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Best generator install pros near Hilo, HI

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Top-Rated Generator install pros in Hilo - Updated Nov 2026

Avatar for Ultimate Electric LLC
Ultimate Electric LLC
4.3(
6
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Hilo, HI and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Daniel was very responsive from the start and called, and we immediately set an appointment to check all the work needed to be done. He reviewed what was required so he had all material and hardware needed to complete the job. He's very professional and did a thorough check of all the areas. He answers his calls and texts and responds when he can which is usually within a few minutes or couple hours. And if some happens where he has to change his schedule, he lets you know right away. Both parties do the best to adjust to changes and it works out great. I highly recommend Ultimate Electric!"
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+34

3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Z's Electic, LLC
Z's Electic, LLC
4.8(
7
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Hilo, HI and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"He was a great help and planning, always responded to my test very easy to work with , even though I had a un-expected change of circumstances and he was not able to do the installation he was very gracious about me having to cancel. Rod Macland"
Response time1 day
Recommended by100%of homeowners
Reiny P K Carvalho
New to Angi
Fixed Generator - InstallFixed Generator - Repair

Serving Hilo, HI and surrounding areas

In business since 2023

Free estimates

Credit card accepted

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Big Patriot Home Remodeling
New to Angi
Generator - Install - For Business

Serving Hilo, HI and surrounding areas

In business since 2020

Free estimates

Emergency services offered

Big Patriot Home Remodeling is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

Response time20 mins
Blaz's Handyman Services
New to Angi
Portable Generator - Repair

Serving Hilo, HI and surrounding areas

In business since 2021

Credit card accepted

Offers commercial services

Blaz's Handyman Services, is committed to excellence in every aspect of our business! We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

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Generator Install FAQs, 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.

In most cases, there are no tax credits available for home generators. However, that’s a general statement that applies to federal tax credits, so you might have access to state or local tax incentives. You can check the Database of State Incentives for Renewables & Efficiency (DSIRE) for more information about your area. If you hire a reliable home generator installer, they should also know if there are any state or local perks you can use to reduce your installation costs, including tax breaks and rebates.

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.

Many services include assembling the unit and securing it in the window. Confirm with your provider.

While the rating will tell you how many watts the refrigerator needs at the peak of its cycle, it requires additional wattage to start. At the bare minimum, you’ll need a 1,500-watt generator to get the fridge up and running after a blackout. A 2,000-watt generator should be sufficient for most home refrigerators.

The Hilo, HI homeowners’ guide to generator installs

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