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Avatar for Mr. Electric of Golden CO
Mr. Electric of Golden CO
5.0(
17
)

Serving Keystone, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Mr Electric of Golden put together an amazing team to solve a challenging problem at my mountain home. I wouldnâ t hesitate to hire them again. Many thanks to Clay, Liz, Randy, Brandt and Chris"
Electrical Safety
Repairs
Installations
Another Quality Job Completed
Wall where the customer requested the charger

+25

Response time2 hrs
Response rate99%
7 neighbors recently requested a quote
Avatar for RES Electric
RES Electric
4.8(
25
)

Serving Keystone, CO and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

"Exceptional service! Itâ s very difficult to find this quality yet alone â availableâ up here in the mountains. All 5 stars are deserving and MORE!"
Response time1 day
9 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Ten Mile Electric LLC
Ten Mile Electric LLC
4.9(
8
)

Serving Keystone, CO and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"TJ was a great electrician to work with. He’s punctual and professional with affordable prices. He’s my go to guy for electrical issues and he even helped with troubleshooting my solar panels issue when another company messed up my install from two years ago. I didnt even know it but he caught it and fixed it. Super impressed."
Response time2 days
Recommended by100%of homeowners
Avatar for True Bloom Energy Solutions LLC
True Bloom Energy Solutions LLC
5.0(
4
)

Serving Keystone, CO and surrounding areas

Approved

Credit card accepted

We take great pride in 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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

4 neighbors recently requested a quote
Avatar for Accent Tel USA
Accent Tel USA
4.9(
12
)

Serving Keystone, CO and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Joe, Mark, and Their Team did a Splendid Job for Us on this Business Phone Line Install. There are Very Knowledgeable and provided the Needed Assessment and "Fix" in a Very Timely Manner. I Highly Recommend Accent Tel USA! God Bless You! Philippians 1:3-6! Have a Wonderful Day in the Neighborhood & "Stay on the Nice List"! :)"
Response time3 hrs
Response rate99%
5 neighbors recently requested a quote
Avatar for Brook Forest Electric
Brook Forest Electric
5.0(
3
)

Serving Keystone, CO and surrounding areas

Approved

In business since 2020

Free estimates

Offers commercial services

"Excellent experience with Brook Forest Electric. It’s rare to find a local team that truly understands the high stakes of industrial operations, but they nailed it. We brought them in for some specialized troubleshooting on our controllers and a MUCH needed panel upgrade at our facility. They were professional, stayed focused on our safety protocols, great at communication, and kept our uptime a priority so we didn't lose our valuable production time, especially with us being a smaller local business. I was so impressed with their commercial work that I actually had them out to my house for a residential fix last week. Even on a smaller scale, they brought that same industrial-level precision and attention to detail. It’s great to have a dependable, locally owned specialist, and I highly recommend them for both your business and beyond! Thank you!"
Response time4 hrs
1 neighbors recently requested a quote
Redrocks Roof and Solar LLC
4.1(
9
)

Serving Keystone, CO and surrounding areas

Approved

In business since 2022

Free estimates

Warranties offered

"Really responsive and prompt, especially in the installation phase. We did have a couple of small hiccups, which in my mind a homeowner should expected on literally any remodeling project, and they were resolved quickly. Communication on final details like inspections could have been smoother, but overall the whole process was very clear, well managed, and well executed. Happy with the choice to go with Red Rocks."
Response time1 day
Response rate89%
Recommended by75%of homeowners
Avatar for Sterling IT Services, Inc.
Sterling IT Services, Inc.
5.0(
4
)

Serving Keystone, CO and surrounding areas

Approved

In business since 2002

Free estimates

"I've had the pleasure of working with Terry for IT support, and he has been fantastic. He’s knowledgeable, reliable, and always goes the extra mile to ensure everything runs smoothly. No matter the issue, he finds a solution quickly and efficiently. On top of that, he’s great to work with—friendly, approachable, and truly cares about helping his clients. It’s been a great experience, and I highly recommend him to anyone looking for dependable IT services."
Response time1 day
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Showing 1-10 of 86
Generator Install questions, answered by experts

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. 

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.

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

The cost to install a whole-house generator averages $5,200, with a typical price range of $1,500 to $8,900. However, total costs can vary from $400 for a small portable unit to over $18,000 for a large-capacity system. The most significant cost factor is the generator's size and capacity, but other variables include the brand, fuel type, and labor for assembly and installation.

Generator costs can be broken down by type:

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

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

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

To avoid paying for more power than you need, consider hiring an electrician to calculate the electrical load for your essential appliances. It is also recommended to get at least three quotes to find the best deal for your specific needs and budget.

Whole-house generators can run continuously for extended periods, even for weeks at a time (around 400 to 500 hours), as long as they have a sufficient fuel supply. However, this type of extensive use will increase wear and tear and can shorten the generator's overall lifespan. During long periods of operation, it's important to check and refill the engine oil as needed, potentially as frequently as daily depending on the model. If your generator uses a fuel tank, ensure it is kept full to prevent unexpected shutdowns.

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