Top-rated generator install pros.

Get matched with top generator install pros in South Windham, CT

Enter your zip and get matched with up to 5 pros

Need a pro for your generator install project in South Windham, CT?

Select your specific project to find the pro for you.

Find Generator install pros in South Windham

Avatar for TJF Electric LLC
TJF Electric LLC
5.0(
18
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install+1 more

Serving South Windham, CT and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"Tylor was quick to respond to my inquiry and very accommodating to fix my problem as soon as he could. His expertise was shown as he diagnosed the possible issue over the phone and he had it fixed in no time once he arrived. He even fixed a lesser issue for no extra charge. I found his rates exceptional, and he will always be my first call for any of my future electrical issues."
recessed lights
recessed lights
recessed lights
recessed lights
Avatar for Electric Solutions Contracting
Electric Solutions Contracting
4.3(
59
)
Fixed Generator - InstallPortable Generator - Install

Serving South Windham, CT and surrounding areas

Approved

In business since 2014

Free estimates

Offers commercial services

"This was the second job I hired ESC for, the first was a hot tub hookup, and this one wasn't a simple one: install a generator hook up that bypassed only some of my critical circuits to the generator, while leaving the rest of the house on the grid. This required a pretty complex panel with multiple switches and breakers. He did a neat and tidy job and was in and out in about 3 hours! He does the work alone, showed up on time, does a timely, high-quality job and is friendly and considerate to my needs, as a COVID-19 Locked down, WFH customer and he also worked with me on the quote, to get the number where I needed it to be. Kevin *IS* his business, meaning he does the jobs by day and the and invoicing and estimates by night. As he told me: he wants the work but, working on jobs all day doesn't leave much time for getting back to quote request and questions. I think he could do a better job of communicating that up front (why he took a slight ding on my customer service rating) but ultimately I was really glad I waited him out. In short, I'd definitely recommend ESC for your household electrical work, just be patient with his getting back to you. I will likely hire him again."
12 neighbors recently requested a quote
Recommended by84%of homeowners
Deary Electric & Renovations
4.7(
33
)
Fixed Generator - InstallFixed Generator - Repair

Serving South Windham, CT and surrounding areas

Approved

In business since 2001

Emergency services offered

Credit card accepted

"I highly recommend Deary Electric. After finding them through Home Advisor, I spoke on the phone with Josh just a few minutes later. They arrived when he said and called ahead 30 minutes before he arrived. Once here, Josh and his partner were able to quickly figure out what the problem was and fixed it shortly thereafter. Cost was more than fair; money well spent. Will definitely call them for future work."
Additional Photos
Response time5 days
Response rate100%
6 neighbors recently requested a quote
Avatar for Blue Volt Electrical Contractors LLC
Blue Volt Electrical Contractors LLC
5.0(
1
)
Portable Generator - Install

Serving South Windham, CT and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

I promise a commitment to quality workmanship, attention to detail, and customer satisfaction. Prioritizing safety and efficiency, ensuring that every project meets the highest industry standards. My team is highly trained, experienced, and dedicated to staying updated with the latest technologies and best practices.\n\nWe’ll do a great job because we genuinely care about our clients' needs, offering personalized solutions and transparent communication throughout each project. Our reliability, prompt service, and strong work ethic build trust and long-term relationships, setting us apart from the competition.

Panel Upgrade
Panel Upgrade
Panel Upgrade
Panel Upgrade
Generator Interlock

+15

29 neighbors recently requested a quote
Avatar for Stimson & Abney Electric
Stimson & Abney Electric
5.0(
1
)
Portable Generator - Install

Serving South Windham, CT and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"I had a small electrical fire on a Saturday from out dated cloth wire. These guys showed up got it fixed to where my house was safe and came back on a Sunday to get it 100 percent done rewiring my out door lights for my front door. Amazing professional work. They came back a little later and re wiring my entire house for me new panel new wires handled the permit. I can’t say enough about their work and professionalism I have no issue leaving them a key to work while I’m not home. Again amazing quality work"
3 neighbors recently requested a quote
Showing 1-10 of 46
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.

The amount of time a standby generator can run continuously is around 3,000 hours on average. However, standby generators can generally run indefinitely as long as they have a continuous fuel supply. Generators hooked up to a home’s natural gas supply are the best option for extended usage, as these won’t rely on a finite fuel supply based on how much you have in storage. Generators running on liquid propane or diesel won’t last as long, as these require fuel storage and regular refueling to stay running.

Natural gas generators are designed to run for extended periods of time, such as power outages during a natural disaster. Since there’s no limit to the supply of natural gas, they don’t need to stop for refills. However, generators do need maintenance, including pauses to check and add oil. Constantly running them will also cause a lot more wear and tear, leading to a shorter lifespan.

It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around $300 on average, while installing a new whole-house generator costs around $5,000 on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

The South Windham, CT homeowners’ guide to generator installs

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