In December 2025, a customer spotted a red light on their generator the day before the season's first big snowstorm. Cote Electric sent Emilio out on the day of the storm and had the unit running again. Standby generators are what this shop is built around — Generac and Kohler, serviced, diagnosed and put back to work.
The company works out of Hudson and names Manchester and Hudson as its service area; a 2019 New Hampshire Business Review item recorded Cote Electric buying an 8,709-square-foot building on Valley Street in Manchester for $635,000. One thing to sort out before you call: the Cote Electric site now says the business is moving and points visitors to Heritage, and 2026 reviews carry both names — a July 2026 customer credited Brandon's diagnosis and Heritage's scheduling in the same review. On Google the company averages 4.8 stars across 520 ratings, and Angi shows 5.0 from 43.
They move fast when a generator quits. In July 2026, a Kohler unit was reached within three hours of the service call; later that month Pharaoh came the same morning a customer phoned and diagnosed and fixed the problem; in May 2025, a 15-year-old generator that had stopped working was repaired on a next-day visit by a technician the customer found knowledgeable about Generac. Annual maintenance runs the same way — on time, inspected, explained as they go. Brandon is named in nine reviews between March and August 2026, and Troy, Nate, Jonathan and Emilio all turn up by name too; in September 2025, EmeLio Barriere handled a full home generator installation, arriving early and taking time to explain the system.
It isn't only generators. In June 2025, Duc Nguyen swapped out a bathroom ventilator/light and an outdoor fixture, and the company's site lists rewiring, panel work, lighting and electrical safety alongside generator service.
There are complaints, and they are specific. A July 2026 customer wrote that they had been told the generator they bought from the company could no longer be serviced, and asked where that left them. Another that month objected to a membership charge made despite account notes requiring prior approval, and said a red light after the service meant a technician had to come back out. In August 2026, an 8-to-12 appointment window slipped — the customer called at 12:15 to learn the technician was delayed, and he arrived much later. An August 2025 customer said a technician broke the door on their generator and the company blamed them, then blamed neighborhood children, in a 55-and-older community. And in June 2025, someone who wanted a severed 120-volt line reconnected was quoted an $89 minimum and said another person later fixed it in five minutes; they were satisfied with the electrician, not the firm.
For standby generator service around Manchester and Hudson — annual maintenance, a fast diagnosis, a new install — this is a deep bench with technicians people ask for by name. Get the price and any membership in writing before the truck rolls, ask for a confirmed arrival time rather than a four-hour window, and check which name, Cote or Heritage, is on your paperwork.
