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TRUSTED BY ALTAMONT, NY HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon21
    Verified generator installs reviews

Find Generator install pros in Altamont

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

Serving Altamont, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1989

Free estimates

Emergency services offered

"Wes returned our phone call & set up a consultation appointment. Followed up with a quote and explanation of costs. We set up the installation time and Wes arrived / installed bathroom fan /ran the fan to ensure satisfaction then cleaned up the work space. We would recommend S&S Electric."
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 Altamont, 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%
25 neighbors recently requested a quote
Avatar for R&D Electrical
R&D Electrical
5.0(
16
)
Fixed Generator - InstallPortable Generator - Install

Serving Altamont, NY and surrounding areas

Approved

In business since 2024

Free estimates

Offers commercial services

"Ryan and his team have done a number of jobs (both large and small) since we bought our house this April, including a panel upgrade. They are communicative throughout the process, work in a timely fashion, and don’t try to upsell."
Response time12 hrs
Response rate100%
61 neighbors recently requested a quote
Avatar for CHIEF ELECTRIC LLC
CHIEF ELECTRIC LLC
5.0(
20
)
Portable Generator - Install

Serving Altamont, NY and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Excellent job installing our 120V outdoor generator outlet! The weatherproof box is securely mounted, ran the conduit neatly, and clearly labelled for emergency use. I truly appreciate the quick turnaround time and how efficient you got everything set up and tested. Highly recommend for any fast reliable electrical work!"
CHIEF ELECTRIC LLC
24 neighbors recently requested a quote
Avatar for Troy Generator Service
Troy Generator Service
New to Angi
Fixed Generator - Repair

Serving Altamont, 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
Ambrose Electric
4.4(
57
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Altamont, NY and surrounding areas

In business since 1980

Free estimates

Emergency services offered

"I had a home generator installed. They coordinated with the propane company I had chosen, which according to the propane serviceman was not a common practice. The were totally professional and I now have peace of mind that in the event of our next power outage I will have power to run my home."
 Installed Generator
 Installed Generator
 Generator Installation
 Generator Install
Recommended by95%of homeowners
Avatar for Affordable Electric
Affordable Electric
4.6(
63
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Altamont, NY and surrounding areas

In business since 2005

Free estimates

Credit card accepted

"I got a new stove. They had to put in something for my new stove. There were things they did, they did a lot of things. Changing out light bulbs, installing lights and plugs, outlets and things like that. I keep using them, They put in the new electrical panel. They work here a lot. There are some more things that need to be done. They are who I will call."
Recommended by96%of homeowners
Avatar for Comalli Electric Inc
Comalli Electric Inc
4.4(
34
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Altamont, NY and surrounding areas

In business since 1981

Free estimates

Emergency services offered

"EXCELLENT! We needed lights installed around the outside of our house. Comalli’s electricians are very professional, neat and friendly. They will be returning for another job inside the house as well. We will be contacting Comalli for any and all future electrical work needed."
Recommended by100%of homeowners
Showing 1-10 of 36
Generator Install questions, answered by experts

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

A 1,500 square foot home will likely need a 15kW to 20kW generator. When deciding on whole-house generator size, add up the total wattage of the devices that you’d like to continue running during a power outage. That way, you can ensure you purchase a generator that can power your necessary appliances or medical equipment during an electrical emergency.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

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.

Energy output depends on turbine size, average wind speed at your site, and system efficiency. A 5 kW turbine in a good wind location can generate 8,000 to 12,000 kilowatt-hours per year, which may cover a large portion of an average home’s needs. Accurate output estimates require a professional wind assessment and a review of your household’s energy usage patterns.

The Altamont, NY homeowners’ guide to generator installs

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