How long does a whole-house generator last?

<div>When maintained properly, a whole-house generator can last up to 20 years. <a href="https://www.angi.com/articles/how-much-does-generator-repair-cost.htm">Costs to maintain and repair generators</a> vary by location and type of generator, but you can expect to pay about $150 to $300 per year for annual generator maintenance checks. An experienced generator service technician will inspect your generator’s engine filter, starting mechanism, fuel, lubrication, and coolant levels to keep your generator in good working condition for as long as possible. </div>

How do I know what size generator I need?

<div>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:<ul><li>Refrigerator: 600 watts</li><li>Large dehumidifier: 700 watts</li><li>Large window air conditioner: 1,400 watts</li><li>Water heater: 3,000 watts</li></ul>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. </div>

What can I run on different generator sizes?

<div>Here’s what you can run with different wattages and types of generators:Portable generator:<ul><li>2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. </li><li>4,000 watts will keep two large appliances operating and a few smaller devices.</li><li>8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.</li></ul>Partial to whole-house generator:<ul><li>20,000 watts and above will make it seem like your home’s power is still on.</li></ul></div>

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Q: How much does a whole-house generator cost?

<div><a href="https://www.angi.com/articles/how-much-does-it-cost-install-generator.htm">Installing a whole-house generator costs</a> about $5,000 on average. Prices range from $1,550 to $8,500, depending on size, brand, fuel type, and assembly. The size of your whole-house generator is the most significant cost factor, with large homes with high energy demands costing the most to power. Types of whole-home generators include:<ul><li>Portable generators with 1kW&ndash;7.5kW capacity: $500&ndash;$2,000</li><li>Partial generators with 9kW&ndash;20kW capacity: $2,000&ndash;$6,300</li><li>Whole-house generators with 22kW&ndash;48kW: $5,000&ndash;$18,000</li></ul></div>

Q: What can I run on different generator sizes?

<div>Here&rsquo;s what you can run with different wattages and types of generators:Portable generator:<ul><li>2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. </li><li>4,000 watts will keep two large appliances operating and a few smaller devices.</li><li>8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.</li></ul>Partial to whole-house generator:<ul><li>20,000 watts and above will make it seem like your home&rsquo;s power is still on.</li></ul></div>

There are 4 highly-rated local generator installers.

Verified Reviews for Generator Installation pros in North Bay Village, FL

*The Angi rating for Generator Installation companies in North Bay Village, FL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Installation needs.

*The HomeAdvisor rating for Generator Installation companies in North Bay Village, FL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Installation needs.

Last update on June 10, 2025

Reviewed in March 2025
Me encantó su trabajo,muy profesional,atento y buena persona,lo recomiendo 100%,es la mejor compañía q he tenido,hacen un magnífico trabajo,muchas gracias x sus servicios,quedé muy satisfecha
Ajemy
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Reviewed in February 2025
I recently hired LDD ELECTRICAL SERVICES for some electrical work in my home, and I couldn’t be more impressed! From the initial consultation to the final installation, their professionalism, expertise, and attention to detail were outstanding. They arrived on time, explained everything...
LDD ELECTRICAL SERVICES
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Reviewed in January 2025
Dion Generators provided excellent service from start to finish. They handled everything from installation and permitting to ongoing maintenance through their Preventive Maintenance Agreement (PMA) program. Their team was professional, efficient, and reliable, ensuring our generator runs...
Dion Generator Solutions
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Reviewed in September 2024
Ray is a great electrician. The work that he does is extremely clean, up to code, and of the highest quality. Best of all he has the best rates in town.
2DXtreme Services Corp
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Reviewed in December 2020
Maintenance on our 22K generator was performed incredibly well.. It was scheduled for late in the afternoon, but I received a call saying we can come early if you want. They arrived within 20 minutes after an hour and a half everything was done, clean well And maintain.
Switch Electric LLC
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Reviewed in December 2023
Pete, the technician from Reliable was very professional and efficiently administered a detailed evaluation of my generator.. I am very satisfied with the results.
Reliable Power Systems
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Reviewed in January 2024
Excellent work and very detailed. Good workers and committed to what they do, it is clear that they like their profession. They are qualified professionals and work with permission. Since they are Master and Journeyman. and very important, they charge cheap
Elite Electric Solution llc
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Reviewed in October 2023
Excellent. Patrickson and his team are amazing. Theygave me the best price and fastest installation without any headaches or concerns. Other companies came in with unreasonably higher quotes for the job and they said it would take 4-6 months for final inspection. Patrickson and his team...
Allsite Electric
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