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*The Angi rating for Generator Install companies in Calumet, 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 Calumet, 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 July 03, 2026

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Avatar for Swick Heating Cooling Plumbing & Electrical
Swick Heating Cooling Plumbing & Electrical
4.0(
6
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Calumet, 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!

67 neighbors recently requested a quote
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RP Olson Electric, Inc.
5.0(
2
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Calumet, MI and surrounding areas

In business since 1989

Free estimates

"I can’t say enough good things about Olson Electric and Ron Olson. On the Friday of a holiday weekend, with a houseful of company, we discovered that our dishwasher had completely lost power. Not exactly the kind of problem you want heading into a busy weekend. I called Ron, and he came right over. He took the time to troubleshoot the issue, quickly diagnosed a fried circuit board, and helped us figure out the best path forward. We ultimately decided to purchase a new dishwasher, and Ron came right back the very same day to install it. That kind of responsiveness and service is almost unheard of these days. Ron was professional, knowledgeable, kind, and incredibly helpful from start to finish. Best service ever, and a genuinely super nice guy. I highly recommend Olson Electric."
Response time3 hrs
Recommended by50%of homeowners
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Generator Install questions, answered by experts

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. 

In some situations, yes. Never try to put biofuel into any home generator without checking the specifics first. If a generator has the ability to run on diesel, it can also run pure biofuel (the clear kind made from seed oils, for example). But if you are using biofuel made from animal fats or vegetable oils, the generator will need significant modifications before it can handle a sludgier type of biofuel.

Potential benefits of using a natural gas generator include reducing your carbon footprint, lower likelihood of carbon monoxide exposure, budget-friendly operating costs, and low-maintenance, continuous fuel supply. Some possible drawbacks, though, include higher initial installation costs, dependency on a natural gas supply, and installation complexity. Keep in mind that pros and cons will vary based on the type and brand of natural gas generator. 

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.

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.

The Calumet, MI homeowners’ guide to generator installs

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

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