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TRUSTED BY UNIONVILLE, CT HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon24
    Verified generator installs reviews

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

Avatar for R A Buckley & Son Electrical Contractors, LLC
R A Buckley & Son Electrical Contractors, LLC
4.8(
49
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Unionville, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Offers commercial services

"He is extremely attentive to your needs . What he says will happen , does! He keeps all appointments and thoroughly explains what he plans to do. He is one of the most reliable, ethical , conscience businessman I have ever dealt with. I have recommended him to friends . He actually went out of his way to help Ill friends deal with their generator problems even though he had not installed it. He made arrangements for someone to fix the generator when he was not able. Highly recommended !"
Response time5 hrs
Response rate90%
Recommended by91%of homeowners
Avatar for Connoles Electric, LLC
Connoles Electric, LLC
4.8(
82
)
Portable Generator - InstallGenerator - Install - For Business

Serving Unionville, CT and surrounding areas

Approved

In business since 1984

Free estimates

Credit card accepted

"Ted and Robert arrived, got right t to it and within a few hours we had 2 ceiling fans installed, one which had no existing light so it was a more involved project. They were professional and stuck to their original quote! To say we are impressed is an understatement. We strongly recommend using Connole Electric."
3 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for OnTheGrid Electric , LLC
OnTheGrid Electric , LLC
5.0(
12
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business+1 more

Serving Unionville, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Free estimates

Credit card accepted

"I have hired OnTheGrid for multiple projects and am always satisfied with their work. Doug and Mark are honest and fair, and won't do a job the wrong way. They are my first choice in electrical contractors, and I will be reaching out to them again soon."
Standby generator automatic transfer switch with main panel
Landscape lighting
Fuse panels to be removed in multifamily house with external circuit switches (via insurance requirement)
Portable generator panel interlock
Lighting for a parking lot

+16

Response time1 day
Response rate100%
6 neighbors recently requested a quote
Avatar for MGT Electrical Services
MGT Electrical Services
5.0(
11
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Repair - For Business+1 more

Serving Unionville, CT and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"They came out in the middle of a storm and promptly hooked the generator to my panel. While I thought I’d be running extension cords to my appliances it turned out that the whole house was up and running. I wish I had done this earlier. I would recommend MGT for any electrical needs. I will surely use them again."
29 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for A.I Electric
A.I Electric
5.0(
14
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Unionville, CT and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"I highly recommend him for any electrical work! He has completed several projects at my home and has done a phenomenal job every time. He installed recessed lighting in three bedrooms and my bathrooms, as well as completed an outdoor project that required running new electrical wiring. His work is always professional, clean, and done right. He is extremely reliable, responsive, always shows up on time, and is willing to travel wherever the job is. His pricing is also very reasonable and economical for the quality of work he provides. On top of being a great electrician, he is a genuinely great person to work with. I will definitely continue using him for future projects and highly recommend him!"
Service Change
Service Change
Service Change
Service Change
Service Change

+111

81 neighbors recently requested a quote
Avatar for ESD Electric LLC
ESD Electric LLC
5.0(
13
)
Generator - Install - For BusinessPortable Generator - InstallPortable Generator - Repair

Serving Unionville, CT and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"I couldn’t be happier with the recessed lighting work done in my home! Everything came out beautifully, and the difference the lighting made is incredible. The work was done professionally, carefully, and with so much attention to detail. I highly recommend Evan to anyone looking for electrical services, he truly takes pride in his work!"
18 neighbors recently requested a quote
Avatar for Supreme Electric, LLC
Supreme Electric, LLC
4.1(
122
)
Fixed Generator - Install

Serving Unionville, CT and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"Mike checked some outlets for me and installed a new attic fan for a reasonable price. He was on time, extremely pleasant and professional. He patiently answered questions and volunteered pertinent information. I highly recommend Supreme Electric and will be using them for any future electrical work I need to have done."
BETTER BUSINESS BUREAU RATING
Recessed and pendant lighting
Home theatre wiring and lighting
Whole house generator wiring
Generator install

+49

Response time3 hrs
Response rate94%
38 neighbors recently requested a quote
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Generator Install FAQs, answered by experts

In some situations, yes. Never try to put biofuel into any home generator without checking the specifics first. If a generator has the ability to run on diesel, it can also run pure biofuel (the clear kind made from seed oils, for example). But if you are using biofuel made from animal fats or vegetable oils, the generator will need significant modifications before it can handle a sludgier type of biofuel.

While natural gas generators are costly, they’re a great option for standby power due to the reliability of natural gas as a fuel source. Unlike other fuels, natural gas is delivered through underground pipes, making outages extremely rare and less likely to be affected by the elements. As long as the area isn’t prone to earthquakes, they offer an unlimited supply of natural gas that doesn’t degrade over time or require storage in tanks.

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.

Generators run on a variety of fuel types, ranging from natural gas to solar power. Keep in mind that fuel costs varying by type:

  • Natural gas: $2,000–$21,000 per year 

  • Liquid propane: $2,000–$21,000 per year

  • Diesel: $3,000–$20,000 per year

  • Gasoline: $500–$3,000 per year

  • Solar generator: $2,000–$25,000 per unit

  • Battery backup: $10,000–$25,000 per unit

While the rating will tell you how many watts the refrigerator needs at the peak of its cycle, it requires additional wattage to start. At the bare minimum, you’ll need a 1,500-watt generator to get the fridge up and running after a blackout. A 2,000-watt generator should be sufficient for most home refrigerators.

The Unionville, CT homeowners’ guide to generator installs

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