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Generator Pro is a New Hampshire generator company. A 2024 customer wrote that a Kohler 20KW propane standby generator installed a year earlier by a different company had never run well, and that Owen found the problem in less than two minutes: timing adjustment wires that should have been removed when converting from natural gas to propane. Owen pulled the wires, did the annual maintenance and started it up, that 2024 customer wrote. The company says it sells, installs and services portable, home standby and commercial generators, including preventive and emergency service. A recent customer wrote that the company found a gas leak and a problem with the meter and had it taken care of immediately, and that the installation went smoothly. A recent Google reviewer said the delivery matched exactly what was sold on a 14k standby generator and full electric panel replacement. A 2026 customer said the company came out after a major snow storm, ran a series of tests to find why the generator was no longer running, then removed the old generator and put in a new one, with the whole process from diagnostics to full install taking less than 2 weeks. A 2026 customer who brought in a DuraMax portable generator said the company worked out the unit was faulty, worked with DuraMax to get a replacement and refunded the evaluation fee. A 2025 customer said the day after a Kohler whole-house generator was installed, a fallen tree cut the power for 3.5 hours and the system started up and worked. A 2025 buyer of a Kohler 20RCA wrote that the price was thousands less than another estimate. A 2024 customer said Doug and his crew cleaned up a partial whole-house generator installation that a different dealer had started; that 2024 customer said the job had become a nightmare lasting almost a year. In a 2021 review, a customer said Doug noticed a gas smell while checking out the house for a quote and spent a good bit of time looking for the leak. One 2024 customer gave one star and said the company damaged their Generac generator while performing warranty work, then refused to reimburse for the damage after the customer sent a quote for part replacement. That 2024 customer said the company offered to repair it, but the customer did not want service from them after the damage.
“Kyle with K.Pro Generators is great, just serviced my 22kw and was reasonably priced.”
Thank you so much for your generosity and kindness today when you stopped and helped a stranded stranger with a flat tire. You saved my day and deserve absolute best wishes!
terrific job , the overall staff was great to deal with. The delivery matched exactly what was sold, exceed my expectations on a 14k standby generator and full electric panel replacement The guys were excellent. Broad knowledge of the overall space. Smart guys.
What an amazing experience. They were so professional and found a gas leak and problem with our meter. They had it taken care of immediately. Everyone was so professional and the installation couldn’t have gone any smoother than it did. I highly recommend them.
Amazing team at Generator Pro. They came out after a major snow storm and went through a bunch of tests to determine why my generator was no longer running. After the diagnostics they gave me a few potential options on next steps. We decided to move forward with Generator Pro removing our old generator and putting in a brand new one for us. They were able to complete the entire process from diagnostics to full install in less than 2 weeks (during the middle of winter no less). I have nothing but good things to say about Generator Pro. Thanks Steve, Doug, and everybody on the Generator Pro team for helping us out!
I can't say enough about the wonderful service and great people at GenPro. My requests for services on my standby generator were handled promptly, the technicians were on time, professional and didn't
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2 changes recorded — last scanned Sep 8, 2026.
Typical your area range for this kind of work, from regional averages — not a quote from Generator Pro. 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
$530 – $1,100
Typical electrical project around $820
Practical recommendations3.1