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Avatar for GenShield LLC
GenShield LLC
5.0(
7
)
Fixed Generator - Install

Serving Harlem, NY and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We specialize in generator service and repair and provide unmatched customer service! You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!\n

1 neighbors recently requested a quote
Avatar for A/C Performance Power, Inc.
A/C Performance Power, Inc.
5.0(
4
)
Generator - Repair - For Business

Serving Harlem, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Jim, the Owner provided timely, Expert generator repair, to get a 15 year old 30KW generator that hadnâ  t run in years operational in 30 minutes. We were fortunate to find him, and appreciate his skill, integrity...truly a consummate Professional ! 5+ Star recommendation"
Generator repair
Generator repair
Generator repair
Generator repair
Generator repair

+27

Response time9 hrs
Recommended by100%of homeowners
Avatar for M&B Electrical and Mechanical Solutions Corp.
M&B Electrical and Mechanical Solutions Corp.
5.0(
9
)
Fixed Generator - InstallGenerator - Install - For BusinessGenerator - Repair - For Business

Serving Harlem, NY and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"I hired M&B Electrical and Mechanical Solutions Corp. for an electrical wiring/panel upgrade, and I?m genuinely impressed with the entire experience. From the first conversation, they were clear, patient, and willing to explain everything in a way that made me feel confident about the work that needed to be done. The team showed up on time and got straight to work. They were very respectful of my home, kept the work area organized, and took the time to walk me through what they were doing as the project progressed. You can tell they take pride in doing things the right way; nothing felt rushed or halfway done. The panel upgrade was completed smoothly, and they made sure every connection was safe, clean, and up to code. They also tested everything before leaving and answered all my questions without making me feel rushed. It?s rare to find contractors who combine technical skill with really good customer service, but they definitely do. Overall, I?m extremely satisfied."
Solar panel
Solar panel
Solar panel
Solar panel
Solar panel

+6

Response time5 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for Star Electric
Star Electric
4.2(
124
)
Fixed Generator - InstallFixed Generator - Repair

Serving Harlem, NY and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"Fast and super helpful. Gave me a proposal right away. Started work same week. If deviations were needed, was specific on what and why. Reasonable and fair pricing, and honest about their capabilities and areas of expertise. Professional team and went out the way to provide additional references for other concerns. I also appreciated the video Fabio took to show me the before and after, especially in areas I was unable to see."
55 neighbors recently requested a quote
Recommended by81%of homeowners
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Showing 1-10 of 212
Generator Install questions, answered by experts

Yes, installing a generator usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly.

With proper maintenance, a whole-house generator can last between 20 and 40 years. The specific lifespan depends on how often and for how long the generator is used, and some models may have their life expectancy rated in hours of operation. To maximize its lifespan, expect to spend around $150 to $300 per year for annual maintenance checks from a qualified technician. During these checks, a technician will inspect the engine filter, starting mechanism, fuel, lubrication, and coolant levels. Consulting your installer and choosing a low-impact fuel like natural gas or diesel can also help ensure your generator lasts as long as possible.

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.

In many cases, yes. There are models called dual-fuel generators and fuel switches, but only between certain types of fuel. For example, with the right setup you can convert a generator from natural gas to propane. Some allow switching between diesel and gasoline. There are even tri-fuel generators available in some cases, which adds a large layer of security if you are worried about fuel availability in times of crisis. Always check your generator capabilities and manual instructions before trying to switch fuels. Some generators can use another fuel but may need a fuel conversion kit to prep them first.

Natural gas and electricity rates vary significantly based on location, and pricing can change over time, too. It’s possible that in locations where natural gas is particularly inexpensive, it will cost less than grid-based electricity will. However, you should also factor in the generator’s initial costs and maintenance needs, as well as its noise level and if it can comfortably power all your home appliances.

The Harlem, NY homeowners’ guide to generator installs

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