online website builder

Residential Backup Generators

Provides peace of mind during a power outage and automatically protecting what matters most to you and your family. 

  • Connection - We can connect a backup generator to your fuel supply, natural gas (NG) or liquefied petroleum gas (LP).  
  • Convenience - Backup generators can start immediately either by a push of a button or automatically. In addition to the convenience of an auto starting option and practically infinite run time, permanently connected standby systems offer power levels higher than portables.
  • Sizing - We will properly size the backup generator to efficiently supply power to your entire home, run your lights. furnace, hot water heater, refrigerator, freezer, electric range, security system, computer, TV, well pump and sump pump to maintain your lifestyle.
  • Installation - Backup generators are installed outside the home and are wired through an automatic transfer switch to the main electrical panel. Manage and monitor your backup generator over the internet, available on select products and models.
  • The Brands You Trust - Brands we carry include Cummins Onan, Generac, Honeywell, and Kohler.

Call John Donovan Directly at 603-475-4052 To Request Service!

© Copyright 2020, Donovan Plumbing & Heating  |  Site Design by PWS

Master Plumbers Licenses:  Massachusetts #11599 | New Hampshire #3298