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Verified Reviews for Generator Install pros in Mountain View, HI

*The Angi rating for Generator Install companies in Mountain View, HI 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 Mountain View, HI 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 April 19, 2026

Find Generator install pros in Mountain View

Avatar for DKN Electrical
DKN Electrical
4.9(
96
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Mountain View, HI and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Small jobs welcome

Credit card accepted

"Whole house electrical wiring. Kyle is smart and quick. He is willing to go above and beyond to ensure good results. Easy to work with. Hired him again for my next project!"
OVERVIEW OF KITCHEN PLUS LIVING
KITCHEN/LIVING
Upgrade of Fixtures
Upgrade of Fixtures
Upgrade of Fixtures

+6

Response time1 day
Response rate93%
2 neighbors recently requested a quote
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Avatar for Ultimate Electric LLC
Ultimate Electric LLC
4.3(
6
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Mountain View, HI and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Best electric company in Kona! I’m absolutely blown away by the level of professionalism and dedication Ultimate Electric provided me on many of my renovation projects. 100% satisfied with Daniel and his crew. He is always on time every time, consistently fast, easy to deal with and fairly affordable. I highly recommend!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+34

3 neighbors recently requested a quote
Recommended by100%of homeowners
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Big Patriot Home Remodeling
New to Angi
Generator - Install - For Business

Serving Mountain View, 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
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Blaz's Handyman Services
New to Angi
Portable Generator - Repair

Serving Mountain View, 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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FIX'd The Handyman
New to Angi
Portable Generator - Repair

Serving Mountain View, HI and surrounding areas

In business since 2021

Free estimates

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

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Generator Install questions, answered by experts

The average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.

Cost breakdowns by generator type are typically as follows:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500–$2,000

  • Partial-Home Generators (9kW–20kW): $2,000–$6,500

  • Whole-House Generators (22kW–48kW): $5,000–$18,000

To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.

You may need a permit for a portable generator if you’ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.

To power a central air system during a power outage, the whole-house generator will need to be at least 5,000 watts, and this number will significantly increase for larger units. Check the specific wattage requirements of your AC unit to choose the right generator size. Consider consulting a generator installer to ensure your whole-house generator meets your electrical load needs.

Generally, you’ll want to keep between 60 and 70 feet between the generator and the transfer switch. There are a few reasons for this, including:

  • The distance reduces the noise coming from the generator into your home.

  • It increases efficiency because you won’t have a voltage drop from this short of a distance.

  • Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window. 

Natural gas generators are designed to run for extended periods of time, such as power outages during a natural disaster. Since there’s no limit to the supply of natural gas, they don’t need to stop for refills. However, generators do need maintenance, including pauses to check and add oil. Constantly running them will also cause a lot more wear and tear, leading to a shorter lifespan.

The Mountain View, HI 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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