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

Avatar for Montani Mechanical Group Llc
Montani Mechanical Group Llc
4.4(
48
)
Fixed Generator - InstallFixed Generator - Repair

Serving Ona, WV and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

Montani Mechanical Group, LLC is a locally owned York Certified Comfort Expert serving Charleston, Teays Valley, and Hurricane. Our licensed techs handle heating, cooling, plumbing, electrical, and Generac generators — we install and service all brands. 24/7 emergency service. Customer satisfaction is our top priority.

Additional Photos
Additional Photos
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+38

32 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Gleason's Home Repair
Gleason's Home Repair
New to Angi
Portable Generator - Repair

Serving Ona, WV and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

I’m a reliable, detail-oriented contractor dedicated to delivering quality work that lasts. I take pride in doing the job right the first time, whether it’s a small repair or a full project. I believe in honest communication, fair pricing, and showing up when I say I will. My goal is simple: leave every customer satisfied and confident in the work done on their home.

Breaker box upgrade
Breaker box upgrade
Breaker box upgrade
Addition
Addition

+2

Avatar for RDP Electrical Services Plus, LLC
RDP Electrical Services Plus, LLC
5.0(
21
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Ona, WV and surrounding areas

In business since 2009

Emergency services offered

Credit card accepted

"He installed the generator and serviced it for $5777.00 and everything was great. We then purchased a new home in January 2017 and he was able to move the generator and reinstall it at our new home for $1,016.00. It went perfectly. They were great people doing a great job because they knew what they were doing. The generator still works and we have had no problems. I would recommend him to everyone."
Recommended by100%of homeowners
Avatar for Montani Mechanical Group LLC
Montani Mechanical Group LLC
4.9(
39
)
Fixed Generator - InstallFixed Generator - Repair

Serving Ona, WV and surrounding areas

In business since 2016

Free estimates

Emergency services offered

"We have used MMG several times. From the installation of our heat pump, to repairing the supply lines on our water heater. We always receive fast courteous service. I would definitely recommend them to anyone that requires any of the services they offer."
After
Lowboy Hot Water Tank Installation
Before and After
After
Drain Cleaning

+38

Recommended by89%of homeowners
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Generator Install FAQs, answered by experts

Potential benefits of using a natural gas generator include reducing your carbon footprint, lower likelihood of carbon monoxide exposure, budget-friendly operating costs, and low-maintenance, continuous fuel supply. Some possible drawbacks, though, include higher initial installation costs, dependency on a natural gas supply, and installation complexity. Keep in mind that pros and cons will vary based on the type and brand of natural gas generator. 

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

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.

Yes, installing a generator usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly.

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

The Ona, WV homeowners’ guide to generator installs

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