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Avatar for Copperhead Electric
Copperhead Electric
4.6(
14
)

Serving Greenleaf, ID and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"They did a great job installing light fixtures in my garage. Quick and efficient work, friendly, and left things cleaner then when they got here. I would deffenatqy recommend."
Response time7 hrs
Recommended by84%of homeowners
Avatar for 3 Phase Electric, LLC
3 Phase Electric, LLC
5.0(
10
)

Serving Greenleaf, ID and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"Sean added two circuits in our garage, one for our garage refrigerator and freezer and one for our AprilAire humidifier. His work was consumately professional and very timely. I recommend 3 Phase Electric without reservation and will use Sean again."
Response time10 hrs
Avatar for New Revelation Technology
New Revelation Technology
5.0(
8
)

Serving Greenleaf, ID and surrounding areas

In business since 2014

Free estimates

Emergency services offered

"The electrician arrived and I took him to where it was wanted. He looked around and seen a box on the pole next to the house. He opened the box and there was an outlet already there. I thought it was an empty box. He saved me money by taking the time to look before doing anything."
Additional Photos
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+1

Recommended by100%of homeowners
Avatar for Victory drain service LLC
Victory drain service LLC
4.9(
7
)

Serving Greenleaf, ID and surrounding areas

Free estimates

Emergency services offered

Warranties offered

"Andrew was very knowledgeable, honest and fair throughout the process. No nonsense guy that takes pride in his work and has a lot of experience in a multitude or areas. I would definitely hire him again!"
Before
After.
After removal of shelves
Handyman Services Project
Dust barrier

+21

Recommended by100%of homeowners
Avatar for Resistance Electric
Resistance Electric
5.0(
3
)

Serving Greenleaf, ID and surrounding areas

In business since 2013

Free estimates

Warranties offered

We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!\n

Additional security lighting for HOA
Commercial Electric
Commercial Electric
Ran power for a power opperated gate
Full house rewire

+7

Response time10 hrs
Recommended by100%of homeowners
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Generator Install questions, answered by experts

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.

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 average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.

Cost breakdowns by generator type are typically as follows:

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

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

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

To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

If you’re wondering whether gas generators produce carbon monoxide, know that natural gas generators do not produce carbon monoxide if they are functioning properly, as natural gas burns cleanly. However, if the generator malfunctions and the gas does not burn completely, there is potential for carbon dioxide to be produced. To prevent malfunctions, it's crucial to perform regular maintenance, including running the generator weekly and scheduling professional inspections every 6 to 12 months. Also, be sure to test your carbon monoxide detectors regularly to ensure they function in the rare case of the generator producing carbon monoxide.

The Greenleaf, ID homeowners’ guide to generator installs

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