How long does a whole-house generator last?

• <div><p>When maintained properly, a whole-house generator can last up to <b>20 years</b>. <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 <b>$150 to $300 per year</b> 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. </p></div>

How close can a transfer switch be to a generator?

• <div><p>Generally, you’ll want to keep between <b>60 and 70 feet</b> between the generator and the transfer switch. There are a few reasons for this, including:</p><ul><li><p>The distance reduces the noise coming from the generator into your home.</p></li><li><p>It increases efficiency because you won’t have a voltage drop from this short of a distance.</p></li><li><p>Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window. </p></li></ul><p></p></div>

Is it better to repair or replace a malfunctioning generator?

• <div><p>It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around <b>$300</b> on average, while <a href="https://www.angi.com/articles/how-much-does-it-cost-install-generator.htm">installing a new whole-house generator costs</a> around <b>$5,000 </b>on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.</p></div>

Get matched with top generator install pros in Chester, CA

Q: How close can a transfer switch be to a generator?

• <div><p>Generally, you&rsquo;ll want to keep between <b>60 and 70 feet</b> between the generator and the transfer switch. There are a few reasons for this, including:</p><ul><li><p>The distance reduces the noise coming from the generator into your home.</p></li><li><p>It increases efficiency because you won&rsquo;t have a voltage drop from this short of a distance.</p></li><li><p>Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window. </p></li></ul><p></p></div>

Q: Is it better to repair or replace a malfunctioning generator?

• <div><p>It&rsquo;s usually better to repair your generator if it isn&rsquo;t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around <b>$300</b> on average, while <a href="https://www.angi.com/articles/how-much-does-it-cost-install-generator.htm">installing a new whole-house generator costs</a> around <b>$5,000 </b>on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.</p></div>

Q: Can I use a generator to charge a back-up battery?

• <div><p>Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.</p></div>

Q: How can I reduce carbon monoxide emissions from my natural gas generator?

• <div><p>Carbon monoxide emissions aren&rsquo;t only dangerous to human life, but they also harm our planet. While natural gas generators emit lower levels of CO than other fuel sources, there are still ways to reduce emission levels. For example, shop around for an eco-friendly generator that complies with current emission standards. Also, make sure your generator is serviced regularly to avoid CO buildup. </p></div>

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Verified Reviews for Generator Install pros in Chester, CA

*The Angi rating for Generator Install companies in Chester, CA 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 Chester, CA 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 December 10, 2025

Reviewed in September 2025
Brandon and his crew worked with me to build a 25 year dream I had in my head. His professionalism and fabrication skills were incredible. They installed a retainer wall, 58 yards of concrete complete with grading and base, increased my concrete front porch along with incidentals. Then Brandon...
Unique Outdoor Creations LLC
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Reviewed in November 2020
We had a patio installed at our rental property late summer in Fredericksburg and they were very accommodating and helpful throughout the whole process. We were not in state and they made everything extremely easy and smooth throughout the whole process. Excellent communication! Highly recommend...
American Custom Concrete INC.
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Reviewed in October 2017
Very good. Actual part needing repair was different from what first vendor told us and they were able to not only obtain it quickly but installed it promptly as well.
HIGH DESERT AIR INC
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Reviewed in September 2016
In my ten years as an Interior Designer, I have never encountered such an unprofessional business. Which unfortunately, I had to deal with during renovations to my own house First, the owner, Mojy convinced us to use metal Schluter pieces to finish our tub surround, as opposed to using a...
HOUSE OF INTERIORS
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Reviewed in December 2014
didn't work, at first . . had to come out again . . finally got heater to work . . said it needed other parts . . bought and installed.
HVAC THERAPY
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Reviewed in March 2013
The quality of the installation sticks out the most to me.
Deel Plumbing Heating & Air Conditioning
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Reviewed in December 2012
They set up the appointment. They came out and installed the sample test. We mailed it in after a few days and then they sent the results
ACE RADON CORPORATION
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Reviewed in May 2012
I had called all the storm shelter companies I could find and they were able to install the quickest with a decent price. They were out first thing in the morning and had the shelter installed and were done in two hours. We also use them for our septic tank and have nothing but great things to...
LAWTON SEPTIC TANK & STORM SHELTER
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Reviewed in April 2012
I recently contacted Garage and Closet Kingdom regarding an installation question, I was very pleased with their immediate response time. I would most defiantly contact Garage and Closet Kingdom in the future for my garage and closet needs. I appreciated their professionalism.
GARAGE & CLOSET KINGDOM
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Reviewed in March 2011
I bought this house in June. It is my first. The previous owners put in a sprinkler system right before closing, but then failed to provide me with any outline, manual, directions, etc. I had no idea about winterization. So, after this particularly wicked recent winter, it is no surprise...
ADVANCED IRRIGATION
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Find Generator install pros in Chester

Wholesale provider of new american made artificial grass and turf products. We also carry a line of off grid solar products.

