Weather The Storm Worry Free

Weather The Storm Worry Free

We offer planned generator maintenance agreements to help keep your generator power system in great working condition in the tri state area

Planned generator maintenance is key to keeping your generator running. Don't let a year go by without having a specialist at Tri State Generator inspect your system. We'll search for potential threats then handle all the necessary generator service.

Contact our team today to schedule your generator service. We are based out of Brentwood, NH and service New Hampshire, Maine and Massachusetts.

Never Miss a Beat with a Planned Maintenance Agreement

Tri State Generators offers planned maintenance agreements for both residential and commercial customers.


Identification of needed service
Scheduled visits
Factory recommended maintenance schedules
Oil and filter change
Rental Generators
Load Banking
Transfer switch maintenance
Diesel fuel testing and polishing
Refueling during periods of extended outages
Warranty tracking for status and claims



We follow a comprehensive checklist when performing any planned maintenance to make sure your generator is in perfect working order. We also offer solutions for popular brands like Kohler, Generac, Winco, Baldor and more.

Keep your generator well-maintained throughout the year. Call now to schedule your appointment in Brentwood, Exeter, NH or the tristate area.