What size generator do I need for a 1500-square-foot house?

• <div><p>A 1,500 square foot home will likely need a 15kW to 20kW generator. When deciding on whole-house generator size, add up the <a href="https://www.angi.com/articles/how-many-watts-house.htm">total wattage</a> 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.</p></div>

Get matched with top generator install pros in Mcmillan, MI

Q: Can I use a generator to charge a back-up battery?

• <div><p>Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.</p></div>

Q: Can a 10,000-watt generator run a central AC unit?

• <div><p>A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.</p></div>

Q: What are the disadvantages of a standby generator?

• <div><p>While standby generators provide essential backup power, they can fail when you need them most due to lack of maintenance, fuel supply issues, dead batteries, electrical problems, or improper installation. To avoid costly failures, professional installation and regular maintenance are crucial. Licensed technicians ensure safety, uphold warranty requirements, comply with regulations, and provide expert servicing.</p></div>

Q: What are the benefits of a portable generator?

• <div><p>Portable generators provide backup power for essential appliances during outages and are easy to relocate.</p></div>

Enter your zip and get matched with up to 5 pros

Need a pro for your generator install project in Mcmillan, MI?

Select your specific project to find the pro for you.

Verified Reviews for Generator Install pros in Mcmillan, MI

*The Angi rating for Generator Install companies in Mcmillan, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

*The HomeAdvisor rating for Generator Install companies in Mcmillan, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

Last update on January 10, 2025

Reviewed in January 2025
Dave Pearson, Matt, & Jacy were prompt, friendly, respectful to us and our home, professional, and worked hard all day. They hauled out trash & muck from the crawlspace, leveled it, did mold abatement, installed two new sump pumps, dug new drainage inside and outside, insulated the foundation...
Groundworks
Request a quote
Reviewed in February 2024
Dion was very personable and informative. He did a good job. We are very happy with his work on our carpets. Dion gave us a small sample of cleaning our tile. We have booked with him to come back and clean the tile, and feel we were quoted a fair price. Thanks Dion.
Over And Beyond
Request a quote
Reviewed in October 2022
Alex, Eric and Chris did a great job incapsulating our crawl space. No mess was left. Outstanding job!
Groundworks
Request a quote
Reviewed in July 2021
What an amazing Kyle and his crew have done for me and my family! Talk about prompt and honest workers they made me feel at ease Kyle was always on top of things and I really never had to ask a question he payed everything out like the professional that he is! Feel comfortable with straight...
Straight Edge Concrete and Excavation, LLC
Request a quote
Reviewed in June 2021
Everything went very well would hire again if needed
Zietlow Stump Grinding Services, LLC
Request a quote
Reviewed in April 2021
Wonderful work, communication. They did MORE than we asked for a lower cost than estimated.
Landmark Painting Services
Request a quote
Reviewed in November 2019
Wow! Wow! Wow! We had a complete outdoor landscaping and deck remodel! We finally took the leap and got it done after years of pondering. We couldn't be happier! We are so excited about our newly rebuilt paver deck, the expansion of our driveway with pavers, backyard landscaping, plus...
Moccia Lawn and Landscaping, Inc.
Request a quote
Reviewed in May 2018
Justin from Speedy Appliance Repair did an outstanding job on my refrigerator repair and installing a new dishwasher. He was quick to diagnose the problem, and explained everything thoroughly to me. The work was done very efficiently and he cleaned up completely. The cost of the work was...
Michigan Speedy Appliance Repair
Request a quote
Reviewed in August 2015
Bruce was always on time, coordinating and communicating his schedule through phone calls, emails and text messages. He spent a lot of time installing cabinet doors, veneer, trim, hardware and drawers for a professional looking job. I had no problem allowing the Contractor into my home, even...
Your Designs LLC
Request a quote
Reviewed in March 2014
The whole process was outstanding. I was hesitant to go there after seeing the bad review, however a company's website of a product we were looking for listed them as the only carriers. We had been to several other stores in the area and out of everywhere, Bodamer Brothers was the most...
Bodamer Brothers Flooring
Request a quote

Find Generator install pros in Mcmillan

Swick Heating Cooling Plumbing & Electrical

4.0(

)

Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Mcmillan, MI and surrounding areas

Approved (Corporate)

In business since 1977

Free estimates

Emergency services offered

Swick provides home services to Marquette, Negaunee, Ishpeming, Munising and the greater area of the Upper Peninsula of Michigan. Our services include Heating & Cooling, Electric, Plumbing, Electric Stove & Fireplace and related home services. Quality doesn't cost, it pays!

56 neighbors recently requested a quote

Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+2 more

Serving Mcmillan, MI and surrounding areas

In business since 2022

Free estimates

Credit card accepted

"yes he was very good, he knew what he was doing and got the job done in a timely manner and cleaned up after he was done."

Response time2 days

Request Quote

Wayne's Electrical Services

New to Angi

Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Mcmillan, MI and surrounding areas

In business since 1995

Free estimates

Wayne's Electrical Services, is a fully licensed and insured electrical company that can assist you with all of your electrical needs. We carry over 22 years of experience. We strive to meet and exceed all of your expectations and look forward to doing business with you.

Request Quote

Generator Install questions, answered by experts

Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.

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.

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

While standby generators provide essential backup power, they can fail when you need them most due to lack of maintenance, fuel supply issues, dead batteries, electrical problems, or improper installation. To avoid costly failures, professional installation and regular maintenance are crucial. Licensed technicians ensure safety, uphold warranty requirements, comply with regulations, and provide expert servicing.

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

The Mcmillan, MI homeowners’ guide to generator installs

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

See all articles

Taylor Freitas
•
Sep 1, 2026Sep 1, 2026
How Much Does a Whole-House Generator Cost? [2026 Data]
The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.
Alison Kasch
•
Jul 10, 2026Jul 10, 2026
How Much Does It Cost to Install a Generator Transfer Switch? [2026 Data]
The cost to install a generator transfer switch depends on several factors. Our guide will help you understand all of the costs.
Alison Kasch
•
Jul 8, 2026Jul 8, 2026
How Much Does a Natural Gas Generator Cost? [2026 Data]
Natural gas generators are whole-home standby generators that are connected to your home’s natural gas line. The average cost for a natural gas generator is $12,000.
Dan Simms
•
May 21, 2026May 21, 2026
How to Hire a Generator Installer
Generators should give you peace of mind, but you’ll only get that if your installer knows what they’re doing. Learn how to hire a pro and what red flags to look for.
Heather Ayer
•
Jul 8, 2026Jul 8, 2026
Whole-House Generator Installation: A Complete Guide
Whole home generator installations require a professional hand. Read this guide to help you decide which generator is best for your home.
Angi
•
Aug 22, 2026Aug 22, 2026
Generator Installation: Everything You Need to Know
Thinking about a generator installation? Learn about backup power options, costs to expect, and how to hire the right local pro to keep your home running.