Liberty Solar

5.00(

)

Liberty Solar

5.00(

)

Customers say: Quick response

Recommended by 100% of Angi customers

Liberty Solar designs, engineers, and installs Advanced Renewable Energy Systems. We do NOT use sub-contractors. We take great pride in our work and we install only the best American-made equipment and the best prices. We have many financing options available.

Energytech Inc. DBA Advance Power Redding

No reviews yet

Energytech Inc. DBA Advance Power Redding

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24 years of experience

Wholesale & retail renewable energy store specializing in energy conservation & production. We install solar or sell you the materials. We stock Solar panels, 6v batteries, LIPO-4 batteries, DC to AC power inverters, wind turbines, Hydro turbines & parts, radiant barrier foil, Son Shield insulating paint & roof coat. And much more.

AMPS ELECTRIC

5.00(

)

AMPS ELECTRIC

5.00(

)

Customers say: Quick response

Recommended by 100% of Angi customers

My Classic Car Trader LLC

2.00(

)

My Classic Car Trader LLC

2.00(

)

53 years of experience

Sales, Service & Rebuilding of Antique and Classic Car Components such as, Carburetors, Starters, Generators, Fuel Pumps, Double & Single Action Fuel Pump Rebuilding, Water Pumps, Hydraulic Top Pumps, Distributors, and DELCO Knee Action Shocks, We also carry a complete line of NOS and NORS parts. We offer FREE Technical advice for any YEAR Classic Car 609-462-7412

"Beware. They charged me double shipping even after I told them I would wait so I wouldn’t have to pay two shipping fees. The last item was a fuel pump that I had a problem with. I have made 4 calls to ask for help with no return call. Poor"

Frank H on July 2020

"Beware. They charged me double shipping even after I told them I would wait so I wouldn’t have to pay two shipping fees. The last item was a fuel pump that I had a problem with. I have made 4 calls to ask for help with no return call. Poor"

Frank H on July 2020

Sterling Auto Repair

4.50(

)

Sterling Auto Repair

4.50(

)

Customers say: Quick response

Recommended by 100% of Angi customers

Complete auto care solution, from oil changes to engine swaps we do it all. Quick turn around and friendly, knowledgeable service from start to finish.

Generator Install questions, answered by experts

When maintained properly, a whole-house generator can last up to 20 years. Costs to maintain and repair generators 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.

Generally, you’ll want to keep between 60 and 70 feet between the generator and the transfer switch. There are a few reasons for this, including:

The distance reduces the noise coming from the generator into your home.
It increases efficiency because you won’t have a voltage drop from this short of a distance.
Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window.

It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around $300 on average, while installing a new whole-house generator costs around $5,000 on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.

Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.

Carbon monoxide emissions aren’t only dangerous to human life, but they also harm our planet. While natural gas generators emit lower levels of CO than other fuel sources, there are still ways to reduce emission levels. For example, shop around for an eco-friendly generator that complies with current emission standards. Also, make sure your generator is serviced regularly to avoid CO buildup.

The Chester, CA homeowners’ guide to generator installs

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

See all articles

Taylor Freitas
•
Nov 25, 2025Nov 25, 2025
How Much Does a Whole-House Generator Cost? [2025 Data]
The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.
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•
Oct 29, 2025Oct 29, 2025
How Much Does It Cost To Install a Generator Transfer Switch? [2025 Data]
The cost to install a generator transfer switch depends on several factors. Our guide will help you understand all of the costs.
Breyden Kellam
•
Oct 30, 2025Oct 30, 2025
How Much Does Whole-House Generator Maintenance Cost? [2025 Data]
Keeping on top of generator maintenance and repairs gives you extra peace of mind as a homeowner. Find out how much regular generator maintenance costs.
Breyden Kellam
•
Apr 1, 2025Apr 1, 2025
Gas Generator vs. Natural Gas Generator: What’s the Difference?
Before deciding between a gas generator and a natural gas generator, explore the differences. Compare gas vs. natural gas generator with our informative guide.
Breyden Kellam
•
Apr 1, 2025Apr 1, 2025
Do Natural Gas Generators Produce Carbon Monoxide? A Complete Guide
Natural gas generators emit carbon monoxide, a harmful gas. Learn about what carbon monoxide is and tips to operate your generator safely.
Kat Brancato
•
Mar 7, 2025Mar 7, 2025
Who Can I Hire to Fix a Generator?
Searching for a pro who can fix a generator? Consider hiring a generator technician or an electrician to handle the job.