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Best generator install pros near Cedar Grove, WV

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Top-Rated Generator install pros in Cedar Grove - Updated Nov 2026

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

Serving Cedar Grove, 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. Voted Charleston Gazette-Mail Best in the Valley 6 years running, including 2026.

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+38

33 neighbors recently requested a quote
Recommended by71%of homeowners
B and J Electrical Services
5.0(
2
)
Portable Generator - Repair

Serving Cedar Grove, WV and surrounding areas

Approved

In business since 2009

Free estimates

Small jobs welcome

B AND J ELECTRICAL SERVICES, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 10 years of experience serving Wharton and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

Response time2 hrs
Response rate95%
Recommended by100%of homeowners
Avatar for Empire Home Solutions LLC
Empire Home Solutions LLC
5.0(
5
)
Generator - Install - For BusinessPortable Generator - Repair

Serving Cedar Grove, WV and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"Zach did a great job and completed everything he said he would. The price was comparable to others, with one added plus- no surprises! He charged exactly what he said he would. We are very happy with the results. Holes for butterfly anchors were visible and not filled, hence the 4.5, but this was in a garage and we easily puttied them after he finished. I would definitely recommend Empire Home Solutions and will call them again for future home upgrades."
Response time1 day
Recommended by100%of homeowners
Fishers of Men Generator Repair
5.0(
2
)
Fixed Generator - RepairGenerator - Repair - For Business

Serving Cedar Grove, WV and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"I am more than pleased with the service I received from this company. Nathan is by far a caring human being. When the big companies couldnâ t help me out, he was there to service My Generac and he has been there ever since whenever I need him. Iâ ve been using this company for at least the last four years. And will continue to gladly call him when needed."
Response time5 hrs
Recommended by100%of homeowners
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Generator Install FAQs, 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.

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.

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.

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

A portable generator can supply power to selected appliances and circuits in a home, but it's generally not designed to handle the entire household's electrical needs simultaneously. Portable generators have limited wattage capacity, so they are only designed to power essential devices and electronics temporarily until local power is restored. If your power needs outweigh the capabilities of a portable generator, consider installing a whole-home generator instead.

The Cedar Grove, WV homeowners’ guide to generator installs

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