How do I know what size generator I need?

• <div><p>When <a href="https://www.angi.com/articles/what-size-generator-do-i-need.htm">choosing the right size generator</a> for your needs, consider a few items to help calculate the wattage you’ll need. Start by determining which household items and appliances you want to power, and then add the wattages together. Check out the wattage of these essential appliances:</p><ul><li><p>Refrigerator: 600 watts</p></li><li><p>Large dehumidifier: 700 watts</p></li><li><p>Large window air conditioner: 1,400 watts</p></li><li><p>Water heater: 3,000 watts</p></li></ul><p>Running home appliances like these requires a partial or whole-house generator. A portable generator may be enough to power your home if you only plan to keep a refrigerator and freezer running. </p></div>

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Q: How much does it cost to install a generator?

• <div><p>The typical <a href="https://www.angi.com/articles/how-much-does-it-cost-install-generator.htm">cost of a home generator</a> is around <b>$5,000</b>, but prices range from <b>$400 up to $13,000</b>, depending on a few factors. The most significant cost factor is the generator size, as larger generators that can support more square footage usually cost more. You can install an emergency backup generator for between <b>$500 and $2,000</b> or a partial-home generator for between <b>$2,000 and $6,500</b>. Whole-home generators usually total between <b>$5,000 and $13,000</b>, with some models climbing as high as <b>$18,000</b>.</p></div>

Q: What size whole house generator do I need to run central AC?

• <div><p>To power a central air system during a power outage, the whole-house generator will need to be at least 5,000 watts, and this number will significantly increase for larger units. Check the specific wattage requirements of your AC unit to choose the right <a href="https://www.angi.com/articles/whole-house-generator-sizing.htm">generator size</a>. Consider consulting a generator installer to ensure your whole-house generator meets your electrical load needs.</p></div>

Q: Do installations include unit assembly?

• <div><p>Many services include assembling the unit and securing it in the window. Confirm with your provider.</p></div>

Q: What size generator does my house need?

• <div><p>You can determine what size generator you need by listing the various appliances it will power during an outage. Write down the start-up watt usage, and then add them all together. </p><p>A 7,500-watt generator will run your refrigerator, freezer, well pump, and lighting circuits without a problem. However, you&rsquo;ll need an extra 3,000 to 4,500 watts to run your water heater and another 5,000 to 25,000 watts to run your electric furnace. In these instances, a whole-home generator is your best bet for running your critical equipment.</p></div>

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Verified Reviews for Generator Install pros in Nome, AK

*The Angi rating for Generator Install companies in Nome, AK 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 Nome, AK 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 January 07, 2026

Reviewed in February 2025
This company was hired to remove and replace flooring that was saturated with heating fuel? to clean it all up and install new flooring.. I was the boiler guy they hired to remove and replace the boiler.. They did a beautiful job all the way thru in every way.. I highly recommend them. Best...
Arctic Septic and Restoration, LLC
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Reviewed in October 2020
We got hooked up with an employee named Marcus and he can take care of all your security needs. He customized a system just for our circumstances and made several follow-up visits to get the kinks worked out. It was a little overwhelmed trying to remember everything, but Marcus left me notes on...
SafeStreets - ADT Authorized Provider
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Reviewed in October 2020
A guy came out and worked on the water heater. He broke a valve on the gas line and then left. The unit filled with gas. We called and they sent a night plumber out to fix what the previous person had broken, but they still over charged us for it later. They never apologized for leaving us in a...
Anchorage Plumbing and Heating
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Reviewed in April 2017
Very well. The installer kept me posted on progress and should up on time.
Discount Door Service
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Reviewed in February 2015
They were on time and then, they come back periodically and check that their work is satisfactory and doing its job. They were okay. They were good. They did exactly what they said they would do. I could have gotten someone cheaper, but I wanted the quality one. So, they were good.
Arizona Pest Control
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Reviewed in November 2012
They showed up on short notice but quality of work was very poor. I was gone while they cleaned my empty house and returned hours later. Someone had been smoking in the bathroom while cleaning. Unbelievable disrespect. Paid them reluctantly. Unfortunately it really only affected the...
SPRUCE CLEANING SVC
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Reviewed in March 2012
3 fence posts were broken from being hit with loader bucket. they were contacted and they refused to repair any damage or compensate
APUN
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Find Generator install pros in Nome

RVA Electrical Services, LLC

4.99(

)

•Approved Pro

RVA Electrical Services, LLC

4.99(

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

18 years of experience

RVA Electrical Services, LLC is a local family business based in Hanover VA, and is owner operated company meaning that you will be receiving a licensed master electrician at your door. With many years of expierence in the field we are happy to share our knowledge and serve local residents 24/7.

"Very professional and did an outstanding job, very please with the service given."

NATHANIEL W on July 2023

"Very professional and did an outstanding job, very please with the service given."

NATHANIEL W on July 2023

Generator Install questions, answered by experts

The typical cost of a home generator is around $5,000, but prices range from $400 up to $13,000, depending on a few factors. The most significant cost factor is the generator size, as larger generators that can support more square footage usually cost more. You can install an emergency backup generator for between $500 and $2,000 or a partial-home generator for between $2,000 and $6,500. Whole-home generators usually total between $5,000 and $13,000, with some models climbing as high as $18,000.

When choosing the right size generator for your needs, consider a few items to help calculate the wattage you’ll need. Start by determining which household items and appliances you want to power, and then add the wattages together. Check out the wattage of these essential appliances:

Refrigerator: 600 watts
Large dehumidifier: 700 watts
Large window air conditioner: 1,400 watts
Water heater: 3,000 watts

Running home appliances like these requires a partial or whole-house generator. A portable generator may be enough to power your home if you only plan to keep a refrigerator and freezer running.

To power a central air system during a power outage, the whole-house generator will need to be at least 5,000 watts, and this number will significantly increase for larger units. Check the specific wattage requirements of your AC unit to choose the right generator size. Consider consulting a generator installer to ensure your whole-house generator meets your electrical load needs.

Many services include assembling the unit and securing it in the window. Confirm with your provider.

You can determine what size generator you need by listing the various appliances it will power during an outage. Write down the start-up watt usage, and then add them all together.

A 7,500-watt generator will run your refrigerator, freezer, well pump, and lighting circuits without a problem. However, you’ll need an extra 3,000 to 4,500 watts to run your water heater and another 5,000 to 25,000 watts to run your electric furnace. In these instances, a whole-home generator is your best bet for running your critical equipment.

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