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

Serving Golden, 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 New Phase Electric, LLC
New Phase Electric, LLC
5.0(
7
)
Fixed Generator - InstallPortable Generator - Install

Serving Golden, CO and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"Installed a 12 circuit generator cutover panel. Works great. Would have preferred the cables to be behind the drywall. But a solid job that passed Jeffco and Xcel inspections easily."
Brent's house
custom house
Custom light's
custom lights
Govee lights

+1

Response time2 days
Response rate100%
5 neighbors recently requested a quote
Avatar for Absolute Electrical, Heating & Cooling, LLC
Absolute Electrical, Heating & Cooling, LLC
4.3(
328
)
Fixed Generator - Install

Serving Golden, CO and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Absolute Electrical did a great job of installing our QuietCool fan. They were very professional, thoughtful (quietly closed front door as they went in and out) and cleanly (thoroughly cleaned work area). I would recommend them to any of our neighbors and friends."
Mini Split
Heated driveway
Furnace Inspection
Laying conduit for exterior electrical work
Electrical Panel Replacement

+34

Response time1 day
Recommended by91%of homeowners
Avatar for DN Electric LTD
DN Electric LTD
5.0(
7
)
Portable Generator - Install

Serving Golden, CO and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

DN ELECTRIC LTD proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today! \n

Electric
Basement receptacles
Basement receptacles
Basement receptacles
Basement receptacles

+1

8 neighbors recently requested a quote
Avatar for Task Energy Solutions
Task Energy Solutions
4.6(
12
)
Fixed Generator - Install

Serving Golden, CO and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"Shawn and his team were awesome for this project. They understood immediately what realistic budget was, provided very clear itemized project updates as things went on, took care of all the work, and worked with me to complete it all in two days while working around my busy corporate lifestyle. Work was done very clean, conscious of keeping costs low but with quality, and they were fast and friendly. Highly recommend going with them over any of the big 3 companies who will quote you way too much, provide no itemized receipt or options."
Gallery
Commercial solar
Commercial solar
Commercial solar
Commercial solar

+12

5 neighbors recently requested a quote
Recommended by75%of homeowners
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Showing 1-10 of 136
Generator Install questions, answered by experts

As a safety measure, you should always turn off the main breaker while operating your generator’s backup breaker. In addition, you should also switch off all appliance breakers so you don't have a power surge when the main breaker turns back on. And finally, turning off the main breaker prevents back-feeding, which endangers utility workers with the risk of electrocution. Back-feeding could also destroy the electrical circuits of your neighbors if they use the same power network.

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.

Generators are usually sized by running watts and starting watts. Ideally, you’ll want a generator that can offer both the necessary running watts and starting watts for everything you need to power without going beyond 90% of its capacity. Calculate your home’s electrical load based on the breakers in your home or adding up the appliance and lighting needs of connected rooms.

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.

Homeowners can often access federal tax credits, such as the Investment Tax Credit (ITC), which covers a percentage of installation costs. Many states and utilities offer additional rebates, grants, or performance-based incentives. These programs can significantly lower your upfront investment. Check the Database of State Incentives for Renewables and Efficiency (DSIRE) or contact your local energy office for current offers.

The Golden, CO homeowners’ guide to generator installs

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