Generac Whole-Home Standby Generators
A.J. LeBlanc Heating is a Generac Certified Service Dealer installing and servicing Generac whole-home standby generators and PWRcell home battery systems throughout Southern New Hampshire. Reliable backup power for cold-weather emergencies and long-duration storms.
Generac Generators & Home Batteries
Generac is the leading name in residential backup power in North America, with millions of standby generators installed and a growing home-battery product line under the PWRcell brand. As a Generac Certified Service Dealer, A.J. LeBlanc Heating handles installation, scheduled maintenance, and warranty service throughout Southern New Hampshire. Our team is available for no-power emergencies and can size the right standby generator or battery system for your home's electrical demand.
Full Generac Lineup
- Generac Whole-Home Standby Generators
- Generac Air-Cooled Generators
- Generac Liquid-Cooled Generators
- Generac PWRcell Home Battery Systems
- Automatic Transfer Switch Installation
- Generator Maintenance & Repair
Southern NH's Trusted Generac Installer Since 1928
Generac Certified Service Dealer
Documented Generac Certified Service Dealer status means our technicians are factory-trained and authorized to handle Generac warranty service.
4th Generation, Family-Owned
Same family, same values since 1928. Thousands of Southern NH homeowners have trusted us with their backup power.
Readers' Choice Winners
Voted best HVAC, plumbing, and electrical contractor by Southern NH homeowners year after year.
Installation, Service & Repair
We handle new Generac installations, routine maintenance, and repairs on existing systems. One call covers it all.
Ready for a Generac Installation?
Call or fill out the form below. A Home Comfort Advisor will review your power needs, recommend the right Generac model, and provide a written estimate.
Get in Touch
Fill out the form and we'll get back to you. Usually the same business day. For emergencies, call us directly.
Schedule Online in 60 Seconds
Pick a date and time that works for you. Service, maintenance, or estimate visits, no phone tag.
Contact Information
Mon-Fri: 8am-4:30pm
Evenings & Weekends: Emergency Service
24/7 Emergency Service
No heat? No hot water? Call 603-623-0412 any time.