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Avatar for Kilowatt Electric LLC
Kilowatt Electric LLC
4.7(
85
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Black Mountain, NC and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Job was reviewed, estimate/quote was made. Estimate cost was considered a little too hi, so removed a couple items wanting done. Lead estimator was informed of new HVAC installation, but did not suggest replacement of outside disconnect with extension until called back after HVAC contractor required it to be completed. Learned later this is normally completed and should have been explored & suggested when evaluation for job was discussed. Electric company came back out immediately and corrected the situation, but cannot help but believe this additional trip and effort cost a little bit more then necessary."
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+12

Response time1 day
Response rate100%
4 neighbors recently requested a quote
Blue Ridge Electric
5.0(
12
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Black Mountain, NC and surrounding areas

Approved

In business since 2020

Free estimates

Offers commercial services

"I had an excellent experience with Blue Ridge Electrical! They did a fantastic job installing my car charger. The team was professional, efficient, and very knowledgeable. They completed the installation quickly and ensured everything was working perfectly. I highly recommend their services for anyone in need of electrical work!"
Response time1 day
7 neighbors recently requested a quote
Recommended by58%of homeowners
Avatar for Eads Electric LLC
Eads Electric LLC
5.0(
4
)
Fixed Generator - Install

Serving Black Mountain, NC and surrounding areas

Approved

In business since 2025

Free estimates

"I have used Eads Electric now for 5 jobs and am planning on using them again for my master bathroom remodel again next year. They worked with us on our basement remodel post Helene and were upfront about the cost and even found us ways to shave down the costs. They did our generator outlet, our kitchen remodel, the bathroom exhaust/light, a ceiling fan in the spare bedroom and several light switches and outlets in the bedroom. Their prices were very reasonable and both men were respectful of our home. They even came after work so we didn't have to take the day off of work. Best of all they showed up when they said they would, keep cost within quoted prices and didn't mind when our three cats wanted to help with the work."
Project Photos
7 neighbors recently requested a quote
Avatar for iFix Electric, LLC
iFix Electric, LLC
5.0(
2
)
Fixed Generator - Install

Serving Black Mountain, NC and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

At iFix Electric, we specialize in providing top-notch residential electrical services with a commitment to excellence and customer satisfaction. Our team of licensed and experienced electricians is dedicated to ensuring your home's electrical systems are safe, reliable, and efficient. Whether you need routine maintenance, emergency repairs, or complete electrical installations, iFix Electric is your trusted partner for all your electrical needs. We pride ourselves on our transparent pricing, punctual service, and attention to detail, ensuring every job is done right the first time. Experience the best in residential electrical services with iFix Electric ? where quality and customer service come first.

5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Mike's Heating & Cooling
Mike's Heating & Cooling
4.7(
136
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Black Mountain, NC and surrounding areas

In business since 1990

Free estimates

Emergency services offered

"Mike's quoted 3 systems; the multi-zone Mitsubishi hyper-heat system was about twice the cost of the Trane single-zone std. heatpump. The quote from a 2nd HVAC installer for a standard Carrier single-zone heatpump system was only $1000 less than Mike's Mitsubishi system. I wasn't originally considering the Mitsubishi because of the cost but the Carrier-system quote changed my mind. It took two days to complete. The installers were efficient, professional and amiable. They did a good job and took the time they needed to install the equipment correctly and make it look good. The condensor unit was delivered to Mike's with a dent; they gave me the option of a price break or getting another unit shipped next-day. The Mitsubishi system they installed operates much differently from the 13 year old standard-heatpump-system it replaces; before they left, the technician took the time to explain what to expect regarding the system's operation and encouraged me to contact Mike's if I had any questions or concerns."
Trane XR13 Heat Pump System
(2) Trane XL16i Heat Pump Systems
(2) ClimateMaster Geothermal Heat Pump Systems
Recommended by97%of homeowners
Showing 1-10 of 41
Generator Install questions, answered by experts

With proper maintenance, a whole-house generator can last between 20 and 40 years. The specific lifespan depends on how often and for how long the generator is used, and some models may have their life expectancy rated in hours of operation. To maximize its lifespan, expect to spend around $150 to $300 per year for annual maintenance checks from a qualified technician. During these checks, a technician will inspect the engine filter, starting mechanism, fuel, lubrication, and coolant levels. Consulting your installer and choosing a low-impact fuel like natural gas or diesel can also help ensure your generator lasts as long as possible.

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. 

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.

While standby generators provide essential backup power, they can fail when you need them most due to lack of maintenance, fuel supply issues, dead batteries, electrical problems, or improper installation. To avoid costly failures, professional installation and regular maintenance are crucial. Licensed technicians ensure safety, uphold warranty requirements, comply with regulations, and provide expert servicing.

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.

The Black Mountain, NC homeowners’ guide to generator installs

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