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TRUSTED BY HENRIETTA, NY HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon18
    Verified generator installs reviews

Top-Rated Generator install pros in Henrietta - Updated Nov 2026

John Betlem Heating & Cooling Inc - Electrical
4.7(
157
)
Fixed Generator - Install

Serving Henrietta, NY and surrounding areas

Approved (Corporate)

In business since 1941

Free estimates

Emergency services offered

John Betlem Heating & Cooling is a 3rd generation company founded in 1941. They provide Residential HVAC, Electrical and Insulation Services to Rochester, NY and the surrounding towns. John?s slogan that still holds true today is to do ?whatever it takes? to satisfy customers. \n \nJohn Betlem is a premier family operated solutions provider, passionately committed to the health, safety, and comfort for all they serve.

15 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Loos Electric, Inc.
Loos Electric, Inc.
4.9(
17
)
Portable Generator - Install

Serving Henrietta, NY and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"I would highly recommend Garrett at Loos Electric, Inc! Garrett ran electric for our new above ground pool quickly and was able to work with us on a tight turnaround when our pool install was pushed up by a month and two days before we left for vacation. He was very professional and a pleasure to work with. We will definitely be reaching out to him for our future electric needs!"
Response time1 day
1 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Sunrise Solar
Sunrise Solar
5.0(
7
)
Fixed Generator - InstallPortable Generator - InstallGenerator - Install - For Business

Serving Henrietta, NY and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Jared was amazing with communication and the attention to detail with the installation of the electrical panel was beyond expectation. He gave us exactly what we asked for and more. I would hire him again for any future electrical projects we might have. His team was also highly skilled and talked us through everything they were doing."
Solar by the Lake
Solar by the Lake
Solar Sunrise
Electrical Panel Upgrade
Response time11 hrs
Response rate97%
12 neighbors recently requested a quote
Reliable Power Systems
4.8(
53
)
Fixed Generator - RepairGenerator - Repair - For Business

Serving Henrietta, NY and surrounding areas

In business since 2008

Free estimates

"Mike went above and beyond for me today. I need the generator for medical and respiratory equipment and Mike rearranged his schedule to get the generator running today! Very knowledgeable, and someone I immediately trusted and felt blessed by the introduction and service he provided to me and my family. I would strongly, recommend Reliable Power Systems and will certainly continue to call on them."
Recommended by100%of homeowners
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Generator Install FAQs, answered by experts

Generators are usually sized by running watts and starting watts. Ideally, you’ll want a generator that can offer both the necessary running watts and starting watts for everything you need to power without going beyond 90% of its capacity. Calculate your home’s electrical load based on the breakers in your home or adding up the appliance and lighting needs of connected rooms.

The cost to install a whole-house generator averages $5,200, with a typical price range of $1,500 to $8,900. However, total costs can vary from $400 for a small portable unit to over $18,000 for a large-capacity system. The most significant cost factor is the generator's size and capacity, but other variables include the brand, fuel type, and labor for assembly and installation.

Generator costs can be broken down by type:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500 to $2,000

  • Partial-Home Generators (9kW–20kW): $2,000 to $6,500

  • Whole-House Generators (22kW–48kW): $5,000 to $18,000

To avoid paying for more power than you need, consider hiring an electrician to calculate the electrical load for your essential appliances. It is also recommended to get at least three quotes to find the best deal for your specific needs and budget.

Setting up utilities on a vacant property usually takes at least a few months, or between 6 weeks to 16 weeks. This process requires working with the local planning and zoning department, hiring a building contractor or engineer to design the utility layout, securing permits, laying the lines, and connecting the utilities.

While diesel is relatively stable, it won’t last nearly as long as propane and you may have to replace it if it sits unused for too long. Diesel can sometimes struggle to work efficiently or start engines during especially cold weather, so it’s not the best choice for every climate. Compared to fuels like propane and natural gas, diesel generators tend to be noisier and create more exhaust, which isn’t always ideal for home use.

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. 

The Henrietta, NY homeowners’ guide to generator installs

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