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S & S Electric of NY, LLC
5.0(
141
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Chatham, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1989

Free estimates

Emergency services offered

"Very responsive and easy to work with. High quality work, has extensive electrical experience. Also provided and installed whole house back up generator."
New 200 amp electrical service panel
Existing 100 amp electrical service meter & pa
Exiting 2 meter, 2 panel electrical service
New 2 family, 2 panel circuit breaker service
Response time1 day
2 neighbors recently requested a quote
Recommended by74%of homeowners
Evolution Power and Development
4.8(
26
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Chatham, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Offers commercial services

Customers say: Quick response

"Jesse completed the electrical work for our new above ground pool and also replaced our electrical panel. He was professional, timely and very reasonably priced. We will use him for all future electrical work at our home."
Response time9 hrs
Response rate97%
26 neighbors recently requested a quote
Avatar for Least Resistance Electrical Contracting LLC
Least Resistance Electrical Contracting LLC
5.0(
14
)
Fixed Generator - Install

Serving Chatham, NY and surrounding areas

Approved

In business since 2025

Emergency services offered

Warranties offered

"Installed a 220W plug in for my welder. Great work super nice guy! Definitely recommend. Went over everything with me, very detailed and takes pride in his work. Easy to contact and answers very quickly. Thanks Steve!"
Let There Be Light!
Sub Panel
Early Stages of Electrical Rough In.
4 Gang Switch Box
Sub Panel Service Entry

+17

6 neighbors recently requested a quote
Avatar for Andrus Power Solutions
Andrus Power Solutions
5.0(
1
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Chatham, NY and surrounding areas

Approved

In business since 1991

Free estimates

Emergency services offered

"We had a great experience with Andrus. Tony came out before our Kohler generator installation to clean up our electrical panel and did an incredibly thorough job. Everything was left clean and organized. The generator installation itself went very smoothly. The team was professional, knowledgeable and respectful of our property, and everything was explained clearly along the way. We're very happy with the finished installation and feel much better knowing we're prepared for the next outage. Would definitely recommend Andrus!"
Generator Repair
Response time6 days
Avatar for Troy Generator Service
Troy Generator Service
New to Angi
Fixed Generator - Repair

Serving Chatham, NY and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

Troy Generator Service LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business. 21 years experience.

Response time20 mins
Showing 1-10 of 31
Generator Install questions, answered by experts

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

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.

To power a central air system during a power outage, the whole-house generator will need to be at least 5,000 watts, and this number will significantly increase for larger units. Check the specific wattage requirements of your AC unit to choose the right generator size. Consider consulting a generator installer to ensure your whole-house generator meets your electrical load needs.

The average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.

Cost breakdowns by generator type are typically as follows:

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

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

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

To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.

DIY is possible for basic setups. Professional installation ensures safe and proper electrical connections.

The Chatham, NY homeowners’ guide to generator installs

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