0(
34
)

Serving Mattawan, MI and surrounding areas

In business since 2022

Free estimates

Emergency services offered

"Quick, affordable, and suggests options where appropriate instead of just forging ahead. He's our go-to for anything electrical and recommend him to everyone!"
Response time2 days
Response rate94%
Recommended by18%of homeowners
Avatar for Martell Electric, LLC
Martell Electric, LLC
4.4(
41
)

Serving Mattawan, MI and surrounding areas

In business since 2009

Free estimates

Credit card accepted

"They promptly installed two generators, one for each house, and walked through the app install. They called me a year later to schedule yearly maintenance. Great all the way around."
Response time2 days
Recommended by94%of homeowners
Showing 1-10 of 22
Generator Install questions, answered by experts

The cost to install a whole-house generator averages $5,200, with a typical price range of $1,500 to $8,900. However, total costs can vary from $400 for a small portable unit to over $18,000 for a large-capacity system. The most significant cost factor is the generator's size and capacity, but other variables include the brand, fuel type, and labor for assembly and installation.

Generator costs can be broken down by type:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500 to $2,000

  • Partial-Home Generators (9kW–20kW): $2,000 to $6,500

  • Whole-House Generators (22kW–48kW): $5,000 to $18,000

To avoid paying for more power than you need, consider hiring an electrician to calculate the electrical load for your essential appliances. It is also recommended to get at least three quotes to find the best deal for your specific needs and budget.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

Natural gas and electricity rates vary significantly based on location, and pricing can change over time, too. It’s possible that in locations where natural gas is particularly inexpensive, it will cost less than grid-based electricity will. However, you should also factor in the generator’s initial costs and maintenance needs, as well as its noise level and if it can comfortably power all your home appliances.

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.

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

The Mattawan, MI homeowners’ guide to generator installs

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