Rinnai Tankless Water Heaters and Condensing Boilers
A.J. LeBlanc Heating installs and services Rinnai tankless water heaters and condensing boilers across Southern New Hampshire. Rinnai's tankless design heats water only on demand, which can provide continuous hot water when properly sized and reduces the standby losses of a storage tank.
Rinnai Tankless Water Heaters
Rinnai manufactures tankless water heaters and condensing boilers for residential and commercial applications. A tankless water heater heats water as it is used and avoids storing a full tank of hot water, which can reduce standby losses compared with a traditional storage tank. A.J. LeBlanc Heating handles new Rinnai installations, scheduled maintenance, and repairs throughout Southern New Hampshire.
Full Rinnai Lineup
- Rinnai Tankless Water Heaters
- Rinnai Condensing Gas Water Heaters
- Rinnai Wall-Hung Tankless Units
- Rinnai High-Efficiency Hydronic Systems
- Service, Maintenance & Repair
A Trusted Rinnai Installer, Family-Owned Since 1928
Authorized Rinnai Dealer
Our Rinnai factory training supports correct sizing, installation, startup, and service for the brand's tankless water heaters, boilers, and heat pump water heaters.
4th Generation, Family-Owned
Same family, same values since 1928. More than 30,000 Southern NH customers have trusted us with their hot water and heating.
Readers' Choice Winners
Voted Best HVAC, Best Plumber, and Best Electrician in the Union Leader Readers' Choice Awards by Southern NH homeowners year after year.
Installation, Service & Repair
We handle new Rinnai installations, routine maintenance, and repairs on existing systems.
Ready for a Rinnai Installation?
Call or fill out the form below. A Home Comfort Advisor will review your needs, recommend the right Rinnai 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.
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.