Lennox: A Century of Heating and Cooling Innovation
A.J. LeBlanc Heating has been installing Lennox furnaces, central air conditioners, and heat pumps for over 60 years, making us one of the longest-serving Lennox dealers in the region.
Lennox HVAC Equipment
Lennox has been engineering heating and cooling equipment for more than a century. The residential lineup is designed around consistent, reliable performance with an emphasis on energy efficiency, helping homeowners enjoy steady comfort and improved indoor air quality while keeping utility costs in check. A.J. LeBlanc Heating handles new Lennox installs, scheduled maintenance, and repairs on existing systems throughout Southern New Hampshire.
Full Lennox Product Lineup
- Lennox Gas Furnaces
- Lennox Central Air Conditioners
- Lennox Heat Pumps
- Lennox High-Efficiency Variable-Speed Systems
- Indoor Air Quality Accessories
A Trusted Southern NH Lennox Installer, Family-Owned Since 1928
Longtime Lennox Dealer
One of the longest-serving Lennox dealers in the region, installing Lennox equipment across Southern New Hampshire for over 60 years.
4th Generation, Family-Owned
Same family, same values since 1928. Thousands of Southern NH homeowners have trusted us with their heating and cooling.
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 Lennox installations, routine maintenance, and repairs on existing systems. One call covers it all.
Ready for a Lennox Installation?
Call or fill out the form below. A Home Comfort Advisor will review your needs, recommend the right Lennox 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.