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>

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>

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Q: Do I really need a generator transfer switch?

• <div><p>Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for <a href="https://www.angi.com/articles/what-is-an-electrical-emergency.htm">electrical emergencies</a>. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. </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: 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: How much horsepower do I need?

• <div><p>If your home already has a grinder pump and you&rsquo;re still noticing issues (like frequently clogged toilets and sinks), it could be time to upgrade your grinder pump. Start by checking your existing horsepower. If there are four or fewer people living in your home, using a 1/2-horsepower grinder pump should be sufficient. Larger households should consider investing in a 1-horsepower grinder pump to maximize wastewater removal efforts.</p></div>

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Verified Reviews for Generator Install pros in May Valley, CO

*The Angi rating for Generator Install companies in May Valley, CO 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 May Valley, CO 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 November 15, 2025

Reviewed in June 2025
Jack is a great installer, highly recommend.
321 Epoxy Flooring
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Reviewed in December 2024
Most important thing is Bob does what he says he will do. Second thing; he has the skill set to actually follow through with high quality work. Plus he has a great personality and just a nice person. We hired Bob 3 times so far; he install a vent in our generator shed to relieve the excess hot...
Handyman Bob
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Reviewed in November 2024
They didn't have an option for "What work did you needdone." I was forced to pick a generic option. I hired them in August to remove clay, add good soil and install sod. They ran out of soil. One of the workers left and got soil but it was different soil then what was used. No...
RDS Hardscape Service
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Reviewed in December 2023
David and team were responsive, reasonably priced, and did a high quality job on our interior and exterior paint job. He also turned us onto a general contractor who has beautifully handled our overall home renovation.
Dapp Painting & Drywall
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Reviewed in December 2023
We have used Nate / PureBuilt construction for many different projects from general contracting, remodel, trim work, and more and would highly recommend his services!
Pure Built Construction LLC
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Reviewed in November 2020
Bathroom completely remodeled in 2018. Started off ok, but ended up with a poor quality remodel that essentially needs to be gutted not even 3 years later. Owner was present and keeping track of the project at first, but it seemed like he had moved on to other projects before long, opting to...
WCH improvedhomes
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Reviewed in November 2017
Very professional. Very fast. Some obvious flaws. In general cool.
Creative Masonry
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Reviewed in August 2017
Kristin was very helpful and took the time to give me a lot of helpful information so I will be prepared to get a generator. She basically gave me a generator 101 lesson. I appreciated her knowledge and the time she spent with me. I would use their service in the future.
SPECTRUM ELECTRIC LTD
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Reviewed in September 2013
I provided paint, but evidently, and unbeknownst to me, it was not the correct paint. The installer called and I asked him to contact the building manager to find out what he correct paint was. I never heard back from the installer. When I arrived at the condo, I was shocked to see that the...
California Closets of Denver
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Find Generator install pros in May Valley

Becks Communications, Inc.

5.00(

)

•Approved Pro

Becks Communications, Inc.

5.00(

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

18 local quotes requested

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"-"

Rob B on July 2024

"-"

Rob B on July 2024

Tools & Toys Small Engine Repair Company

No reviews yet

Tools & Toys Small Engine Repair Company

No reviews yet

13 years of experience

Small engine shop that also has a Master Sharpening Service and Plastic Welding/Repair Services. We also specialize in scooters, mopeds, motorcycles from repairs to mods and tuning to full restorations. Please check out our website for more information. Our prices are the best and we will not only match but beat any other business's quote in the area.

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

June Creek Electric

5.00(

)

June Creek Electric

5.00(

)

Customers say: Quick response

Recommended by 100% of Angi customers

Service Electrical Contractor Service Calls Repair Remodel New Construction Residential and Commercial One man shop offering a Master Electrician on Call Design/Build Company www.junecreek.net

Generator Install questions, answered by experts

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency.

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

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.

If your home already has a grinder pump and you’re still noticing issues (like frequently clogged toilets and sinks), it could be time to upgrade your grinder pump. Start by checking your existing horsepower. If there are four or fewer people living in your home, using a 1/2-horsepower grinder pump should be sufficient. Larger households should consider investing in a 1-horsepower grinder pump to maximize wastewater removal efforts.

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.

The May Valley, CO 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

Alison Kasch
•
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.
Elisa Greenberg
•
Aug 14, 2025Aug 14, 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.
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.
Michelle Nati
•
Apr 1, 2025Apr 1, 2025
Can a Whole-House Generator Run an Air Conditioner?
A whole house generator can keep your home running during a power outage, but can it handle the energy demands of an air conditioner? Here’s what to consider.
Jenna Jonaitis
•
Feb 14, 2025Feb 14, 2025
6 Questions to Ask About Installing a Fixed Backup Generator
Before installing a fixed generator, think about your use and space. Review these backup generator questions to prepare for a talk with your contractor.
Melissa Graham
•
Jul 23, 2024Jul 23, 2024
15 Generator Uses for Homeowners
A portable generator can serve several uses beyond its traditional purpose. If you’re looking for ways to put your generator to work, our guide can help.