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H & R Electric, LLC
4.2(
10
)
Fixed Generator - InstallPortable Generator - Install

Serving Litchfield, MN and surrounding areas

In business since 1985

"They know whole house generation very well. MN was having historical rain storms and I needed sump pump to run or flooding in the lower level of our house would occur. They responded and discussed what was needed and installed in less than a week. Two days after the install the power went out for 3 hours. the geni turned on and my lake home was fully operational from both AC units, wifi, garage door opener washer and dryer and of course the sump pump. Not cheep at 8,500 clams but I'm done having to think about it. This vendor was perfect in my book."
Recommended by85%of homeowners
Avatar for WM Electric, LLC
WM Electric, LLC
4.2(
5
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Litchfield, MN and surrounding areas

In business since 2017

Free estimates

Credit card accepted

"William is likeable, easy going, professional and courteous. Went above and beyond the normal. He brought electrical from street to tiny house. Included house, two travel trailers, etc. Worked with city for permits etc. I put all my faith in him and am happy to say I picked the right guy and company WM Electric LLC"
Response time10 mins
Recommended by100%of homeowners
Tamm Electric, LLC
0.5(
1
)
Fixed Generator - InstallPortable Generator - Install

Serving Litchfield, MN and surrounding areas

In business since 1989

Free estimates

We can take on a wide range of residential and commercial electrical projects to include; full installation for additions and remodels, wiring, panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients, and guarantee your satisfaction.

Generator Install questions, answered by experts

The amount of time a standby generator can run continuously is around 3,000 hours on average. However, standby generators can generally run indefinitely as long as they have a continuous fuel supply. Generators hooked up to a home’s natural gas supply are the best option for extended usage, as these won’t rely on a finite fuel supply based on how much you have in storage. Generators running on liquid propane or diesel won’t last as long, as these require fuel storage and regular refueling to stay running.

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.

Carbon monoxide emissions aren’t only dangerous to human life, but they also harm our planet. While natural gas generators emit lower levels of CO than other fuel sources, there are still ways to reduce emission levels. For example, shop around for an eco-friendly generator that complies with current emission standards. Also, make sure your generator is serviced regularly to avoid CO buildup. 

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.

Generators are safe to use as long as they are installed and operated correctly according to the manufacturer's recommendations. The most critical safety tips are to never use a portable or fuel-powered generator inside an enclosed space due to the risk of lethal carbon monoxide poisoning; always operate it outdoors where fumes can dissipate away from your home. Additionally, never attempt to connect a generator to your home’s electrical panel yourself—hire a professional to ensure the setup meets safety standards. Finally, avoid overloading the generator by not connecting more appliances than it is rated for, as this can damage your equipment or cause a fire.

The Litchfield, MN homeowners’ guide to generator installs

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