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

Serving Phelps, 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.

64 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Reid McMichael
Reid McMichael
4.8(
20
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Phelps, NY and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"This young man was a Godsend for our family. We called many electricians, but all of them were booking out for months. Reid was able to come three days after we called him. We needed him to start service at our new house. He had to dig to install conduits, put in the breaker box, fix a disconnect box and an outdoor outlet outside the house, just so we could get electricity. All of that was done very nicely and professionally. And he cleaned up when he was done. He even helped us coordinate with the electric company. Any questions we had, he answered with the utmost patience and knowledge. He was just an excellent electrician, and we were very lucky to find him. And, his price was very reasonable too. I would hire Reid anytime! In fact, we have a few more projects lined up for him. My neighbors saw the good work that he did at our house, and so they are having him do some jobs at their house too."
Response time2 days
Recommended by94%of homeowners
Avatar for T-Mark Plumbing, Heating, Cooling & Electric
T-Mark Plumbing, Heating, Cooling & Electric
4.5(
643
)
Fixed Generator - InstallFixed Generator - Repair

Serving Phelps, NY and surrounding areas

Approved

In business since 1992

Free estimates

Credit card accepted

T-Mark Plumbing, Heating, Cooling & Electric was founded over 25 years ago to provide friendly, efficient service to residents and businesses across Buffalo and Western New York. The largest family-owned and operated business in WNY that understands the challenge and frustrations that can occur with plumbing, HVAC, and electrical emergencies. Community voted the # 1 company in 716 and available 24 hours a day 7 days a week. Our day one focus has never changed: 100% customer satisfaction. We take the time, every time, to ensure our customers are left happy and satisfied with not only the quality of our work, but with the entire T-Mark experience.

Multi-Unit Install
20 neighbors recently requested a quote
Recommended by90%of homeowners
A & A Electric
4.7(
13
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Phelps, NY and surrounding areas

Approved

In business since 1972

Free estimates

Customers say: Quick response

"Anthony was very attentive to my project on an old building. He sought out a safe and viable solution to change out an old fuse box and relocate with a new breaker box. He was quick with a response to my request, inspection and quickly gave a solution with a quote. Once I accepted, he scheduled my work right away. He was also prompt on the day of installation and did the work professionally and quickly. I recommend A & A Electric and I would even recommend Anthony to my family and friends. - Pastor Jeff"
Response time5 hrs
Recommended by91%of homeowners
Avatar for Marlock Electric, Inc.
Marlock Electric, Inc.
4.1(
22
)
Fixed Generator - Install

Serving Phelps, NY and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"Marlock Electric upgraded our electric service from 100 amp to 200 amp. We were installing solar panels with our new roof, and did this upgrade along with that project. Marlock was recommended to us by the contractor installing the solar panels as a company that would do a very professional job for us - they wanted to be sure the work would be done right to connect the solar system to it. Marlock did an excellent job for us - it was somewhat complicated, but they are experts who knew how to do the work properly. They explained the whole process to us and answered all our questions in a way we could understand. They added extra crew members to make sure the work was done in one day so we wouldn't need to be without electric service overnight. The work was done in a very professional manner, and the site was cleaned up before they departed. We are very satisfied with the service we received from Marlock Electric, and will call on them for any future electrical work we need to have done."
Removing old HID Lamps
Inefficient HID Lighting
New LED Energy Efficient Lighting
Installing new LED Lighting
Installation in Progress

+61

Response time1 day
6 neighbors recently requested a quote
Recommended by100%of homeowners
Showing 1-10 of 27
Generator Install questions, answered by experts

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.

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.

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.

You may need a permit for a portable generator if you’ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.

Costs range from $500 to $2,500, depending on generator type and installation complexity.

The Phelps, NY homeowners’ guide to generator installs

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