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Avatar for Mr. Electric of Golden CO
Mr. Electric of Golden CO
5.0(
17
)
Portable Generator - Install

Serving Derby, 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 Productive Electric, LLC
Productive Electric, LLC
4.9(
14
)
Generator - Install - For Business

Serving Derby, CO and surrounding areas

Approved

In business since 1992

Free estimates

Credit card accepted

"Tom was great at installing my RV outlet. Out of the 3 different quotes I received, he was able to get it done without trying to talk me into more expensive options. He was also accommodating with my somewhat busy schedule and very responsive throughout the install planning process. I would highly recommend Productive Electric."
Response time1 day
12 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for True Bloom Energy Solutions LLC
True Bloom Energy Solutions LLC
5.0(
6
)
Fixed Generator - Install

Serving Derby, 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.

12 neighbors recently requested a quote
Avatar for Rapid Energy Solutions, LLC
Rapid Energy Solutions, LLC
4.7(
12
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Derby, CO and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

"Woman who called me to give me more info and schedule was excellent and very friendly, great communication with her. The owner, I believe, who came to look at the job and give me a bid was professional and efficient as were the 3 guys who did the work. There was a 2 hour minimum work window which meant a $200 starting base price. They were done with my two projects (installing the outlet and fixing a hallway light) in less than an hour, so I guess I should have had more projects to get my full money's worth. They did a great job, though."
4 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Blue Sky Plumbing & Heating Inc.
Blue Sky Plumbing & Heating Inc.
5.0(
6
)
Fixed Generator - Install

Serving Derby, CO and surrounding areas

Approved

In business since 1989

Free estimates

Small jobs welcome

Blue Sky Plumbing, Heating, Cooling & Electric is a fourth-generation, family-owned home service company proudly serving the Denver Metro area since 1916. For over 100 years, our team has delivered trusted plumbing, HVAC, sewer, drain, electrical, and indoor air quality solutions with a commitment to honest service and long-term customer relationships.\n\nAs a locally owned company, we combine modern expertise with generations of hands-on experience to provide reliable repairs, installations, maintenance, and emergency services for homeowners across Colorado. Customers choose Blue Sky for our highly trained technicians, transparent communication, same-day availability, and dedication to doing the job right the first time.\n\nFrom routine plumbing repairs to complete heating, cooling, and electrical upgrades, Blue Sky is committed to delivering comfort, safety, and peace of mind to every home we serve.

Photos
60 neighbors recently requested a quote
Redrocks Roof and Solar LLC
4.1(
9
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Derby, 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
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Generator Install questions, answered by experts

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. 

These advanced generators use a key fob or a smartphone app to remotely start, which is ideal for getting power back on immediately without venturing outside. This feature is more common on whole home generators, but you may be able to find it on large portable generators, too.

To reduce AC startup power for a whole-house generator, install a soft start kit or hard start capacitor, which lowers the initial surge by gradually ramping up the compressor. Using a smart load manager can also help by staggering startup loads, preventing a system overload and future costly repairs.

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. 

Costs range from $500 to $2,500, depending on generator type and installation complexity.

The Derby, CO homeowners’ guide to generator installs

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