*The Angi rating for Generator Install companies in New Haven, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
*The HomeAdvisor rating for Generator Install companies in New Haven, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
Last update on October 23, 2026
Serving New Haven, CT and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"Had a question about EV installation and they came back and changed right aaay"
Serving New Haven, CT and surrounding areas
Approved
In business since 2017
Free estimates
Credit card accepted
"Ian was able to schedule me within 24 hrs of contact. Corrected my wiring problem and installed new fixture efficiently, even fixed a noise problem with unit (range hood) Answered my many questions thoroughly. Being new to area it was a great find Would definitely recommend."
Serving New Haven, CT and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"2 months went through 3 electrians who canceled. With Trademen went from first contact to job completion in 3 days"
+10
Serving New Haven, CT and surrounding areas
Approved
In business since 1995
Free estimates
Offers commercial services
"did a good job at a very good price"
Serving New Haven, CT and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"I had a great experience with their service got exactly what I asked for. The contractor was very professional and polite. I would recommend if u want somethig done precise."
+111
Serving New Haven, CT and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
"RW Electric did a great job. They were on time, they took their shoes off before entering my home and installed the lights perfectly. Will use them again."
Serving New Haven, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"Very quick to respond, worked efficiently, but was taken back by add costs . $250 for coming to my house. $26 for Angi referral. To replace a circuit it was over $400. Too much"
+46
Serving New Haven, CT and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
Firemans Services LLC is a trusted, locally owned electrical contracting company dedicated to delivering safe, reliable, and high-quality electrical solutions. We specialize in residential and light commercial work, including service upgrades, panel replacements, generator installations, and custom electrical projects.\n\nWith a strong commitment to craftsmanship and customer satisfaction, our team takes pride in doing the job right the first time—on schedule and within budget. Whether you need a full service upgrade, backup power solutions, or everyday electrical repairs, Firemans Services LLC is your dependable choice for professional service you can count on.
Serving New Haven, CT and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"Installed the bathroom fan/light which wasn’t super easy, they had to crawl through insulation in the attic. Also changed out the broken switch on the outlet while they were there which was nice. Not terribly pricey"
Serving New Haven, CT and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"Electrical Connection did great job. They were were efficient and proficient and reasonably priced."
From average costs to expert advice, get all the answers you need to get your job done.
The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.
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