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Streamline Generator holds 5 stars across 152 Google ratings. It describes itself as a full-service Kohler generator dealer and installation company, and its website lists a service area that includes Marlborough, Glastonbury, Colchester, Hebron, East Haddam and Haddam. A recent customer said Michael arrived on time for the annual tune-up and also checked the breaker connections in the basement. A recent customer wrote that Mike and Alex were thorough with an install and made sure everything worked, even things not directly related to it. A recent customer hired the company for a project that combined home improvements with a standby generator install, and said its subcontractors worked with their hardscape contractor and kept everything on schedule. A recent customer whose generator was reporting the wrong date and time said Brendon was on time and made the entry into the generator's computer. A 2026 customer said Brendon and team found a gas leak at a junction point in the indoor gas piping and resolved it, after the gas provider had said the leak was resolved. A 2026 customer wrote that a leaky crank seal was repaired and reinstalled the same day, with a plan b worked out around upcoming weather. A 2025 customer with an older house said the company's electricians installed and replaced wiring for a Kohler generator and cleaned up their work area every day. A 2023 customer said they installed and maintained the generator at the house and also did wiring, outlet replacement and breaker replacement. A 2026 customer said whoever serviced their generator left the top open, rain got inside and the unit no longer operates. That 2026 customer said that when they raised it, they were told they must have left it open and would have to pay for a visit to look at it. Its Connecticut electrician licence, ELC.0192668-E1, is active under Brendon C Montstream.
“Streamline Generator Installs Automatic Generators That Can Keep The Lights on in Any Weather”
Top notch service and attention to detail. Highly recommend! Looking forward to having them back for the next annual maintenance.
Mike & Alex were very thorough with the install and made sure everything worked - even stuff not directly related to the install. I will continue to use Streamline Generator in the future
Excellent response time to resolve our problem. And excellent solution!
Been using Streamline for a while now and they ALWAYS give us fast, efficient service and on time appointments! BrNdont is great!
The team at Streamline were excellent. Very prompt, courteous and knowledgeable. What could have been complicated with other companies we considered was seamless with these guys. Great quality product also with Kohler.
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2 changes recorded — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from Streamline Generator. 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
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Fuse repair2.4