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Avatar for PM Technologies
PM Technologies
5.0(
4
)

Serving Union, 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%
35 neighbors recently requested a quote
Avatar for AAB Electric
AAB Electric
4.4(
8
)

Serving Union, MI and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Kane and Scott arrived on the planned day and completed our work in four hours. They were a half hour late from the planned start time, but Kane communicated to me that morning the delayed start time. We had two ceiling fans and two wall sconces, with switches, installed. They worked diligently and carefully, and everything looked great and worked perfectly when they were done. They cleaned up almost everything afterward, but left a lot of dust and some trash behind. We were happy with their work and cheerfully paid the money for which they asked."
Response time3 days
3 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Grand Bay Electric
Grand Bay Electric
4.2(
7
)

Serving Union, MI and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"They were very friendly and professional. They arrived on time and stayed until the work was completed and the results are amazing. I will definitely be in contact for future electrical projects."
New Generator
Old Generator
Installed Electrical Outlets
Electrical Installation
Underground Wiring

+2

Response time8 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for Charles Knox
Charles Knox
New to Angi

Serving Union, MI and surrounding areas

Approved

Free estimates

*Hang TV\n*Outlet testing repair \n*celling fan \n*garage door opener \n*point to point internet to pole barn. \n*appliance installation \n\n I have 31 years experience in low voltage wire running for surveillance cameras, cat5, & coax\n Have built several decks in porches as well as enclosed three season room. \n I have experience with plumbing window and door installation vinyl siding and roofing. \n\nIf it's something I don't want to take on I will let you know. Feel free to ask.

2 neighbors recently requested a quote
Avatar for Martell Electric, LLC
Martell Electric, LLC
4.4(
41
)

Serving Union, 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
Hot Tub Joe's
4.8(
97
)

Serving Union, MI and surrounding areas

In business since 2011

Emergency services offered

Credit card accepted

"Excellent, Joe is very knowledgeable and professional. He is very responsive via text message which is great for me! He was on time, coached me on new chemicals and how to best utilize them to maintain the life of the hot tub. I would highly recommend him although he seems to be very busy with a long list of current clients. He is 2+ weeks out so I would advise reaching out to him in advance and not waiting until the last minute or you may be out of luck."
Recommended by96%of homeowners
Showing 1-10 of 48
Generator Install questions, answered by experts

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

Yes, natural gas generators can work without electricity. Natural gas generators are a common type of backup or whole-house generator that operates when the electrical grid isn’t working. The trick is using a transfer switch (which usually needs to be installed with the generator) that safely switches the home electrical system from the power grid to generator power when needed.

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

Most homeowners won't be able to claim a home generator as a tax write-off. However, a whole-house generator may be tax-deductible in certain situations depending on its purpose. For instance, if it's needed to power essential medical equipment, it may qualify as a medical expense deduction. Also, in some cases, businesses can deduct a generator as a business expense if it supports operations. Always consult a tax professional to determine eligibility based on your specific circumstances and the applicable IRS regulations.

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 Union, MI homeowners’ guide to generator installs

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