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Avatar for LSVG Electrics Inc
LSVG Electrics Inc
4.8(
57
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Dekalb, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Wasn’t positive that a battery was needed until they arrived to do the oil change so had to wait a couple of days until new battery arrived but they came back as soon as it did and finished everything they promised. I very satisfied with the work and would hire them again without hesitation"
Electrical Project
Electrical Project
Electrical Project
Electrical Project
Electrical Project

+589

Response time7 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
5.0(
5
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Dekalb, IL and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

We are the experts in the field of Whole Home Generator Sales and Installation, with over 20 years of experience in the game.\nWe provide turn-key installation by licensed professionals - 24 hour emergency service - Remote Monitoring - Long term maintenance and service by factory trained technicians.

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+3

39 neighbors recently requested a quote
Avatar for Enable Electric
Enable Electric
4.8(
3
)
Fixed Generator - Install

Serving Dekalb, IL and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"My experience working with Carlos at Enable Electric was seemless. Carlos was extremely attentive with communication, on time for visits and completed my electrical panel swap successfully. I highly recommend Enable Electric and will most definitely be hiring them again for additional projects in the very near future!"
Response time5 hrs
Recommended by100%of homeowners
Avatar for Electric Mechanical Solutions LLC
Electric Mechanical Solutions LLC
5.0(
26
)
Fixed Generator - Repair

Serving Dekalb, IL and surrounding areas

In business since 2005

Emergency services offered

Warranties offered

"Very professional. He installed two chandeliers, worked safely, and performed a complete electrical system check. He was responsible, friendly, and gave me a good price. I recommend him."
Lighting installation
Lighting installation
Lighting installation
Lighting installation
Lighting installation

+39

Response time4 hrs
Response rate93%
Recommended by4%of homeowners
Showing 1-10 of 32
Generator Install questions, answered by experts

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.

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. 

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.

It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around $300 on average, while installing a new whole-house generator costs around $5,000 on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.

Here’s what you can run with different wattages and types of generators:

Portable generator:

  • 2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. 

  • 4,000 watts will keep two large appliances operating and a few smaller devices.

  • 8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.

Partial to whole-house generator:

  • 20,000 watts and above will make it seem like your home’s power is still on.

The Dekalb, IL homeowners’ guide to generator installs

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