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Generators On Demand LLC installs and services home standby generators. The company says it has been in business 15 years, describes a factory-trained team available 24/7, and lists a service area that runs from Old Lyme and Old Saybrook to Danielson, Plainville and Middlebury. It holds a 4.9-star average from 97 Google ratings and an A+ BBB grade. A recent customer said Kevin showed up on time to service a water-cooled Generac and explained what he did. On a recent call to a residential Generac, Ron explained what he was doing and why, and that customer signed up for annual maintenance immediately. A recent customer said Kevin got their generator back up and running. A 2026 customer whose generator was installed that day said Ron and his crew explained what they were doing and accommodated a request to change the location, and that the company's men worked with the electricians and plumbers to complete the job in a timely fashion. A 2026 customer described an annual maintenance call the day after a snowstorm, when Kevin showed up and said the generator needed a new battery and the service contract needed renewing. A 2026 customer said Kevin got an older generator into shape in less than an hour and discussed the cost of a battery replacement before installing it. A 2025 customer said Kevin cleaned the interior and exterior, painted the exterior gas pipe and had a battery on his truck. A 2025 customer of over 10 years said Ron was patient in helping when the monitor on an older generator showed a possible problem. A 2025 customer called the company exploitative, writing that it did work they didn't ask for and that technicians signed people up for contracts under false pretenses. A 2025 customer wrote that their generator filled the house with CO, that Generac admitted it was not installed properly, and that the installer disagreed with Generac and would not move it.
Kevin showed up on time and did a great job servicing my water cooled Generac. He explained what he did and answered my questions.
Kevin was extremely helpful getting my generator back up and running. Would recommend this service to anyone looking for generator work.
Kevin was polite, professional and efficient. Problem solved!!
Absolutely great service on my residential Generac generator. So happy I found Generators On Demand for ongoing service. Ron was great in explaining what his was doing and why. We completed the logical improvements on the spot and he left me with some good ideas for the future. Could not have been happier with the service call. Signed up for annual maintenance immediately. Thank you Ron
Rich was knowledgeable and patient when walking us through all the details of the installation and general operation.
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Service area
1 change recorded — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from Generators On Demand LLC. Use it to sanity-check bids, then get the real number in writing.
Standard receptacle swaps — a new dedicated circuit is a bigger job ($350–$750).
Flush mounts, pendants, chandeliers — hung on existing boxes.
Estimated range
$490 – $1,050
Typical electrical project around $770
Languages
Languages
Generator install with the unit explained3.2