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Verified Reviews for Generator Install pros in Granby, CO

*The Angi rating for Generator Install companies in Granby, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

*The HomeAdvisor rating for Generator Install companies in Granby, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

Last update on June 29, 2025

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Avatar for Electrical Innovations LLC
Electrical Innovations LLC
New to Angi
Portable Generator - Repair

Serving Granby, CO and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Electrical innovations provides electrical safety for families homes, and peoples businesses. We are a fully licensed and insured company who’s been in business since 2010. We are a family owned and operated business who strives for making families happy and satisfied returning customers.

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Avatar for Best Grand Electric
Best Grand Electric
5.0(
15
)
Fixed Generator - InstallGenerator - Install - For BusinessGenerator - Repair - For Business

Serving Granby, CO and surrounding areas

In business since 2023

Emergency services offered

Warranties offered

"I am a contractor and have not been impressed with others work I’ve hired before so when I heard about best grand electric I thought I would give them a try and I was very impressed."
assorted projects
assorted projects
assorted projects
assorted projects
assorted projects

+3

Response time3 hrs
Response rate97%
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Avatar for Breeze Electrical Solutions
Breeze Electrical Solutions
5.0(
6
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Granby, CO and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"Ken did a great job. I would recommend ken and breeze electric to anyone"
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+4

Recommended by100%of homeowners
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Montoya Electric Colorado
0.0(
1
)
Generator - Install - For Business

Serving Granby, CO and surrounding areas

In business since 2011

Free estimates

Emergency services offered

Montoya Electric Colorado can take care of all your Commercial & Residential Electrical wiring needs from new construction and remodel to services, repairs, additions, and emergencies, big and small. Reasonable rates, friendly service, professional results. We also provide custom and unique services from fabrication to installation of whatever unique kind of thing that you can imagine. Our Master Electrician, Mark Montoya, also has an MS in Mechanical Engineering with considerable experience in product and machine design and prototyping. From one of a kind hand made light fixtures to that custom machine or mechanism that you always wanted built, Mark can create a reality out of your vision. I easily serve Denver Metro and the Front Range Mountains plus west to Vail in the I-70 corridor. Custom work by phone, internet, and shipping is also available.\n\nMark Montoya\nMSME Purdue University 1997\nColorado Master's License # 30420\nColorado Contractor's License # 8229

Recommended by100%of homeowners
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Generator Install questions, answered by experts

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.

In some situations, yes. Never try to put biofuel into any home generator without checking the specifics first. If a generator has the ability to run on diesel, it can also run pure biofuel (the clear kind made from seed oils, for example). But if you are using biofuel made from animal fats or vegetable oils, the generator will need significant modifications before it can handle a sludgier type of biofuel.

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.

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

Here’s what you can run with different wattages and types of generators:

Portable generator:

  • 2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. 

  • 4,000 watts will keep two large appliances operating and a few smaller devices.

  • 8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.

Partial to whole-house generator:

  • 20,000 watts and above will make it seem like your home’s power is still on.

The Granby, CO homeowners’ guide to generator installs

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

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